From 8bc9f0afa7d820677f5d190a59ca900972f9aa5e Mon Sep 17 00:00:00 2001
From: Apple <opensource@apple.com>
Date: Fri, 6 Oct 2006 08:02:12 +0000
Subject: [PATCH] dyld-46.9.tar.gz
---
dyld.xcodeproj/project.pbxproj | 19 +-
src/ImageLoaderMachO.cpp | 134 ++-
src/ImageLoaderMachO.h | 1 +
src/dyld.cpp | 44 +-
src/dyldAPIs.cpp | 12 +-
src/dyldInitialization.cpp | 18 +
src/dyldStartup.s | 43 +
src/stub_binding_helper.s | 82 ++
unit-tests/run-all-unit-tests | 16 +-
unit-tests/test-cases/big-jump-table/Makefile | 60 ++
unit-tests/test-cases/big-jump-table/foo.c | 827 +++++++++++++++++
unit-tests/test-cases/big-jump-table/foo.h | 825 +++++++++++++++++
unit-tests/test-cases/big-jump-table/funcs.c | 853 ++++++++++++++++++
.../bar.c => big-jump-table/main.c} | 14 +-
.../test-cases/big-jump-table/pointers.c | 23 +
.../test-cases/bundle-memory-load-fat/main.c | 2 +-
unit-tests/test-cases/bundle-reload/Makefile | 2 +-
.../test-cases/dlclose-dylib-unload/Makefile | 44 -
.../test-cases/dlclose-dylib-unload/main.c | 162 ----
unit-tests/test-cases/dlerror-clear/Makefile | 38 -
unit-tests/test-cases/dlerror-clear/main.c | 61 --
unit-tests/test-cases/dlerror/main.c | 93 --
.../lazy-binding-reg-params/Makefile | 8 +
.../test-cases/lazy-binding-reg-params/foo.h | 2 +-
.../test-cases/lazy-binding-reg-params/main.c | 2 +-
.../Makefile | 22 +-
.../test-cases/prebased-performance/foo.c | 76 ++
.../foo.c => prebased-performance/main.c} | 16 +-
28 files changed, 3033 insertions(+), 466 deletions(-)
create mode 100644 unit-tests/test-cases/big-jump-table/Makefile
create mode 100644 unit-tests/test-cases/big-jump-table/foo.c
create mode 100644 unit-tests/test-cases/big-jump-table/foo.h
create mode 100644 unit-tests/test-cases/big-jump-table/funcs.c
rename unit-tests/test-cases/{dlclose-dylib-unload/bar.c => big-jump-table/main.c} (77%)
create mode 100644 unit-tests/test-cases/big-jump-table/pointers.c
delete mode 100644 unit-tests/test-cases/dlclose-dylib-unload/Makefile
delete mode 100644 unit-tests/test-cases/dlclose-dylib-unload/main.c
delete mode 100644 unit-tests/test-cases/dlerror-clear/Makefile
delete mode 100644 unit-tests/test-cases/dlerror-clear/main.c
delete mode 100644 unit-tests/test-cases/dlerror/main.c
rename unit-tests/test-cases/{dlerror => prebased-performance}/Makefile (66%)
create mode 100644 unit-tests/test-cases/prebased-performance/foo.c
rename unit-tests/test-cases/{dlclose-dylib-unload/foo.c => prebased-performance/main.c} (69%)
diff --git a/dyld.xcodeproj/project.pbxproj b/dyld.xcodeproj/project.pbxproj
index 8d37830..a10989e 100644
--- a/dyld.xcodeproj/project.pbxproj
+++ b/dyld.xcodeproj/project.pbxproj
@@ -433,7 +433,7 @@
PRODUCT_NAME = dyld;
STRIPFLAGS = "-S";
UNSTRIPPED_PRODUCT = NO;
- VALID_ARCHS = "ppc ppc64 i386";
+ VALID_ARCHS = "ppc ppc64 i386 x86_64";
VERSIONING_SYSTEM = "apple-generic";
WARNING_CFLAGS = (
"-Wmost",
@@ -477,7 +477,7 @@
OTHER_REZFLAGS = "";
PRODUCT_NAME = dyldapis;
SECTORDER_FLAGS = "";
- VALID_ARCHS = "ppc ppc64 i386";
+ VALID_ARCHS = "ppc ppc64 i386 x86_64";
WARNING_CFLAGS = (
"-Wmost",
"-Wno-four-char-constants",
@@ -597,6 +597,7 @@
OTHER_LDFLAGS_i386 = "-lstdc++-static -seg1addr 8fe00000 -exported_symbols_list src/dyld.exp -nostdlib /usr/local/lib/system/libc.a -lgcc_eh -lgcc -Wl,-e,__dyld_start -Wl,-dylinker -Wl,-dylinker_install_name,/usr/lib/dyld";
OTHER_LDFLAGS_ppc = "-lstdc++-static -seg1addr 8fe00000 -exported_symbols_list src/dyld.exp -nostdlib /usr/local/lib/system/libc.a -lgcc_eh -lgcc -Wl,-e,__dyld_start -Wl,-dylinker -Wl,-dylinker_install_name,/usr/lib/dyld";
OTHER_LDFLAGS_ppc64 = "-lstdc++-static -seg1addr 8fe00000 -exported_symbols_list src/dyld64.exp -nostdlib /usr/local/lib/system/libc.a -lgcc_eh -lgcc -Wl,-e,__dyld_start -Wl,-dylinker -Wl,-dylinker_install_name,/usr/lib/dyld";
+ OTHER_LDFLAGS_x86_64 = "-lstdc++-static -seg1addr 0x7fff5fc00000 -exported_symbols_list src/dyld64.exp -nostdlib /usr/local/lib/system/libc.a -lgcc_eh -lgcc -Wl,-e,__dyld_start -Wl,-dylinker -Wl,-dylinker_install_name,/usr/lib/dyld";
OTHER_REZFLAGS = "";
PER_ARCH_CFLAGS_ppc = "";
PER_ARCH_CFLAGS_ppc64 = "-msoft-float";
@@ -604,7 +605,7 @@
PRODUCT_NAME = dyld;
STRIPFLAGS = "-S";
UNSTRIPPED_PRODUCT = NO;
- VALID_ARCHS = "ppc ppc64 i386";
+ VALID_ARCHS = "ppc ppc64 i386 x86_64";
VERSIONING_SYSTEM = "apple-generic";
WARNING_CFLAGS = (
"-Wmost",
@@ -635,6 +636,7 @@
OTHER_LDFLAGS_i386 = "-lstdc++-static -seg1addr 8fe00000 -exported_symbols_list src/dyld.exp -nostdlib /usr/local/lib/system/libc.a -lgcc_eh -lgcc -Wl,-e,__dyld_start -Wl,-dylinker -Wl,-dylinker_install_name,/usr/lib/dyld";
OTHER_LDFLAGS_ppc = "-lstdc++-static -seg1addr 8fe00000 -exported_symbols_list src/dyld.exp -nostdlib /usr/local/lib/system/libc.a -lgcc_eh -lgcc -Wl,-e,__dyld_start -Wl,-dylinker -Wl,-dylinker_install_name,/usr/lib/dyld";
OTHER_LDFLAGS_ppc64 = "-lstdc++-static -seg1addr 8fe00000 -exported_symbols_list src/dyld64.exp -nostdlib /usr/local/lib/system/libc.a -lgcc_eh -lgcc -Wl,-e,__dyld_start -Wl,-dylinker -Wl,-dylinker_install_name,/usr/lib/dyld";
+ OTHER_LDFLAGS_x86_64 = "-lstdc++-static -seg1addr 0x7fff5fc00000 -exported_symbols_list src/dyld64.exp -nostdlib /usr/local/lib/system/libc.a -lgcc_eh -lgcc -Wl,-e,__dyld_start -Wl,-dylinker -Wl,-dylinker_install_name,/usr/lib/dyld";
OTHER_REZFLAGS = "";
PER_ARCH_CFLAGS_ppc = "";
PER_ARCH_CFLAGS_ppc64 = "-msoft-float";
@@ -642,7 +644,7 @@
PRODUCT_NAME = dyld;
STRIPFLAGS = "-S";
UNSTRIPPED_PRODUCT = NO;
- VALID_ARCHS = "ppc ppc64 i386";
+ VALID_ARCHS = "ppc ppc64 i386 x86_64";
VERSIONING_SYSTEM = "apple-generic";
WARNING_CFLAGS = (
"-Wmost",
@@ -672,6 +674,7 @@
OTHER_LDFLAGS_i386 = "-lstdc++-static -seg1addr 8fe00000 -exported_symbols_list src/dyld.exp -nostdlib /usr/local/lib/system/libc.a -lgcc_eh -lgcc -Wl,-e,__dyld_start -Wl,-dylinker -Wl,-dylinker_install_name,/usr/lib/dyld";
OTHER_LDFLAGS_ppc = "-lstdc++-static -seg1addr 8fe00000 -exported_symbols_list src/dyld.exp -nostdlib /usr/local/lib/system/libc.a -lgcc_eh -lgcc -Wl,-e,__dyld_start -Wl,-dylinker -Wl,-dylinker_install_name,/usr/lib/dyld";
OTHER_LDFLAGS_ppc64 = "-lstdc++-static -seg1addr 8fe00000 -exported_symbols_list src/dyld64.exp -nostdlib /usr/local/lib/system/libc.a -lgcc_eh -lgcc -Wl,-e,__dyld_start -Wl,-dylinker -Wl,-dylinker_install_name,/usr/lib/dyld";
+ OTHER_LDFLAGS_x86_64 = "-lstdc++-static -seg1addr 0x7fff5fc00000 -exported_symbols_list src/dyld64.exp -nostdlib /usr/local/lib/system/libc.a -lgcc_eh -lgcc -Wl,-e,__dyld_start -Wl,-dylinker -Wl,-dylinker_install_name,/usr/lib/dyld";
OTHER_REZFLAGS = "";
PER_ARCH_CFLAGS_ppc = "";
PER_ARCH_CFLAGS_ppc64 = "-msoft-float";
@@ -679,7 +682,7 @@
PRODUCT_NAME = dyld;
STRIPFLAGS = "-S";
UNSTRIPPED_PRODUCT = NO;
- VALID_ARCHS = "ppc ppc64 i386";
+ VALID_ARCHS = "ppc ppc64 i386 x86_64";
VERSIONING_SYSTEM = "apple-generic";
WARNING_CFLAGS = (
"-Wmost",
@@ -705,7 +708,7 @@
OTHER_REZFLAGS = "";
PRODUCT_NAME = dyldapis;
SECTORDER_FLAGS = "";
- VALID_ARCHS = "ppc ppc64 i386";
+ VALID_ARCHS = "ppc ppc64 i386 x86_64";
WARNING_CFLAGS = (
"-Wmost",
"-Wno-four-char-constants",
@@ -729,7 +732,7 @@
OTHER_REZFLAGS = "";
PRODUCT_NAME = dyldapis;
SECTORDER_FLAGS = "";
- VALID_ARCHS = "ppc ppc64 i386";
+ VALID_ARCHS = "ppc ppc64 i386 x86_64";
WARNING_CFLAGS = (
"-Wmost",
"-Wno-four-char-constants",
@@ -751,7 +754,7 @@
OTHER_REZFLAGS = "";
PRODUCT_NAME = dyldapis;
SECTORDER_FLAGS = "";
- VALID_ARCHS = "ppc ppc64 i386";
+ VALID_ARCHS = "ppc ppc64 i386 x86_64";
WARNING_CFLAGS = (
"-Wmost",
"-Wno-four-char-constants",
diff --git a/src/ImageLoaderMachO.cpp b/src/ImageLoaderMachO.cpp
index d57bbd4..ed7c645 100644
--- a/src/ImageLoaderMachO.cpp
+++ b/src/ImageLoaderMachO.cpp
@@ -34,9 +34,13 @@
#include <mach-o/reloc.h>
#include <mach-o/nlist.h>
#include <sys/sysctl.h>
+#include <libkern/OSAtomic.h>
#if __ppc__ || __ppc64__
#include <mach-o/ppc/reloc.h>
#endif
+#if __x86_64__
+ #include <mach-o/x86_64/reloc.h>
+#endif
#ifndef S_ATTR_SELF_MODIFYING_CODE
#define S_ATTR_SELF_MODIFYING_CODE 0x04000000
@@ -76,7 +80,11 @@ extern "C" void sys_icache_invalidate(void *, size_t);
struct macho_routines_command : public routines_command {};
#endif
+#if __x86_64__
+ #define POINTER_RELOC X86_64_RELOC_UNSIGNED
+#else
#define POINTER_RELOC GENERIC_RELOC_VANILLA
+#endif
uint32_t ImageLoaderMachO::fgHintedBinaryTreeSearchs = 0;
uint32_t ImageLoaderMachO::fgUnhintedBinaryTreeSearchs = 0;
@@ -1120,6 +1128,9 @@ void* ImageLoaderMachO::getMain() const
#elif __i386__
const i386_thread_state_t* registers = (i386_thread_state_t*)(((char*)cmd) + 16);
return (void*)registers->eip;
+ #elif __x86_64__
+ const x86_thread_state64_t* registers = (x86_thread_state64_t*)(((char*)cmd) + 16);
+ return (void*)registers->rip;
#else
#warning need processor specific code
#endif
@@ -1208,6 +1219,10 @@ uintptr_t ImageLoaderMachO::getFirstWritableSegmentAddress()
uintptr_t ImageLoaderMachO::getRelocBase()
{
+#if __x86_64__
+ // r_address is offset from first writable segment
+ return getFirstWritableSegmentAddress();
+#endif
#if __ppc__ || __i386__
if ( fIsSplitSeg ) {
// in split segment libraries r_address is offset from first writable segment
@@ -1246,14 +1261,40 @@ static inline void otherRelocsPPC(uintptr_t* locationToFix, uint8_t relocationTy
}
#endif
+#if __ppc__ || __i386__
+void ImageLoaderMachO::resetPreboundLazyPointers(const LinkContext& context, uintptr_t relocBase)
+{
+ // loop through all local (internal) relocation records looking for pre-bound-lazy-pointer values
+ register const uintptr_t slide = this->fSlide;
+ const relocation_info* const relocsStart = (struct relocation_info*)(&fLinkEditBase[fDynamicInfo->locreloff]);
+ const relocation_info* const relocsEnd = &relocsStart[fDynamicInfo->nlocrel];
+ for (const relocation_info* reloc=relocsStart; reloc < relocsEnd; ++reloc) {
+ if ( (reloc->r_address & R_SCATTERED) != 0 ) {
+ const struct scattered_relocation_info* sreloc = (struct scattered_relocation_info*)reloc;
+ if (sreloc->r_length == RELOC_SIZE) {
+ uintptr_t* locationToFix = (uintptr_t*)(sreloc->r_address + relocBase);
+ switch(sreloc->r_type) {
+ #if __ppc__
+ case PPC_RELOC_PB_LA_PTR:
+ *locationToFix = sreloc->r_value + slide;
+ break;
+ #endif
+ #if __i386__
+ case GENERIC_RELOC_PB_LA_PTR:
+ *locationToFix = sreloc->r_value + slide;
+ break;
+ #endif
+ }
+ }
+ }
+ }
+}
+#endif
+
void ImageLoaderMachO::doRebase(const LinkContext& context)
{
// if prebound and loaded at prebound address, then no need to rebase
- // Note: you might think that the check for allDependentLibrariesAsWhenPreBound() is not needed
- // but it is. If a dependent library changed, this image's lazy pointers into that library
- // need to be updated (reset back to lazy binding handler). That work is done most easily
- // here because there is a PPC_RELOC_PB_LA_PTR reloc record for each lazy pointer.
- if ( this->usablePrebinding(context) && this->usesTwoLevelNameSpace() ) {
+ if ( this->usablePrebinding(context) ) {
// skip rebasing cause prebound and prebinding not disabled
++fgImagesWithUsedPrebinding; // bump totals for statistics
return;
@@ -1278,18 +1319,40 @@ void ImageLoaderMachO::doRebase(const LinkContext& context)
}
}
+ // cache values that are used in the following loop
+ const uintptr_t relocBase = this->getRelocBase();
+ register const uintptr_t slide = this->fSlide;
+
+#if __ppc__ || __i386__
+ // if prebound and we got here, then prebinding is not valid, so reset all lazy pointers
+ if ( this->isPrebindable() )
+ this->resetPreboundLazyPointers(context, relocBase);
+#endif
+
+ // if loaded at preferred address, no rebasing necessary
+ if ( slide == 0 )
+ return;
+
// if there are __TEXT fixups, temporarily make __TEXT writable
if ( fTextSegmentWithFixups != NULL )
fTextSegmentWithFixups->tempWritable();
- // cache this value that is used in the following loop
- register const uintptr_t slide = this->fSlide;
-
// loop through all local (internal) relocation records
- const uintptr_t relocBase = this->getRelocBase();
const relocation_info* const relocsStart = (struct relocation_info*)(&fLinkEditBase[fDynamicInfo->locreloff]);
const relocation_info* const relocsEnd = &relocsStart[fDynamicInfo->nlocrel];
for (const relocation_info* reloc=relocsStart; reloc < relocsEnd; ++reloc) {
+ #if __x86_64__
+ // only one kind of local relocation supported for x86_64
+ if ( reloc->r_length != 3 )
+ throw "bad local relocation length";
+ if ( reloc->r_type != X86_64_RELOC_UNSIGNED )
+ throw "unknown local relocation type";
+ if ( reloc->r_pcrel != 0 )
+ throw "bad local relocation pc_rel";
+ if ( reloc->r_extern != 0 )
+ throw "extern relocation found with local relocations";
+ *((uintptr_t*)(reloc->r_address + relocBase)) += slide;
+ #endif
#if __ppc__ || __ppc64__ || __i386__
if ( (reloc->r_address & R_SCATTERED) == 0 ) {
if ( reloc->r_symbolnum == R_ABS ) {
@@ -1325,12 +1388,6 @@ void ImageLoaderMachO::doRebase(const LinkContext& context)
case GENERIC_RELOC_VANILLA:
*locationToFix += slide;
break;
- #if __ppc__ || __ppc64__
- case PPC_RELOC_PB_LA_PTR:
- // should only see these in prebound images, and we got here so prebinding is being ignored
- *locationToFix = sreloc->r_value + slide;
- break;
- #endif
#if __ppc__
case PPC_RELOC_HI16:
case PPC_RELOC_LO16:
@@ -1340,10 +1397,14 @@ void ImageLoaderMachO::doRebase(const LinkContext& context)
otherRelocsPPC(locationToFix, sreloc->r_type, reloc->r_address, slide);
break;
#endif
+ #if __ppc__ || __ppc64__
+ case PPC_RELOC_PB_LA_PTR:
+ // do nothing
+ break;
+ #endif
#if __i386__
case GENERIC_RELOC_PB_LA_PTR:
- // should only see these in prebound images, and we got here so prebinding is being ignored
- *locationToFix = sreloc->r_value + slide;
+ // do nothing
break;
#endif
default:
@@ -1354,7 +1415,7 @@ void ImageLoaderMachO::doRebase(const LinkContext& context)
throw "bad local scattered relocation length";
}
}
- #endif
+ #endif
}
// if there were __TEXT fixups, restore write protection
@@ -1973,14 +2034,35 @@ uintptr_t ImageLoaderMachO::bindIndirectSymbol(uintptr_t* ptrToBind, const struc
#if __i386__
// i386 has special self-modifying stubs that change from "CALL rel32" to "JMP rel32"
if ( ((sect->flags & SECTION_TYPE) == S_SYMBOL_STUBS) && ((sect->flags & S_ATTR_SELF_MODIFYING_CODE) != 0) && (sect->reserved2 == 5) ) {
- uint8_t* const jmpTableEntryToPatch = (uint8_t*)ptrToBind;
uint32_t rel32 = targetAddr - (((uint32_t)ptrToBind)+5);
- //fprintf(stderr, "rewriting stub at %p\n", jmpTableEntryToPatch);
- jmpTableEntryToPatch[0] = 0xE9; // JMP rel32
- jmpTableEntryToPatch[1] = rel32 & 0xFF;
- jmpTableEntryToPatch[2] = (rel32 >> 8) & 0xFF;
- jmpTableEntryToPatch[3] = (rel32 >> 16) & 0xFF;
- jmpTableEntryToPatch[4] = (rel32 >> 24) & 0xFF;
+ // re-write instruction in a thread-safe manner
+ // use 8-byte compare-and-swap to alter 5-byte jump table entries
+ // loop is required in case the extra three bytes that cover the next entry are altered by another thread
+ bool done = false;
+ while ( !done ) {
+ volatile int64_t* jumpPtr = (int64_t*)ptrToBind;
+ int pad = 0;
+ // By default the three extra bytes swapped follow the 5-byte JMP.
+ // But, if the 5-byte jump is up against the end of the __IMPORT segment
+ // We don't want to access bytes off the end of the segment, so we shift
+ // the extra bytes to precede the 5-byte JMP.
+ if ( (((uint32_t)ptrToBind + 8) & 0x00000FFC) == 0x00000000 ) {
+ jumpPtr = (int64_t*)((uint32_t)ptrToBind - 3);
+ pad = 3;
+ }
+ int64_t oldEntry = *jumpPtr;
+ union {
+ int64_t int64;
+ uint8_t bytes[8];
+ } newEntry;
+ newEntry.int64 = oldEntry;
+ newEntry.bytes[pad+0] = 0xE9; // JMP rel32
+ newEntry.bytes[pad+1] = rel32 & 0xFF;
+ newEntry.bytes[pad+2] = (rel32 >> 8) & 0xFF;
+ newEntry.bytes[pad+3] = (rel32 >> 16) & 0xFF;
+ newEntry.bytes[pad+4] = (rel32 >> 24) & 0xFF;
+ done = OSAtomicCompareAndSwap64Barrier(oldEntry, newEntry.int64, (int64_t*)jumpPtr);
+ }
}
else
#endif
@@ -2530,7 +2612,7 @@ void ImageLoaderMachO::applyPrebindingToLinkEdit(const LinkContext& context, uin
switch(sreloc->r_type) {
#if __ppc__ || __ppc64__
case PPC_RELOC_PB_LA_PTR:
- #elif __i386__
+ #elif __i386__ || __x86_64__
case GENERIC_RELOC_PB_LA_PTR:
#else
#error unknown architecture
diff --git a/src/ImageLoaderMachO.h b/src/ImageLoaderMachO.h
index 3c3fe1e..4e33955 100644
--- a/src/ImageLoaderMachO.h
+++ b/src/ImageLoaderMachO.h
@@ -113,6 +113,7 @@ private:
uintptr_t resolveUndefined(const LinkContext& context, const struct macho_nlist* symbol, bool twoLevel, ImageLoader **foundIn);
uintptr_t getRelocBase();
uintptr_t getFirstWritableSegmentAddress();
+ void resetPreboundLazyPointers(const LinkContext& context, uintptr_t relocBase);
void doImageInit(const LinkContext& context);
void doModInitFunctions(const LinkContext& context);
void setupLazyPointerHandler(const LinkContext& context);
diff --git a/src/dyld.cpp b/src/dyld.cpp
index 2f1be41..3fc6ac5 100644
--- a/src/dyld.cpp
+++ b/src/dyld.cpp
@@ -1054,6 +1054,15 @@ static bool fatFindRunsOnAllCPUs(cpu_type_t cpu, const fat_header* fh, uint64_t*
return true;
}
break;
+#ifdef CPU_TYPE_X86_64
+ case CPU_TYPE_X86_64:
+ if ( (cpu_subtype_t)OSSwapBigToHostInt32(archs[i].cpusubtype) == CPU_SUBTYPE_X86_64_ALL ) {
+ *offset = OSSwapBigToHostInt32(archs[i].offset);
+ *len = OSSwapBigToHostInt32(archs[i].size);
+ return true;
+ }
+ break;
+#endif
}
}
}
@@ -1133,6 +1142,12 @@ bool isCompatibleMachO(const uint8_t* firstPage)
if ( mh->cpusubtype == CPU_SUBTYPE_I386_ALL )
return true;
break;
+#ifdef CPU_TYPE_X86_64
+ case CPU_TYPE_X86_64:
+ if ( mh->cpusubtype == CPU_SUBTYPE_X86_64_ALL )
+ return true;
+ break;
+#endif
}
}
}
@@ -1694,7 +1709,7 @@ void halt(const char* message)
#if __ppc__ || __ppc64__
__asm__ ("trap");
-#elif __i386__
+#elif __i386__ || __x86_64__
__asm__ ("int3");
#else
#error unknown architecture
@@ -1906,21 +1921,16 @@ static void setContext(int argc, const char* argv[], const char* envp[], const c
gLinkContext.apple = apple;
}
-static bool checkEmulation()
+static bool isRosetta()
{
-#if __i386__
int mib[] = { CTL_KERN, KERN_CLASSIC, getpid() };
int is_classic = 0;
size_t len = sizeof(int);
int ret = sysctl(mib, 3, &is_classic, &len, NULL, 0);
if ((ret != -1) && is_classic) {
- // When a 32-bit ppc program is run under emulation on an Intel processor,
- // we want any i386 dylibs (e.g. the emulator) to not load in the shared region
- // because the shared region is being used by ppc dylibs
- gLinkContext.sharedRegionMode = ImageLoader::kDontUseSharedRegion;
+ // we're running under Rosetta
return true;
}
-#endif
return false;
}
@@ -1982,13 +1992,20 @@ _main(const struct mach_header* mainExecutableMH, int argc, const char* argv[],
// set pthread keys to dyld range
__pthread_tsd_first = 1;
- bool isEmulated = checkEmulation();
// Pickup the pointer to the exec path.
sExecPath = apple[0];
- if (isEmulated) {
- // under Rosetta
+ bool ignoreEnvironmentVariables = false;
+#if __i386__
+ if ( isRosetta() ) {
+ // under Rosetta (x86 side)
+ // When a 32-bit ppc program is run under emulation on an Intel processor,
+ // we want any i386 dylibs (e.g. any used by Rosetta) to not load in the shared region
+ // because the shared region is being used by ppc dylibs
+ gLinkContext.sharedRegionMode = ImageLoader::kDontUseSharedRegion;
sExecPath = strdup(apple[0] + strlen(apple[0]) + 1);
+ ignoreEnvironmentVariables = true;
}
+#endif
if ( sExecPath[0] != '/' ) {
// have relative path, use cwd to make absolute
char cwdbuff[MAXPATHLEN];
@@ -2006,7 +2023,7 @@ _main(const struct mach_header* mainExecutableMH, int argc, const char* argv[],
if ( issetugid() )
pruneEnvironmentVariables(envp, &apple);
else
- checkEnvironmentVariables(envp, isEmulated);
+ checkEnvironmentVariables(envp, ignoreEnvironmentVariables);
if ( sEnv.DYLD_PRINT_OPTS )
printOptions(argv);
if ( sEnv.DYLD_PRINT_ENV )
@@ -2064,8 +2081,9 @@ _main(const struct mach_header* mainExecutableMH, int argc, const char* argv[],
fprintf(stderr, "dyld: launch failed\n");
}
+
// Link in any inserted libraries.
- // Do this after link main executable so any extra libraries pulled in by inserted libraries are at end of flat namespace
+ // Do this after linking main executable so any extra libraries pulled in by inserted libraries are at end of flat namespace
if ( insertLibrariesCount > 0 ) {
for (int i=0; i < insertLibrariesCount; ++i) {
try {
diff --git a/src/dyldAPIs.cpp b/src/dyldAPIs.cpp
index 584ca60..64cfb89 100644
--- a/src/dyldAPIs.cpp
+++ b/src/dyldAPIs.cpp
@@ -401,12 +401,11 @@ const struct mach_header* _dyld_get_image_header(uint32_t image_index)
static __attribute__((noinline))
-const struct mach_header* addImage(const char* path, bool search, bool dontLoad, bool matchInstallName, bool abortOnError)
+const struct mach_header* addImage(void* callerAddress, const char* path, bool search, bool dontLoad, bool matchInstallName, bool abortOnError)
{
ImageLoader* image = NULL;
try {
dyld::clearErrorMessage();
- void* callerAddress = __builtin_return_address(2); // note layers: 2: real client, 1: libSystem glue, 0: dyld API
ImageLoader* callerImage = dyld::findImageContainingAddress(callerAddress);
dyld::LoadContext context;
context.useSearchPaths = search;
@@ -448,21 +447,24 @@ const struct mach_header* NSAddImage(const char* path, uint32_t options)
const bool search = ( (options & NSADDIMAGE_OPTION_WITH_SEARCHING) != 0 );
const bool matchInstallName = ( (options & NSADDIMAGE_OPTION_MATCH_FILENAME_BY_INSTALLNAME) != 0 );
const bool abortOnError = ( (options & NSADDIMAGE_OPTION_RETURN_ON_ERROR) == 0 );
- return addImage(path, search, dontLoad, matchInstallName, abortOnError);
+ void* callerAddress = __builtin_return_address(1); // note layers: 1: real client, 0: libSystem glue
+ return addImage(callerAddress, path, search, dontLoad, matchInstallName, abortOnError);
}
bool NSAddLibrary(const char* path)
{
if ( dyld::gLogAPIs )
fprintf(stderr, "%s(\"%s\")\n", __func__, path);
- return (addImage(path, false, false, false, false) != NULL);
+ void* callerAddress = __builtin_return_address(1); // note layers: 1: real client, 0: libSystem glue
+ return (addImage(callerAddress, path, false, false, false, false) != NULL);
}
bool NSAddLibraryWithSearching(const char* path)
{
if ( dyld::gLogAPIs )
fprintf(stderr, "%s(\"%s\")\n", __func__, path);
- return (addImage(path, true, false, false, false) != NULL);
+ void* callerAddress = __builtin_return_address(1); // note layers: 1: real client, 0: libSystem glue
+ return (addImage(callerAddress, path, true, false, false, false) != NULL);
}
diff --git a/src/dyldInitialization.cpp b/src/dyldInitialization.cpp
index 88f5270..a4e8cc3 100644
--- a/src/dyldInitialization.cpp
+++ b/src/dyldInitialization.cpp
@@ -31,6 +31,9 @@
#if __ppc__ || __ppc64__
#include <mach-o/ppc/reloc.h>
#endif
+#if __x86_64__
+ #include <mach-o/x86_64/reloc.h>
+#endif
#include "dyld.h"
#if __LP64__
@@ -47,7 +50,11 @@
#define RELOC_SIZE 2
#endif
+#if __x86_64__
+ #define POINTER_RELOC X86_64_RELOC_UNSIGNED
+#else
#define POINTER_RELOC GENERIC_RELOC_VANILLA
+#endif
//
// Code to bootstrap dyld into a runnable state
@@ -107,6 +114,9 @@ static void rebaseDyld(const struct macho_header* mh, intptr_t slide)
const struct load_command* const cmds = (struct load_command*)(((char*)mh)+sizeof(macho_header));
const struct load_command* cmd = cmds;
const struct macho_segment_command* linkEditSeg = NULL;
+#if __x86_64__
+ const struct macho_segment_command* firstWritableSeg = NULL;
+#endif
const struct dysymtab_command* dynamicSymbolTable = NULL;
for (uint32_t i = 0; i < cmd_count; ++i) {
switch (cmd->cmd) {
@@ -128,6 +138,10 @@ static void rebaseDyld(const struct macho_header* mh, intptr_t slide)
}
}
}
+#if __x86_64__
+ if ( (firstWritableSeg == NULL) && (seg->initprot & VM_PROT_WRITE) )
+ firstWritableSeg = seg;
+#endif
}
break;
case LC_DYSYMTAB:
@@ -138,7 +152,11 @@ static void rebaseDyld(const struct macho_header* mh, intptr_t slide)
}
// use reloc's to rebase all random data pointers
+#if __x86_64__
+ const uintptr_t relocBase = firstWritableSeg->vmaddr + slide;
+#else
const uintptr_t relocBase = (uintptr_t)mh;
+#endif
const relocation_info* const relocsStart = (struct relocation_info*)(linkEditSeg->vmaddr + slide + dynamicSymbolTable->locreloff - linkEditSeg->fileoff);
const relocation_info* const relocsEnd = &relocsStart[dynamicSymbolTable->nlocrel];
for (const relocation_info* reloc=relocsStart; reloc < relocsEnd; ++reloc) {
diff --git a/src/dyldStartup.s b/src/dyldStartup.s
index 6496a68..6601cab 100644
--- a/src/dyldStartup.s
+++ b/src/dyldStartup.s
@@ -123,6 +123,49 @@ L_end:
#endif /* __i386__ */
+#if __x86_64__
+ .data
+ .align 3
+__dyld_start_static:
+ .quad __dyld_start
+
+# stable entry points into dyld
+ .text
+ .align 2
+ .globl _stub_binding_helper
+_stub_binding_helper:
+ jmp _stub_binding_helper_interface
+ nop
+ nop
+ nop
+ .globl _dyld_func_lookup
+_dyld_func_lookup:
+ jmp __Z18lookupDyldFunctionPKcPm
+
+ .text
+ .align 2,0x90
+ .globl __dyld_start
+__dyld_start:
+ pushq $0 # push a zero for debugger end of frames marker
+ movq %rsp,%rbp # pointer to base of kernel frame
+ andq $-16,%rsp # force SSE alignment
+
+ # call dyldbootstrap::start(app_mh, argc, argv, slide)
+ movq 8(%rbp),%rdi # param1 = mh into %rdi
+ movl 16(%rbp),%esi # param2 = argc into %esi
+ leaq 24(%rbp),%rdx # param3 = &argv[0] into %rdx
+ movq __dyld_start_static(%rip), %r8
+ leaq __dyld_start(%rip), %rcx
+ subq %r8, %rcx # param4 = slide into %rcx
+ call __ZN13dyldbootstrap5startEPK11mach_headeriPPKcl
+
+ # clean up stack and jump to result
+ movq %rbp,%rsp # restore the unaligned stack pointer
+ addq $16,%rsp # remove the mh argument, and debugger end frame marker
+ movq $0,%rbp # restore ebp back to zero
+ jmp *%rax # jump to the entry point
+
+#endif /* __x86_64__ */
#if __ppc__ || __ppc64__
#include <architecture/ppc/mode_independent_asm.h>
diff --git a/src/stub_binding_helper.s b/src/stub_binding_helper.s
index 89ed0dc..4b13088 100644
--- a/src/stub_binding_helper.s
+++ b/src/stub_binding_helper.s
@@ -93,6 +93,88 @@ _stub_binding_helper_interface:
+#if __x86_64__
+/*
+ * This is the interface for the stub_binding_helper for x86_64:
+ * The caller has pushed the address of the a lazy pointer to be filled in with
+ * the value for the defined symbol and pushed the address of the the mach
+ * header this pointer comes from.
+ *
+ * sp+4 address of lazy pointer
+ * sp+0 address of mach header
+ *
+ * All parameters registers must be preserved.
+ *
+ * After the symbol has been resolved and the pointer filled in this is to pop
+ * these arguments off the stack and jump to the address of the defined symbol.
+ */
+#define MH_PARAM_BP 8
+#define LP_PARAM_BP 16
+
+#define RDI_SAVE 0
+#define RSI_SAVE 8
+#define RDX_SAVE 16
+#define RCX_SAVE 24
+#define R8_SAVE 32
+#define R9_SAVE 40
+#define RAX_SAVE 48
+#define XMMM0_SAVE 64 /* 16-byte align */
+#define XMMM1_SAVE 80
+#define XMMM2_SAVE 96
+#define XMMM3_SAVE 112
+#define XMMM4_SAVE 128
+#define XMMM5_SAVE 144
+#define XMMM6_SAVE 160
+#define XMMM7_SAVE 176
+#define STACK_SIZE 192 /* (XMMM7_SAVE+16) must be 16 byte aligned too */
+
+ .text
+ .align 2,0x90
+ .globl _stub_binding_helper_interface
+_stub_binding_helper_interface:
+ pushq %rbp
+ movq %rsp,%rbp
+ subq $STACK_SIZE,%rsp # at this point stack is 16-byte aligned because two meta-parameters where pushed
+ movq %rdi,RDI_SAVE(%rsp) # save registers that might be used as parameters
+ movq %rsi,RSI_SAVE(%rsp)
+ movq %rdx,RDX_SAVE(%rsp)
+ movq %rcx,RCX_SAVE(%rsp)
+ movq %r8,R8_SAVE(%rsp)
+ movq %r9,R9_SAVE(%rsp)
+ movq %rax,RAX_SAVE(%rsp)
+ movdqa %xmm0,XMMM0_SAVE(%rsp)
+ movdqa %xmm1,XMMM1_SAVE(%rsp)
+ movdqa %xmm2,XMMM2_SAVE(%rsp)
+ movdqa %xmm3,XMMM3_SAVE(%rsp)
+ movdqa %xmm4,XMMM4_SAVE(%rsp)
+ movdqa %xmm5,XMMM5_SAVE(%rsp)
+ movdqa %xmm6,XMMM6_SAVE(%rsp)
+ movdqa %xmm7,XMMM7_SAVE(%rsp)
+ movq MH_PARAM_BP(%rbp),%rdi # call dyld::bindLazySymbol(mh, lazy_ptr)
+ movq LP_PARAM_BP(%rbp),%rsi
+ call __ZN4dyld14bindLazySymbolEPK11mach_headerPm
+ movq %rax,%r11 # save target
+ movdqa XMMM0_SAVE(%rsp),%xmm0 # restore registers
+ movdqa XMMM1_SAVE(%rsp),%xmm1
+ movdqa XMMM2_SAVE(%rsp),%xmm2
+ movdqa XMMM3_SAVE(%rsp),%xmm3
+ movdqa XMMM4_SAVE(%rsp),%xmm4
+ movdqa XMMM5_SAVE(%rsp),%xmm5
+ movdqa XMMM6_SAVE(%rsp),%xmm6
+ movdqa XMMM7_SAVE(%rsp),%xmm7
+ movq RDI_SAVE(%rsp),%rdi
+ movq RSI_SAVE(%rsp),%rsi
+ movq RDX_SAVE(%rsp),%rdx
+ movq RCX_SAVE(%rsp),%rcx
+ movq R8_SAVE(%rsp),%r8
+ movq R9_SAVE(%rsp),%r9
+ movq RAX_SAVE(%rsp),%rax
+ addq $STACK_SIZE,%rsp
+ popq %rbp
+ addq $16,%rsp # remove meta-parameters
+ jmp *%r11 # jmp to target
+
+#endif
#if __ppc__ || __ppc64__
#include <architecture/ppc/mode_independent_asm.h>
diff --git a/unit-tests/run-all-unit-tests b/unit-tests/run-all-unit-tests
index 38f8960..ef857d1 100755
--- a/unit-tests/run-all-unit-tests
+++ b/unit-tests/run-all-unit-tests
@@ -26,7 +26,7 @@ then
fi
# if Intel, then also run all test cases under emulation
-if [ `machine` = "pentium4" ]
+if [ `sysctl -n hw.machine` = "i386" ]
then
echo ""
echo " * * * Running all unit tests for emulated 32-bits * * *"
@@ -34,7 +34,19 @@ then
# make clean
../bin/make-recursive.pl clean > /dev/null
- # build 64-bit architecture
+ # build ppc architecture
../bin/make-recursive.pl ARCH="-arch ppc" | ../bin/result-filter.pl
fi
+# if 64-bit capable Intel, then also run all test cases for 64-bits
+if [ `sysctl -n hw.optional.x86_64` = "1" ]
+then
+ echo ""
+ echo " * * * Running all unit tests for 64-bits * * *"
+
+ # make clean
+ ../bin/make-recursive.pl clean > /dev/null
+
+ # build x86_64 architecture
+ ../bin/make-recursive.pl ARCH="-arch x86_64" | ../bin/result-filter.pl
+fi
diff --git a/unit-tests/test-cases/big-jump-table/Makefile b/unit-tests/test-cases/big-jump-table/Makefile
new file mode 100644
index 0000000..0fe015b
--- /dev/null
+++ b/unit-tests/test-cases/big-jump-table/Makefile
@@ -0,0 +1,60 @@
+##
+# Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
+#
+# @APPLE_LICENSE_HEADER_START@
+#
+# This file contains Original Code and/or Modifications of Original Code
+# as defined in and that are subject to the Apple Public Source License
+# Version 2.0 (the 'License'). You may not use this file except in
+# compliance with the License. Please obtain a copy of the License at
+# http://www.opensource.apple.com/apsl/ and read it before using this
+# file.
+#
+# The Original Code and all software distributed under the License are
+# distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+# EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+# INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+# Please see the License for the specific language governing rights and
+# limitations under the License.
+#
+# @APPLE_LICENSE_HEADER_END@
+##
+TESTROOT = ../..
+include ${TESTROOT}/include/common.makefile
+
+run: all
+ ./main
+
+all: main
+
+###
+### The point of this test is to check an edge case for i386 architecture
+### with "fast stubs". We want to verify that a fast stub that ends
+### near the page boundary for the __IMPORT segment does not cause an
+### accidental read beyou the __IMPORT segment
+### rdar://problem/4653725
+###
+
+main: main.c libtest1.dylib libtest2.dylib libtest3.dylib libtest4.dylib
+ ${CC} ${CCFLAGS} -I${TESTROOT}/include -o main main.c libtest1.dylib libtest2.dylib libtest3.dylib libtest4.dylib
+
+libtest1.dylib: pointers.c funcs.c libfoo.dylib
+ ${CC} ${CCFLAGS} -dynamiclib pointers.c funcs.c -DCASE=1 -o libtest1.dylib libfoo.dylib
+
+libtest2.dylib: pointers.c funcs.c libfoo.dylib
+ ${CC} ${CCFLAGS} -dynamiclib pointers.c funcs.c -DCASE=2 -o libtest2.dylib libfoo.dylib
+
+libtest3.dylib: pointers.c funcs.c libfoo.dylib
+ ${CC} ${CCFLAGS} -dynamiclib pointers.c funcs.c -DCASE=3 -o libtest3.dylib libfoo.dylib
+
+libtest4.dylib: pointers.c funcs.c libfoo.dylib
+ ${CC} ${CCFLAGS} -dynamiclib pointers.c funcs.c -DCASE=4 -o libtest4.dylib libfoo.dylib
+
+libfoo.dylib: foo.c
+ ${CC} ${CCFLAGS} -dynamiclib foo.c -o libfoo.dylib
+
+
+clean:
+ ${RM} ${RMFLAGS} *~ main libtest1.dylib libtest2.dylib libtest3.dylib libtest4.dylib libfoo.dylib
+
diff --git a/unit-tests/test-cases/big-jump-table/foo.c b/unit-tests/test-cases/big-jump-table/foo.c
new file mode 100644
index 0000000..c1a6c6c
--- /dev/null
+++ b/unit-tests/test-cases/big-jump-table/foo.c
@@ -0,0 +1,827 @@
+#include "foo.h"
+
+void foo000() {}
+void foo001() {}
+void foo002() {}
+void foo003() {}
+void foo004() {}
+void foo005() {}
+void foo006() {}
+void foo007() {}
+void foo008() {}
+void foo009() {}
+void foo010() {}
+void foo011() {}
+void foo012() {}
+void foo013() {}
+void foo014() {}
+void foo015() {}
+void foo016() {}
+void foo017() {}
+void foo018() {}
+void foo019() {}
+void foo020() {}
+void foo021() {}
+void foo022() {}
+void foo023() {}
+void foo024() {}
+void foo025() {}
+void foo026() {}
+void foo027() {}
+void foo028() {}
+void foo029() {}
+void foo030() {}
+void foo031() {}
+void foo032() {}
+void foo033() {}
+void foo034() {}
+void foo035() {}
+void foo036() {}
+void foo037() {}
+void foo038() {}
+void foo039() {}
+void foo040() {}
+void foo041() {}
+void foo042() {}
+void foo043() {}
+void foo044() {}
+void foo045() {}
+void foo046() {}
+void foo047() {}
+void foo048() {}
+void foo049() {}
+void foo050() {}
+void foo051() {}
+void foo052() {}
+void foo053() {}
+void foo054() {}
+void foo055() {}
+void foo056() {}
+void foo057() {}
+void foo058() {}
+void foo059() {}
+void foo060() {}
+void foo061() {}
+void foo062() {}
+void foo063() {}
+void foo064() {}
+void foo065() {}
+void foo066() {}
+void foo067() {}
+void foo068() {}
+void foo069() {}
+void foo070() {}
+void foo071() {}
+void foo072() {}
+void foo073() {}
+void foo074() {}
+void foo075() {}
+void foo076() {}
+void foo077() {}
+void foo078() {}
+void foo079() {}
+void foo080() {}
+void foo081() {}
+void foo082() {}
+void foo083() {}
+void foo084() {}
+void foo085() {}
+void foo086() {}
+void foo087() {}
+void foo088() {}
+void foo089() {}
+void foo090() {}
+void foo091() {}
+void foo092() {}
+void foo093() {}
+void foo094() {}
+void foo095() {}
+void foo096() {}
+void foo097() {}
+void foo098() {}
+void foo099() {}
+void foo100() {}
+void foo101() {}
+void foo102() {}
+void foo103() {}
+void foo104() {}
+void foo105() {}
+void foo106() {}
+void foo107() {}
+void foo108() {}
+void foo109() {}
+void foo110() {}
+void foo111() {}
+void foo112() {}
+void foo113() {}
+void foo114() {}
+void foo115() {}
+void foo116() {}
+void foo117() {}
+void foo118() {}
+void foo119() {}
+void foo120() {}
+void foo121() {}
+void foo122() {}
+void foo123() {}
+void foo124() {}
+void foo125() {}
+void foo126() {}
+void foo127() {}
+void foo128() {}
+void foo129() {}
+void foo130() {}
+void foo131() {}
+void foo132() {}
+void foo133() {}
+void foo134() {}
+void foo135() {}
+void foo136() {}
+void foo137() {}
+void foo138() {}
+void foo139() {}
+void foo140() {}
+void foo141() {}
+void foo142() {}
+void foo143() {}
+void foo144() {}
+void foo145() {}
+void foo146() {}
+void foo147() {}
+void foo148() {}
+void foo149() {}
+void foo150() {}
+void foo151() {}
+void foo152() {}
+void foo153() {}
+void foo154() {}
+void foo155() {}
+void foo156() {}
+void foo157() {}
+void foo158() {}
+void foo159() {}
+void foo160() {}
+void foo161() {}
+void foo162() {}
+void foo163() {}
+void foo164() {}
+void foo165() {}
+void foo166() {}
+void foo167() {}
+void foo168() {}
+void foo169() {}
+void foo170() {}
+void foo171() {}
+void foo172() {}
+void foo173() {}
+void foo174() {}
+void foo175() {}
+void foo176() {}
+void foo177() {}
+void foo178() {}
+void foo179() {}
+void foo180() {}
+void foo181() {}
+void foo182() {}
+void foo183() {}
+void foo184() {}
+void foo185() {}
+void foo186() {}
+void foo187() {}
+void foo188() {}
+void foo189() {}
+void foo190() {}
+void foo191() {}
+void foo192() {}
+void foo193() {}
+void foo194() {}
+void foo195() {}
+void foo196() {}
+void foo197() {}
+void foo198() {}
+void foo199() {}
+void foo200() {}
+void foo201() {}
+void foo202() {}
+void foo203() {}
+void foo204() {}
+void foo205() {}
+void foo206() {}
+void foo207() {}
+void foo208() {}
+void foo209() {}
+void foo210() {}
+void foo211() {}
+void foo212() {}
+void foo213() {}
+void foo214() {}
+void foo215() {}
+void foo216() {}
+void foo217() {}
+void foo218() {}
+void foo219() {}
+void foo220() {}
+void foo221() {}
+void foo222() {}
+void foo223() {}
+void foo224() {}
+void foo225() {}
+void foo226() {}
+void foo227() {}
+void foo228() {}
+void foo229() {}
+void foo230() {}
+void foo231() {}
+void foo232() {}
+void foo233() {}
+void foo234() {}
+void foo235() {}
+void foo236() {}
+void foo237() {}
+void foo238() {}
+void foo239() {}
+void foo240() {}
+void foo241() {}
+void foo242() {}
+void foo243() {}
+void foo244() {}
+void foo245() {}
+void foo246() {}
+void foo247() {}
+void foo248() {}
+void foo249() {}
+void foo250() {}
+void foo251() {}
+void foo252() {}
+void foo253() {}
+void foo254() {}
+void foo255() {}
+void foo256() {}
+void foo257() {}
+void foo258() {}
+void foo259() {}
+void foo260() {}
+void foo261() {}
+void foo262() {}
+void foo263() {}
+void foo264() {}
+void foo265() {}
+void foo266() {}
+void foo267() {}
+void foo268() {}
+void foo269() {}
+void foo270() {}
+void foo271() {}
+void foo272() {}
+void foo273() {}
+void foo274() {}
+void foo275() {}
+void foo276() {}
+void foo277() {}
+void foo278() {}
+void foo279() {}
+void foo280() {}
+void foo281() {}
+void foo282() {}
+void foo283() {}
+void foo284() {}
+void foo285() {}
+void foo286() {}
+void foo287() {}
+void foo288() {}
+void foo289() {}
+void foo290() {}
+void foo291() {}
+void foo292() {}
+void foo293() {}
+void foo294() {}
+void foo295() {}
+void foo296() {}
+void foo297() {}
+void foo298() {}
+void foo299() {}
+void foo300() {}
+void foo301() {}
+void foo302() {}
+void foo303() {}
+void foo304() {}
+void foo305() {}
+void foo306() {}
+void foo307() {}
+void foo308() {}
+void foo309() {}
+void foo310() {}
+void foo311() {}
+void foo312() {}
+void foo313() {}
+void foo314() {}
+void foo315() {}
+void foo316() {}
+void foo317() {}
+void foo318() {}
+void foo319() {}
+void foo320() {}
+void foo321() {}
+void foo322() {}
+void foo323() {}
+void foo324() {}
+void foo325() {}
+void foo326() {}
+void foo327() {}
+void foo328() {}
+void foo329() {}
+void foo330() {}
+void foo331() {}
+void foo332() {}
+void foo333() {}
+void foo334() {}
+void foo335() {}
+void foo336() {}
+void foo337() {}
+void foo338() {}
+void foo339() {}
+void foo340() {}
+void foo341() {}
+void foo342() {}
+void foo343() {}
+void foo344() {}
+void foo345() {}
+void foo346() {}
+void foo347() {}
+void foo348() {}
+void foo349() {}
+void foo350() {}
+void foo351() {}
+void foo352() {}
+void foo353() {}
+void foo354() {}
+void foo355() {}
+void foo356() {}
+void foo357() {}
+void foo358() {}
+void foo359() {}
+void foo360() {}
+void foo361() {}
+void foo362() {}
+void foo363() {}
+void foo364() {}
+void foo365() {}
+void foo366() {}
+void foo367() {}
+void foo368() {}
+void foo369() {}
+void foo370() {}
+void foo371() {}
+void foo372() {}
+void foo373() {}
+void foo374() {}
+void foo375() {}
+void foo376() {}
+void foo377() {}
+void foo378() {}
+void foo379() {}
+void foo380() {}
+void foo381() {}
+void foo382() {}
+void foo383() {}
+void foo384() {}
+void foo385() {}
+void foo386() {}
+void foo387() {}
+void foo388() {}
+void foo389() {}
+void foo390() {}
+void foo391() {}
+void foo392() {}
+void foo393() {}
+void foo394() {}
+void foo395() {}
+void foo396() {}
+void foo397() {}
+void foo398() {}
+void foo399() {}
+void foo400() {}
+void foo401() {}
+void foo402() {}
+void foo403() {}
+void foo404() {}
+void foo405() {}
+void foo406() {}
+void foo407() {}
+void foo408() {}
+void foo409() {}
+void foo410() {}
+void foo411() {}
+void foo412() {}
+void foo413() {}
+void foo414() {}
+void foo415() {}
+void foo416() {}
+void foo417() {}
+void foo418() {}
+void foo419() {}
+void foo420() {}
+void foo421() {}
+void foo422() {}
+void foo423() {}
+void foo424() {}
+void foo425() {}
+void foo426() {}
+void foo427() {}
+void foo428() {}
+void foo429() {}
+void foo430() {}
+void foo431() {}
+void foo432() {}
+void foo433() {}
+void foo434() {}
+void foo435() {}
+void foo436() {}
+void foo437() {}
+void foo438() {}
+void foo439() {}
+void foo440() {}
+void foo441() {}
+void foo442() {}
+void foo443() {}
+void foo444() {}
+void foo445() {}
+void foo446() {}
+void foo447() {}
+void foo448() {}
+void foo449() {}
+void foo450() {}
+void foo451() {}
+void foo452() {}
+void foo453() {}
+void foo454() {}
+void foo455() {}
+void foo456() {}
+void foo457() {}
+void foo458() {}
+void foo459() {}
+void foo460() {}
+void foo461() {}
+void foo462() {}
+void foo463() {}
+void foo464() {}
+void foo465() {}
+void foo466() {}
+void foo467() {}
+void foo468() {}
+void foo469() {}
+void foo470() {}
+void foo471() {}
+void foo472() {}
+void foo473() {}
+void foo474() {}
+void foo475() {}
+void foo476() {}
+void foo477() {}
+void foo478() {}
+void foo479() {}
+void foo480() {}
+void foo481() {}
+void foo482() {}
+void foo483() {}
+void foo484() {}
+void foo485() {}
+void foo486() {}
+void foo487() {}
+void foo488() {}
+void foo489() {}
+void foo490() {}
+void foo491() {}
+void foo492() {}
+void foo493() {}
+void foo494() {}
+void foo495() {}
+void foo496() {}
+void foo497() {}
+void foo498() {}
+void foo499() {}
+void foo500() {}
+void foo501() {}
+void foo502() {}
+void foo503() {}
+void foo504() {}
+void foo505() {}
+void foo506() {}
+void foo507() {}
+void foo508() {}
+void foo509() {}
+void foo510() {}
+void foo511() {}
+void foo512() {}
+void foo513() {}
+void foo514() {}
+void foo515() {}
+void foo516() {}
+void foo517() {}
+void foo518() {}
+void foo519() {}
+void foo520() {}
+void foo521() {}
+void foo522() {}
+void foo523() {}
+void foo524() {}
+void foo525() {}
+void foo526() {}
+void foo527() {}
+void foo528() {}
+void foo529() {}
+void foo530() {}
+void foo531() {}
+void foo532() {}
+void foo533() {}
+void foo534() {}
+void foo535() {}
+void foo536() {}
+void foo537() {}
+void foo538() {}
+void foo539() {}
+void foo540() {}
+void foo541() {}
+void foo542() {}
+void foo543() {}
+void foo544() {}
+void foo545() {}
+void foo546() {}
+void foo547() {}
+void foo548() {}
+void foo549() {}
+void foo550() {}
+void foo551() {}
+void foo552() {}
+void foo553() {}
+void foo554() {}
+void foo555() {}
+void foo556() {}
+void foo557() {}
+void foo558() {}
+void foo559() {}
+void foo560() {}
+void foo561() {}
+void foo562() {}
+void foo563() {}
+void foo564() {}
+void foo565() {}
+void foo566() {}
+void foo567() {}
+void foo568() {}
+void foo569() {}
+void foo570() {}
+void foo571() {}
+void foo572() {}
+void foo573() {}
+void foo574() {}
+void foo575() {}
+void foo576() {}
+void foo577() {}
+void foo578() {}
+void foo579() {}
+void foo580() {}
+void foo581() {}
+void foo582() {}
+void foo583() {}
+void foo584() {}
+void foo585() {}
+void foo586() {}
+void foo587() {}
+void foo588() {}
+void foo589() {}
+void foo590() {}
+void foo591() {}
+void foo592() {}
+void foo593() {}
+void foo594() {}
+void foo595() {}
+void foo596() {}
+void foo597() {}
+void foo598() {}
+void foo599() {}
+void foo600() {}
+void foo601() {}
+void foo602() {}
+void foo603() {}
+void foo604() {}
+void foo605() {}
+void foo606() {}
+void foo607() {}
+void foo608() {}
+void foo609() {}
+void foo610() {}
+void foo611() {}
+void foo612() {}
+void foo613() {}
+void foo614() {}
+void foo615() {}
+void foo616() {}
+void foo617() {}
+void foo618() {}
+void foo619() {}
+void foo620() {}
+void foo621() {}
+void foo622() {}
+void foo623() {}
+void foo624() {}
+void foo625() {}
+void foo626() {}
+void foo627() {}
+void foo628() {}
+void foo629() {}
+void foo630() {}
+void foo631() {}
+void foo632() {}
+void foo633() {}
+void foo634() {}
+void foo635() {}
+void foo636() {}
+void foo637() {}
+void foo638() {}
+void foo639() {}
+void foo640() {}
+void foo641() {}
+void foo642() {}
+void foo643() {}
+void foo644() {}
+void foo645() {}
+void foo646() {}
+void foo647() {}
+void foo648() {}
+void foo649() {}
+void foo650() {}
+void foo651() {}
+void foo652() {}
+void foo653() {}
+void foo654() {}
+void foo655() {}
+void foo656() {}
+void foo657() {}
+void foo658() {}
+void foo659() {}
+void foo660() {}
+void foo661() {}
+void foo662() {}
+void foo663() {}
+void foo664() {}
+void foo665() {}
+void foo666() {}
+void foo667() {}
+void foo668() {}
+void foo669() {}
+void foo670() {}
+void foo671() {}
+void foo672() {}
+void foo673() {}
+void foo674() {}
+void foo675() {}
+void foo676() {}
+void foo677() {}
+void foo678() {}
+void foo679() {}
+void foo680() {}
+void foo681() {}
+void foo682() {}
+void foo683() {}
+void foo684() {}
+void foo685() {}
+void foo686() {}
+void foo687() {}
+void foo688() {}
+void foo689() {}
+void foo690() {}
+void foo691() {}
+void foo692() {}
+void foo693() {}
+void foo694() {}
+void foo695() {}
+void foo696() {}
+void foo697() {}
+void foo698() {}
+void foo699() {}
+void foo700() {}
+void foo701() {}
+void foo702() {}
+void foo703() {}
+void foo704() {}
+void foo705() {}
+void foo706() {}
+void foo707() {}
+void foo708() {}
+void foo709() {}
+void foo710() {}
+void foo711() {}
+void foo712() {}
+void foo713() {}
+void foo714() {}
+void foo715() {}
+void foo716() {}
+void foo717() {}
+void foo718() {}
+void foo719() {}
+void foo720() {}
+void foo721() {}
+void foo722() {}
+void foo723() {}
+void foo724() {}
+void foo725() {}
+void foo726() {}
+void foo727() {}
+void foo728() {}
+void foo729() {}
+void foo730() {}
+void foo731() {}
+void foo732() {}
+void foo733() {}
+void foo734() {}
+void foo735() {}
+void foo736() {}
+void foo737() {}
+void foo738() {}
+void foo739() {}
+void foo740() {}
+void foo741() {}
+void foo742() {}
+void foo743() {}
+void foo744() {}
+void foo745() {}
+void foo746() {}
+void foo747() {}
+void foo748() {}
+void foo749() {}
+void foo750() {}
+void foo751() {}
+void foo752() {}
+void foo753() {}
+void foo754() {}
+void foo755() {}
+void foo756() {}
+void foo757() {}
+void foo758() {}
+void foo759() {}
+void foo760() {}
+void foo761() {}
+void foo762() {}
+void foo763() {}
+void foo764() {}
+void foo765() {}
+void foo766() {}
+void foo767() {}
+void foo768() {}
+void foo769() {}
+void foo770() {}
+void foo771() {}
+void foo772() {}
+void foo773() {}
+void foo774() {}
+void foo775() {}
+void foo776() {}
+void foo777() {}
+void foo778() {}
+void foo779() {}
+void foo780() {}
+void foo781() {}
+void foo782() {}
+void foo783() {}
+void foo784() {}
+void foo785() {}
+void foo786() {}
+void foo787() {}
+void foo788() {}
+void foo789() {}
+void foo790() {}
+void foo791() {}
+void foo792() {}
+void foo793() {}
+void foo794() {}
+void foo795() {}
+void foo796() {}
+void foo797() {}
+void foo798() {}
+void foo799() {}
+void foo800() {}
+void foo801() {}
+void foo802() {}
+void foo803() {}
+void foo804() {}
+void foo805() {}
+void foo806() {}
+void foo807() {}
+void foo808() {}
+void foo809() {}
+void foo810() {}
+void foo811() {}
+void foo812() {}
+void foo813() {}
+void foo814() {}
+void foo815() {}
+void foo816() {}
+void foo817() {}
+void foo818() {}
+void foo819() {}
+void foo820() {}
+void foo821() {}
+void foo822() {}
+void foo823() {}
+void foo824() {}
diff --git a/unit-tests/test-cases/big-jump-table/foo.h b/unit-tests/test-cases/big-jump-table/foo.h
new file mode 100644
index 0000000..e9b155b
--- /dev/null
+++ b/unit-tests/test-cases/big-jump-table/foo.h
@@ -0,0 +1,825 @@
+extern void foo000();
+extern void foo001();
+extern void foo002();
+extern void foo003();
+extern void foo004();
+extern void foo005();
+extern void foo006();
+extern void foo007();
+extern void foo008();
+extern void foo009();
+extern void foo010();
+extern void foo011();
+extern void foo012();
+extern void foo013();
+extern void foo014();
+extern void foo015();
+extern void foo016();
+extern void foo017();
+extern void foo018();
+extern void foo019();
+extern void foo020();
+extern void foo021();
+extern void foo022();
+extern void foo023();
+extern void foo024();
+extern void foo025();
+extern void foo026();
+extern void foo027();
+extern void foo028();
+extern void foo029();
+extern void foo030();
+extern void foo031();
+extern void foo032();
+extern void foo033();
+extern void foo034();
+extern void foo035();
+extern void foo036();
+extern void foo037();
+extern void foo038();
+extern void foo039();
+extern void foo040();
+extern void foo041();
+extern void foo042();
+extern void foo043();
+extern void foo044();
+extern void foo045();
+extern void foo046();
+extern void foo047();
+extern void foo048();
+extern void foo049();
+extern void foo050();
+extern void foo051();
+extern void foo052();
+extern void foo053();
+extern void foo054();
+extern void foo055();
+extern void foo056();
+extern void foo057();
+extern void foo058();
+extern void foo059();
+extern void foo060();
+extern void foo061();
+extern void foo062();
+extern void foo063();
+extern void foo064();
+extern void foo065();
+extern void foo066();
+extern void foo067();
+extern void foo068();
+extern void foo069();
+extern void foo070();
+extern void foo071();
+extern void foo072();
+extern void foo073();
+extern void foo074();
+extern void foo075();
+extern void foo076();
+extern void foo077();
+extern void foo078();
+extern void foo079();
+extern void foo080();
+extern void foo081();
+extern void foo082();
+extern void foo083();
+extern void foo084();
+extern void foo085();
+extern void foo086();
+extern void foo087();
+extern void foo088();
+extern void foo089();
+extern void foo090();
+extern void foo091();
+extern void foo092();
+extern void foo093();
+extern void foo094();
+extern void foo095();
+extern void foo096();
+extern void foo097();
+extern void foo098();
+extern void foo099();
+extern void foo100();
+extern void foo101();
+extern void foo102();
+extern void foo103();
+extern void foo104();
+extern void foo105();
+extern void foo106();
+extern void foo107();
+extern void foo108();
+extern void foo109();
+extern void foo110();
+extern void foo111();
+extern void foo112();
+extern void foo113();
+extern void foo114();
+extern void foo115();
+extern void foo116();
+extern void foo117();
+extern void foo118();
+extern void foo119();
+extern void foo120();
+extern void foo121();
+extern void foo122();
+extern void foo123();
+extern void foo124();
+extern void foo125();
+extern void foo126();
+extern void foo127();
+extern void foo128();
+extern void foo129();
+extern void foo130();
+extern void foo131();
+extern void foo132();
+extern void foo133();
+extern void foo134();
+extern void foo135();
+extern void foo136();
+extern void foo137();
+extern void foo138();
+extern void foo139();
+extern void foo140();
+extern void foo141();
+extern void foo142();
+extern void foo143();
+extern void foo144();
+extern void foo145();
+extern void foo146();
+extern void foo147();
+extern void foo148();
+extern void foo149();
+extern void foo150();
+extern void foo151();
+extern void foo152();
+extern void foo153();
+extern void foo154();
+extern void foo155();
+extern void foo156();
+extern void foo157();
+extern void foo158();
+extern void foo159();
+extern void foo160();
+extern void foo161();
+extern void foo162();
+extern void foo163();
+extern void foo164();
+extern void foo165();
+extern void foo166();
+extern void foo167();
+extern void foo168();
+extern void foo169();
+extern void foo170();
+extern void foo171();
+extern void foo172();
+extern void foo173();
+extern void foo174();
+extern void foo175();
+extern void foo176();
+extern void foo177();
+extern void foo178();
+extern void foo179();
+extern void foo180();
+extern void foo181();
+extern void foo182();
+extern void foo183();
+extern void foo184();
+extern void foo185();
+extern void foo186();
+extern void foo187();
+extern void foo188();
+extern void foo189();
+extern void foo190();
+extern void foo191();
+extern void foo192();
+extern void foo193();
+extern void foo194();
+extern void foo195();
+extern void foo196();
+extern void foo197();
+extern void foo198();
+extern void foo199();
+extern void foo200();
+extern void foo201();
+extern void foo202();
+extern void foo203();
+extern void foo204();
+extern void foo205();
+extern void foo206();
+extern void foo207();
+extern void foo208();
+extern void foo209();
+extern void foo210();
+extern void foo211();
+extern void foo212();
+extern void foo213();
+extern void foo214();
+extern void foo215();
+extern void foo216();
+extern void foo217();
+extern void foo218();
+extern void foo219();
+extern void foo220();
+extern void foo221();
+extern void foo222();
+extern void foo223();
+extern void foo224();
+extern void foo225();
+extern void foo226();
+extern void foo227();
+extern void foo228();
+extern void foo229();
+extern void foo230();
+extern void foo231();
+extern void foo232();
+extern void foo233();
+extern void foo234();
+extern void foo235();
+extern void foo236();
+extern void foo237();
+extern void foo238();
+extern void foo239();
+extern void foo240();
+extern void foo241();
+extern void foo242();
+extern void foo243();
+extern void foo244();
+extern void foo245();
+extern void foo246();
+extern void foo247();
+extern void foo248();
+extern void foo249();
+extern void foo250();
+extern void foo251();
+extern void foo252();
+extern void foo253();
+extern void foo254();
+extern void foo255();
+extern void foo256();
+extern void foo257();
+extern void foo258();
+extern void foo259();
+extern void foo260();
+extern void foo261();
+extern void foo262();
+extern void foo263();
+extern void foo264();
+extern void foo265();
+extern void foo266();
+extern void foo267();
+extern void foo268();
+extern void foo269();
+extern void foo270();
+extern void foo271();
+extern void foo272();
+extern void foo273();
+extern void foo274();
+extern void foo275();
+extern void foo276();
+extern void foo277();
+extern void foo278();
+extern void foo279();
+extern void foo280();
+extern void foo281();
+extern void foo282();
+extern void foo283();
+extern void foo284();
+extern void foo285();
+extern void foo286();
+extern void foo287();
+extern void foo288();
+extern void foo289();
+extern void foo290();
+extern void foo291();
+extern void foo292();
+extern void foo293();
+extern void foo294();
+extern void foo295();
+extern void foo296();
+extern void foo297();
+extern void foo298();
+extern void foo299();
+extern void foo300();
+extern void foo301();
+extern void foo302();
+extern void foo303();
+extern void foo304();
+extern void foo305();
+extern void foo306();
+extern void foo307();
+extern void foo308();
+extern void foo309();
+extern void foo310();
+extern void foo311();
+extern void foo312();
+extern void foo313();
+extern void foo314();
+extern void foo315();
+extern void foo316();
+extern void foo317();
+extern void foo318();
+extern void foo319();
+extern void foo320();
+extern void foo321();
+extern void foo322();
+extern void foo323();
+extern void foo324();
+extern void foo325();
+extern void foo326();
+extern void foo327();
+extern void foo328();
+extern void foo329();
+extern void foo330();
+extern void foo331();
+extern void foo332();
+extern void foo333();
+extern void foo334();
+extern void foo335();
+extern void foo336();
+extern void foo337();
+extern void foo338();
+extern void foo339();
+extern void foo340();
+extern void foo341();
+extern void foo342();
+extern void foo343();
+extern void foo344();
+extern void foo345();
+extern void foo346();
+extern void foo347();
+extern void foo348();
+extern void foo349();
+extern void foo350();
+extern void foo351();
+extern void foo352();
+extern void foo353();
+extern void foo354();
+extern void foo355();
+extern void foo356();
+extern void foo357();
+extern void foo358();
+extern void foo359();
+extern void foo360();
+extern void foo361();
+extern void foo362();
+extern void foo363();
+extern void foo364();
+extern void foo365();
+extern void foo366();
+extern void foo367();
+extern void foo368();
+extern void foo369();
+extern void foo370();
+extern void foo371();
+extern void foo372();
+extern void foo373();
+extern void foo374();
+extern void foo375();
+extern void foo376();
+extern void foo377();
+extern void foo378();
+extern void foo379();
+extern void foo380();
+extern void foo381();
+extern void foo382();
+extern void foo383();
+extern void foo384();
+extern void foo385();
+extern void foo386();
+extern void foo387();
+extern void foo388();
+extern void foo389();
+extern void foo390();
+extern void foo391();
+extern void foo392();
+extern void foo393();
+extern void foo394();
+extern void foo395();
+extern void foo396();
+extern void foo397();
+extern void foo398();
+extern void foo399();
+extern void foo400();
+extern void foo401();
+extern void foo402();
+extern void foo403();
+extern void foo404();
+extern void foo405();
+extern void foo406();
+extern void foo407();
+extern void foo408();
+extern void foo409();
+extern void foo410();
+extern void foo411();
+extern void foo412();
+extern void foo413();
+extern void foo414();
+extern void foo415();
+extern void foo416();
+extern void foo417();
+extern void foo418();
+extern void foo419();
+extern void foo420();
+extern void foo421();
+extern void foo422();
+extern void foo423();
+extern void foo424();
+extern void foo425();
+extern void foo426();
+extern void foo427();
+extern void foo428();
+extern void foo429();
+extern void foo430();
+extern void foo431();
+extern void foo432();
+extern void foo433();
+extern void foo434();
+extern void foo435();
+extern void foo436();
+extern void foo437();
+extern void foo438();
+extern void foo439();
+extern void foo440();
+extern void foo441();
+extern void foo442();
+extern void foo443();
+extern void foo444();
+extern void foo445();
+extern void foo446();
+extern void foo447();
+extern void foo448();
+extern void foo449();
+extern void foo450();
+extern void foo451();
+extern void foo452();
+extern void foo453();
+extern void foo454();
+extern void foo455();
+extern void foo456();
+extern void foo457();
+extern void foo458();
+extern void foo459();
+extern void foo460();
+extern void foo461();
+extern void foo462();
+extern void foo463();
+extern void foo464();
+extern void foo465();
+extern void foo466();
+extern void foo467();
+extern void foo468();
+extern void foo469();
+extern void foo470();
+extern void foo471();
+extern void foo472();
+extern void foo473();
+extern void foo474();
+extern void foo475();
+extern void foo476();
+extern void foo477();
+extern void foo478();
+extern void foo479();
+extern void foo480();
+extern void foo481();
+extern void foo482();
+extern void foo483();
+extern void foo484();
+extern void foo485();
+extern void foo486();
+extern void foo487();
+extern void foo488();
+extern void foo489();
+extern void foo490();
+extern void foo491();
+extern void foo492();
+extern void foo493();
+extern void foo494();
+extern void foo495();
+extern void foo496();
+extern void foo497();
+extern void foo498();
+extern void foo499();
+extern void foo500();
+extern void foo501();
+extern void foo502();
+extern void foo503();
+extern void foo504();
+extern void foo505();
+extern void foo506();
+extern void foo507();
+extern void foo508();
+extern void foo509();
+extern void foo510();
+extern void foo511();
+extern void foo512();
+extern void foo513();
+extern void foo514();
+extern void foo515();
+extern void foo516();
+extern void foo517();
+extern void foo518();
+extern void foo519();
+extern void foo520();
+extern void foo521();
+extern void foo522();
+extern void foo523();
+extern void foo524();
+extern void foo525();
+extern void foo526();
+extern void foo527();
+extern void foo528();
+extern void foo529();
+extern void foo530();
+extern void foo531();
+extern void foo532();
+extern void foo533();
+extern void foo534();
+extern void foo535();
+extern void foo536();
+extern void foo537();
+extern void foo538();
+extern void foo539();
+extern void foo540();
+extern void foo541();
+extern void foo542();
+extern void foo543();
+extern void foo544();
+extern void foo545();
+extern void foo546();
+extern void foo547();
+extern void foo548();
+extern void foo549();
+extern void foo550();
+extern void foo551();
+extern void foo552();
+extern void foo553();
+extern void foo554();
+extern void foo555();
+extern void foo556();
+extern void foo557();
+extern void foo558();
+extern void foo559();
+extern void foo560();
+extern void foo561();
+extern void foo562();
+extern void foo563();
+extern void foo564();
+extern void foo565();
+extern void foo566();
+extern void foo567();
+extern void foo568();
+extern void foo569();
+extern void foo570();
+extern void foo571();
+extern void foo572();
+extern void foo573();
+extern void foo574();
+extern void foo575();
+extern void foo576();
+extern void foo577();
+extern void foo578();
+extern void foo579();
+extern void foo580();
+extern void foo581();
+extern void foo582();
+extern void foo583();
+extern void foo584();
+extern void foo585();
+extern void foo586();
+extern void foo587();
+extern void foo588();
+extern void foo589();
+extern void foo590();
+extern void foo591();
+extern void foo592();
+extern void foo593();
+extern void foo594();
+extern void foo595();
+extern void foo596();
+extern void foo597();
+extern void foo598();
+extern void foo599();
+extern void foo600();
+extern void foo601();
+extern void foo602();
+extern void foo603();
+extern void foo604();
+extern void foo605();
+extern void foo606();
+extern void foo607();
+extern void foo608();
+extern void foo609();
+extern void foo610();
+extern void foo611();
+extern void foo612();
+extern void foo613();
+extern void foo614();
+extern void foo615();
+extern void foo616();
+extern void foo617();
+extern void foo618();
+extern void foo619();
+extern void foo620();
+extern void foo621();
+extern void foo622();
+extern void foo623();
+extern void foo624();
+extern void foo625();
+extern void foo626();
+extern void foo627();
+extern void foo628();
+extern void foo629();
+extern void foo630();
+extern void foo631();
+extern void foo632();
+extern void foo633();
+extern void foo634();
+extern void foo635();
+extern void foo636();
+extern void foo637();
+extern void foo638();
+extern void foo639();
+extern void foo640();
+extern void foo641();
+extern void foo642();
+extern void foo643();
+extern void foo644();
+extern void foo645();
+extern void foo646();
+extern void foo647();
+extern void foo648();
+extern void foo649();
+extern void foo650();
+extern void foo651();
+extern void foo652();
+extern void foo653();
+extern void foo654();
+extern void foo655();
+extern void foo656();
+extern void foo657();
+extern void foo658();
+extern void foo659();
+extern void foo660();
+extern void foo661();
+extern void foo662();
+extern void foo663();
+extern void foo664();
+extern void foo665();
+extern void foo666();
+extern void foo667();
+extern void foo668();
+extern void foo669();
+extern void foo670();
+extern void foo671();
+extern void foo672();
+extern void foo673();
+extern void foo674();
+extern void foo675();
+extern void foo676();
+extern void foo677();
+extern void foo678();
+extern void foo679();
+extern void foo680();
+extern void foo681();
+extern void foo682();
+extern void foo683();
+extern void foo684();
+extern void foo685();
+extern void foo686();
+extern void foo687();
+extern void foo688();
+extern void foo689();
+extern void foo690();
+extern void foo691();
+extern void foo692();
+extern void foo693();
+extern void foo694();
+extern void foo695();
+extern void foo696();
+extern void foo697();
+extern void foo698();
+extern void foo699();
+extern void foo700();
+extern void foo701();
+extern void foo702();
+extern void foo703();
+extern void foo704();
+extern void foo705();
+extern void foo706();
+extern void foo707();
+extern void foo708();
+extern void foo709();
+extern void foo710();
+extern void foo711();
+extern void foo712();
+extern void foo713();
+extern void foo714();
+extern void foo715();
+extern void foo716();
+extern void foo717();
+extern void foo718();
+extern void foo719();
+extern void foo720();
+extern void foo721();
+extern void foo722();
+extern void foo723();
+extern void foo724();
+extern void foo725();
+extern void foo726();
+extern void foo727();
+extern void foo728();
+extern void foo729();
+extern void foo730();
+extern void foo731();
+extern void foo732();
+extern void foo733();
+extern void foo734();
+extern void foo735();
+extern void foo736();
+extern void foo737();
+extern void foo738();
+extern void foo739();
+extern void foo740();
+extern void foo741();
+extern void foo742();
+extern void foo743();
+extern void foo744();
+extern void foo745();
+extern void foo746();
+extern void foo747();
+extern void foo748();
+extern void foo749();
+extern void foo750();
+extern void foo751();
+extern void foo752();
+extern void foo753();
+extern void foo754();
+extern void foo755();
+extern void foo756();
+extern void foo757();
+extern void foo758();
+extern void foo759();
+extern void foo760();
+extern void foo761();
+extern void foo762();
+extern void foo763();
+extern void foo764();
+extern void foo765();
+extern void foo766();
+extern void foo767();
+extern void foo768();
+extern void foo769();
+extern void foo770();
+extern void foo771();
+extern void foo772();
+extern void foo773();
+extern void foo774();
+extern void foo775();
+extern void foo776();
+extern void foo777();
+extern void foo778();
+extern void foo779();
+extern void foo780();
+extern void foo781();
+extern void foo782();
+extern void foo783();
+extern void foo784();
+extern void foo785();
+extern void foo786();
+extern void foo787();
+extern void foo788();
+extern void foo789();
+extern void foo790();
+extern void foo791();
+extern void foo792();
+extern void foo793();
+extern void foo794();
+extern void foo795();
+extern void foo796();
+extern void foo797();
+extern void foo798();
+extern void foo799();
+extern void foo800();
+extern void foo801();
+extern void foo802();
+extern void foo803();
+extern void foo804();
+extern void foo805();
+extern void foo806();
+extern void foo807();
+extern void foo808();
+extern void foo809();
+extern void foo810();
+extern void foo811();
+extern void foo812();
+extern void foo813();
+extern void foo814();
+extern void foo815();
+extern void foo816();
+extern void foo817();
+extern void foo818();
+extern void foo819();
+extern void foo820();
+extern void foo821();
+extern void foo822();
+extern void foo823();
+extern void foo824();
diff --git a/unit-tests/test-cases/big-jump-table/funcs.c b/unit-tests/test-cases/big-jump-table/funcs.c
new file mode 100644
index 0000000..16c40a2
--- /dev/null
+++ b/unit-tests/test-cases/big-jump-table/funcs.c
@@ -0,0 +1,853 @@
+/*
+ * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#include "foo.h"
+
+static void __attribute__((constructor)) myinit()
+{
+ foo002();
+ foo003();
+ foo004();
+ foo005();
+ foo006();
+ foo007();
+ foo008();
+ foo009();
+ foo010();
+ foo011();
+ foo012();
+ foo013();
+ foo014();
+ foo015();
+ foo016();
+ foo017();
+ foo018();
+ foo019();
+ foo020();
+ foo021();
+ foo022();
+ foo023();
+ foo024();
+ foo025();
+ foo026();
+ foo027();
+ foo028();
+ foo029();
+ foo030();
+ foo031();
+ foo032();
+ foo033();
+ foo034();
+ foo035();
+ foo036();
+ foo037();
+ foo038();
+ foo039();
+ foo040();
+ foo041();
+ foo042();
+ foo043();
+ foo044();
+ foo045();
+ foo046();
+ foo047();
+ foo048();
+ foo049();
+ foo050();
+ foo051();
+ foo052();
+ foo053();
+ foo054();
+ foo055();
+ foo056();
+ foo057();
+ foo058();
+ foo059();
+ foo060();
+ foo061();
+ foo062();
+ foo063();
+ foo064();
+ foo065();
+ foo066();
+ foo067();
+ foo068();
+ foo069();
+ foo070();
+ foo071();
+ foo072();
+ foo073();
+ foo074();
+ foo075();
+ foo076();
+ foo077();
+ foo078();
+ foo079();
+ foo080();
+ foo081();
+ foo082();
+ foo083();
+ foo084();
+ foo085();
+ foo086();
+ foo087();
+ foo088();
+ foo089();
+ foo090();
+ foo091();
+ foo092();
+ foo093();
+ foo094();
+ foo095();
+ foo096();
+ foo097();
+ foo098();
+ foo099();
+ foo100();
+ foo101();
+ foo102();
+ foo103();
+ foo104();
+ foo105();
+ foo106();
+ foo107();
+ foo108();
+ foo109();
+ foo110();
+ foo111();
+ foo112();
+ foo113();
+ foo114();
+ foo115();
+ foo116();
+ foo117();
+ foo118();
+ foo119();
+ foo120();
+ foo121();
+ foo122();
+ foo123();
+ foo124();
+ foo125();
+ foo126();
+ foo127();
+ foo128();
+ foo129();
+ foo130();
+ foo131();
+ foo132();
+ foo133();
+ foo134();
+ foo135();
+ foo136();
+ foo137();
+ foo138();
+ foo139();
+ foo140();
+ foo141();
+ foo142();
+ foo143();
+ foo144();
+ foo145();
+ foo146();
+ foo147();
+ foo148();
+ foo149();
+ foo150();
+ foo151();
+ foo152();
+ foo153();
+ foo154();
+ foo155();
+ foo156();
+ foo157();
+ foo158();
+ foo159();
+ foo160();
+ foo161();
+ foo162();
+ foo163();
+ foo164();
+ foo165();
+ foo166();
+ foo167();
+ foo168();
+ foo169();
+ foo170();
+ foo171();
+ foo172();
+ foo173();
+ foo174();
+ foo175();
+ foo176();
+ foo177();
+ foo178();
+ foo179();
+ foo180();
+ foo181();
+ foo182();
+ foo183();
+ foo184();
+ foo185();
+ foo186();
+ foo187();
+ foo188();
+ foo189();
+ foo190();
+ foo191();
+ foo192();
+ foo193();
+ foo194();
+ foo195();
+ foo196();
+ foo197();
+ foo198();
+ foo199();
+ foo200();
+ foo201();
+ foo202();
+ foo203();
+ foo204();
+ foo205();
+ foo206();
+ foo207();
+ foo208();
+ foo209();
+ foo210();
+ foo211();
+ foo212();
+ foo213();
+ foo214();
+ foo215();
+ foo216();
+ foo217();
+ foo218();
+ foo219();
+ foo220();
+ foo221();
+ foo222();
+ foo223();
+ foo224();
+ foo225();
+ foo226();
+ foo227();
+ foo228();
+ foo229();
+ foo230();
+ foo231();
+ foo232();
+ foo233();
+ foo234();
+ foo235();
+ foo236();
+ foo237();
+ foo238();
+ foo239();
+ foo240();
+ foo241();
+ foo242();
+ foo243();
+ foo244();
+ foo245();
+ foo246();
+ foo247();
+ foo248();
+ foo249();
+ foo250();
+ foo251();
+ foo252();
+ foo253();
+ foo254();
+ foo255();
+ foo256();
+ foo257();
+ foo258();
+ foo259();
+ foo260();
+ foo261();
+ foo262();
+ foo263();
+ foo264();
+ foo265();
+ foo266();
+ foo267();
+ foo268();
+ foo269();
+ foo270();
+ foo271();
+ foo272();
+ foo273();
+ foo274();
+ foo275();
+ foo276();
+ foo277();
+ foo278();
+ foo279();
+ foo280();
+ foo281();
+ foo282();
+ foo283();
+ foo284();
+ foo285();
+ foo286();
+ foo287();
+ foo288();
+ foo289();
+ foo290();
+ foo291();
+ foo292();
+ foo293();
+ foo294();
+ foo295();
+ foo296();
+ foo297();
+ foo298();
+ foo299();
+ foo300();
+ foo301();
+ foo302();
+ foo303();
+ foo304();
+ foo305();
+ foo306();
+ foo307();
+ foo308();
+ foo309();
+ foo310();
+ foo311();
+ foo312();
+ foo313();
+ foo314();
+ foo315();
+ foo316();
+ foo317();
+ foo318();
+ foo319();
+ foo320();
+ foo321();
+ foo322();
+ foo323();
+ foo324();
+ foo325();
+ foo326();
+ foo327();
+ foo328();
+ foo329();
+ foo330();
+ foo331();
+ foo332();
+ foo333();
+ foo334();
+ foo335();
+ foo336();
+ foo337();
+ foo338();
+ foo339();
+ foo340();
+ foo341();
+ foo342();
+ foo343();
+ foo344();
+ foo345();
+ foo346();
+ foo347();
+ foo348();
+ foo349();
+ foo350();
+ foo351();
+ foo352();
+ foo353();
+ foo354();
+ foo355();
+ foo356();
+ foo357();
+ foo358();
+ foo359();
+ foo360();
+ foo361();
+ foo362();
+ foo363();
+ foo364();
+ foo365();
+ foo366();
+ foo367();
+ foo368();
+ foo369();
+ foo370();
+ foo371();
+ foo372();
+ foo373();
+ foo374();
+ foo375();
+ foo376();
+ foo377();
+ foo378();
+ foo379();
+ foo380();
+ foo381();
+ foo382();
+ foo383();
+ foo384();
+ foo385();
+ foo386();
+ foo387();
+ foo388();
+ foo389();
+ foo390();
+ foo391();
+ foo392();
+ foo393();
+ foo394();
+ foo395();
+ foo396();
+ foo397();
+ foo398();
+ foo399();
+ foo400();
+ foo401();
+ foo402();
+ foo403();
+ foo404();
+ foo405();
+ foo406();
+ foo407();
+ foo408();
+ foo409();
+ foo410();
+ foo411();
+ foo412();
+ foo413();
+ foo414();
+ foo415();
+ foo416();
+ foo417();
+ foo418();
+ foo419();
+ foo420();
+ foo421();
+ foo422();
+ foo423();
+ foo424();
+ foo425();
+ foo426();
+ foo427();
+ foo428();
+ foo429();
+ foo430();
+ foo431();
+ foo432();
+ foo433();
+ foo434();
+ foo435();
+ foo436();
+ foo437();
+ foo438();
+ foo439();
+ foo440();
+ foo441();
+ foo442();
+ foo443();
+ foo444();
+ foo445();
+ foo446();
+ foo447();
+ foo448();
+ foo449();
+ foo450();
+ foo451();
+ foo452();
+ foo453();
+ foo454();
+ foo455();
+ foo456();
+ foo457();
+ foo458();
+ foo459();
+ foo460();
+ foo461();
+ foo462();
+ foo463();
+ foo464();
+ foo465();
+ foo466();
+ foo467();
+ foo468();
+ foo469();
+ foo470();
+ foo471();
+ foo472();
+ foo473();
+ foo474();
+ foo475();
+ foo476();
+ foo477();
+ foo478();
+ foo479();
+ foo480();
+ foo481();
+ foo482();
+ foo483();
+ foo484();
+ foo485();
+ foo486();
+ foo487();
+ foo488();
+ foo489();
+ foo490();
+ foo491();
+ foo492();
+ foo493();
+ foo494();
+ foo495();
+ foo496();
+ foo497();
+ foo498();
+ foo499();
+ foo500();
+ foo501();
+ foo502();
+ foo503();
+ foo504();
+ foo505();
+ foo506();
+ foo507();
+ foo508();
+ foo509();
+ foo510();
+ foo511();
+ foo512();
+ foo513();
+ foo514();
+ foo515();
+ foo516();
+ foo517();
+ foo518();
+ foo519();
+ foo520();
+ foo521();
+ foo522();
+ foo523();
+ foo524();
+ foo525();
+ foo526();
+ foo527();
+ foo528();
+ foo529();
+ foo530();
+ foo531();
+ foo532();
+ foo533();
+ foo534();
+ foo535();
+ foo536();
+ foo537();
+ foo538();
+ foo539();
+ foo540();
+ foo541();
+ foo542();
+ foo543();
+ foo544();
+ foo545();
+ foo546();
+ foo547();
+ foo548();
+ foo549();
+ foo550();
+ foo551();
+ foo552();
+ foo553();
+ foo554();
+ foo555();
+ foo556();
+ foo557();
+ foo558();
+ foo559();
+ foo560();
+ foo561();
+ foo562();
+ foo563();
+ foo564();
+ foo565();
+ foo566();
+ foo567();
+ foo568();
+ foo569();
+ foo570();
+ foo571();
+ foo572();
+ foo573();
+ foo574();
+ foo575();
+ foo576();
+ foo577();
+ foo578();
+ foo579();
+ foo580();
+ foo581();
+ foo582();
+ foo583();
+ foo584();
+ foo585();
+ foo586();
+ foo587();
+ foo588();
+ foo589();
+ foo590();
+ foo591();
+ foo592();
+ foo593();
+ foo594();
+ foo595();
+ foo596();
+ foo597();
+ foo598();
+ foo599();
+ foo600();
+ foo601();
+ foo602();
+ foo603();
+ foo604();
+ foo605();
+ foo606();
+ foo607();
+ foo608();
+ foo609();
+ foo610();
+ foo611();
+ foo612();
+ foo613();
+ foo614();
+ foo615();
+ foo616();
+ foo617();
+ foo618();
+ foo619();
+ foo620();
+ foo621();
+ foo622();
+ foo623();
+ foo624();
+ foo625();
+ foo626();
+ foo627();
+ foo628();
+ foo629();
+ foo630();
+ foo631();
+ foo632();
+ foo633();
+ foo634();
+ foo635();
+ foo636();
+ foo637();
+ foo638();
+ foo639();
+ foo640();
+ foo641();
+ foo642();
+ foo643();
+ foo644();
+ foo645();
+ foo646();
+ foo647();
+ foo648();
+ foo649();
+ foo650();
+ foo651();
+ foo652();
+ foo653();
+ foo654();
+ foo655();
+ foo656();
+ foo657();
+ foo658();
+ foo659();
+ foo660();
+ foo661();
+ foo662();
+ foo663();
+ foo664();
+ foo665();
+ foo666();
+ foo667();
+ foo668();
+ foo669();
+ foo670();
+ foo671();
+ foo672();
+ foo673();
+ foo674();
+ foo675();
+ foo676();
+ foo677();
+ foo678();
+ foo679();
+ foo680();
+ foo681();
+ foo682();
+ foo683();
+ foo684();
+ foo685();
+ foo686();
+ foo687();
+ foo688();
+ foo689();
+ foo690();
+ foo691();
+ foo692();
+ foo693();
+ foo694();
+ foo695();
+ foo696();
+ foo697();
+ foo698();
+ foo699();
+ foo700();
+ foo701();
+ foo702();
+ foo703();
+ foo704();
+ foo705();
+ foo706();
+ foo707();
+ foo708();
+ foo709();
+ foo710();
+ foo711();
+ foo712();
+ foo713();
+ foo714();
+ foo715();
+ foo716();
+ foo717();
+ foo718();
+ foo719();
+ foo720();
+ foo721();
+ foo722();
+ foo723();
+ foo724();
+ foo725();
+ foo726();
+ foo727();
+ foo728();
+ foo729();
+ foo730();
+ foo731();
+ foo732();
+ foo733();
+ foo734();
+ foo735();
+ foo736();
+ foo737();
+ foo738();
+ foo739();
+ foo740();
+ foo741();
+ foo742();
+ foo743();
+ foo744();
+ foo745();
+ foo746();
+ foo747();
+ foo748();
+ foo749();
+ foo750();
+ foo751();
+ foo752();
+ foo753();
+ foo754();
+ foo755();
+ foo756();
+ foo757();
+ foo758();
+ foo759();
+ foo760();
+ foo761();
+ foo762();
+ foo763();
+ foo764();
+ foo765();
+ foo766();
+ foo767();
+ foo768();
+ foo769();
+ foo770();
+ foo771();
+ foo772();
+ foo773();
+ foo774();
+ foo775();
+ foo776();
+ foo777();
+ foo778();
+ foo779();
+ foo780();
+ foo781();
+ foo782();
+ foo783();
+ foo784();
+ foo785();
+ foo786();
+ foo787();
+ foo788();
+ foo789();
+ foo790();
+ foo791();
+ foo792();
+ foo793();
+ foo794();
+ foo795();
+ foo796();
+ foo797();
+ foo798();
+ foo799();
+ foo800();
+ foo801();
+ foo802();
+ foo803();
+ foo804();
+ foo805();
+ foo806();
+ foo807();
+ foo808();
+ foo809();
+ foo810();
+ foo811();
+ foo812();
+ foo813();
+#if CASE <= 4
+ foo814();
+#endif
+#if CASE <= 3
+ foo815();
+#endif
+#if CASE <= 2
+ foo816();
+#endif
+#if CASE <= 1
+ foo817();
+#endif
+}
+
diff --git a/unit-tests/test-cases/dlclose-dylib-unload/bar.c b/unit-tests/test-cases/big-jump-table/main.c
similarity index 77%
rename from unit-tests/test-cases/dlclose-dylib-unload/bar.c
rename to unit-tests/test-cases/big-jump-table/main.c
index 817b8cd..6241ef4 100644
--- a/unit-tests/test-cases/dlclose-dylib-unload/bar.c
+++ b/unit-tests/test-cases/big-jump-table/main.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
@@ -20,9 +20,17 @@
*
* @APPLE_LICENSE_HEADER_END@
*/
+#include <stdio.h> // fprintf(), NULL
+#include <stdlib.h> // exit(), EXIT_SUCCESS
+#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
-int bar()
+
+
+int main()
{
- return 10;
+ PASS("big-jump-table");
+ return EXIT_SUCCESS;
}
+
+
diff --git a/unit-tests/test-cases/big-jump-table/pointers.c b/unit-tests/test-cases/big-jump-table/pointers.c
new file mode 100644
index 0000000..5484be0
--- /dev/null
+++ b/unit-tests/test-cases/big-jump-table/pointers.c
@@ -0,0 +1,23 @@
+
+#include "foo.h"
+
+long useNonLazy()
+{
+ long result = 0;
+ result += (long)&foo001;
+ result += (long)&foo002;
+ result += (long)&foo003;
+#if CASE > 0
+ result += (long)&foo818;
+#endif
+#if CASE > 1
+ result += (long)&foo817;
+#endif
+#if CASE > 2
+ result += (long)&foo816;
+#endif
+#if CASE > 3
+ result += (long)&foo815;
+#endif
+ return result;
+}
diff --git a/unit-tests/test-cases/bundle-memory-load-fat/main.c b/unit-tests/test-cases/bundle-memory-load-fat/main.c
index 4d77c98..7169e32 100644
--- a/unit-tests/test-cases/bundle-memory-load-fat/main.c
+++ b/unit-tests/test-cases/bundle-memory-load-fat/main.c
@@ -74,7 +74,7 @@ int main()
}
CheckFunc func = NSAddressOfSymbol(sym);
- if ( !func() ) {
+ if ( func == NULL ) {
FAIL("NSAddressOfSymbol failed");
return 1;
}
diff --git a/unit-tests/test-cases/bundle-reload/Makefile b/unit-tests/test-cases/bundle-reload/Makefile
index a32ecb5..194c744 100644
--- a/unit-tests/test-cases/bundle-reload/Makefile
+++ b/unit-tests/test-cases/bundle-reload/Makefile
@@ -38,7 +38,7 @@ main : main.c
${CC} ${CCFLAGS} -I${TESTROOT}/include -o main main.c
test.bundle : bundle.cxx
- ${CC} ${CXXFLAGS} -bundle -o test.bundle bundle.cxx
+ ${CXX} ${CXXFLAGS} -bundle -o test.bundle bundle.cxx
clean:
${RM} ${RMFLAGS} *~ main test.bundle
diff --git a/unit-tests/test-cases/dlclose-dylib-unload/Makefile b/unit-tests/test-cases/dlclose-dylib-unload/Makefile
deleted file mode 100644
index 2597b53..0000000
--- a/unit-tests/test-cases/dlclose-dylib-unload/Makefile
+++ /dev/null
@@ -1,44 +0,0 @@
-##
-# Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
-#
-# @APPLE_LICENSE_HEADER_START@
-#
-# This file contains Original Code and/or Modifications of Original Code
-# as defined in and that are subject to the Apple Public Source License
-# Version 2.0 (the 'License'). You may not use this file except in
-# compliance with the License. Please obtain a copy of the License at
-# http://www.opensource.apple.com/apsl/ and read it before using this
-# file.
-#
-# The Original Code and all software distributed under the License are
-# distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
-# EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
-# INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
-# Please see the License for the specific language governing rights and
-# limitations under the License.
-#
-# @APPLE_LICENSE_HEADER_END@
-##
-TESTROOT = ../..
-include ${TESTROOT}/include/common.makefile
-
-run: all
- ./main
-
-all: main libfoo.dylib
-
-main : main.c libbar.dylib
- ${CC} ${CCFLAGS} -I${TESTROOT}/include main.c libbar.dylib -o main
-
-
-libfoo.dylib : foo.c
- ${CC} ${CCFLAGS} -dynamiclib foo.c -o libfoo.dylib
-
-libbar.dylib : bar.c
- ${CC} ${CCFLAGS} -dynamiclib bar.c -o libbar.dylib
-
-
-clean:
- ${RM} ${RMFLAGS} *~ main libfoo.dylib libbar.dylib
-
diff --git a/unit-tests/test-cases/dlclose-dylib-unload/main.c b/unit-tests/test-cases/dlclose-dylib-unload/main.c
deleted file mode 100644
index 5e48c00..0000000
--- a/unit-tests/test-cases/dlclose-dylib-unload/main.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-#include <stdio.h> // fprintf(), NULL
-#include <stdlib.h> // exit(), EXIT_SUCCESS
-#include <dlfcn.h>
-
-#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
-
-
-
-
-
-void verifyfoo()
-{
- // open same dylib three times
- void* handle1 = dlopen("libfoo.dylib", RTLD_LAZY);
- if ( handle1 == NULL ) {
- FAIL("dlclose-dylib-unload: dlopen(\"libfoo.dylib\", RTLD_LAZY) failed with dlerror()=%s", dlerror());
- exit(0);
- }
-
- void* handle2 = dlopen("libfoo.dylib", RTLD_LAZY);
- if ( handle2 == NULL ) {
- FAIL("dlclose-dylib-unload: dlopen(\"libfoo.dylib\", RTLD_LAZY) failed with dlerror()=%s", dlerror());
- exit(0);
- }
-
- void* handle3 = dlopen("libfoo.dylib", RTLD_LAZY);
- if ( handle3 == NULL ) {
- FAIL("dlclose-dylib-unload: dlopen(\"libfoo.dylib\", RTLD_LAZY) failed with dlerror()=%s", dlerror());
- exit(0);
- }
-
- // get symbol
- void* sym = dlsym(handle1, "foo");
- if ( sym == NULL ) {
- FAIL("dlclose-dylib-unload: dlsym(handle1, \"foo\") failed");
- exit(0);
- }
-
- // close same bundle three times
- if ( dlclose(handle3) != 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(handle3) != 0, dlerrr()=%s", dlerror());
- exit(0);
- }
-
- if ( dlclose(handle2) != 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(handle2) != 0, dlerrr()=%s", dlerror());
- exit(0);
- }
-
- if ( dlclose(handle1) != 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(handle1) != 0, dlerrr()=%s", dlerror());
- exit(0);
- }
-
- // symbol foo should no longer be accessible via dladdr()
- Dl_info info;
- if ( dladdr(sym, &info) != 0 ) {
- FAIL("dlclose-dylib-unload: dladdr(foo_sym) != 0, but should have failed");
- //exit(0);
- }
-
- // extra close should fail
- if ( dlclose(handle1) == 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(foo_handle4) == 0, but should have failed");
- //exit(0);
- }
-
-}
-
-
-
-void verifybar()
-{
- // open same dylib three times
- void* handle1 = dlopen("libbar.dylib", RTLD_LAZY);
- if ( handle1 == NULL ) {
- FAIL("dlclose-dylib-unload: dlopen(\"libbar.dylib\", RTLD_LAZY) failed with dlerror()=%s", dlerror());
- exit(0);
- }
-
- void* handle2 = dlopen("libbar.dylib", RTLD_LAZY);
- if ( handle2 == NULL ) {
- FAIL("dlclose-dylib-unload: dlopen(\"libbar.dylib\", RTLD_LAZY) failed with dlerror()=%s", dlerror());
- exit(0);
- }
-
- void* handle3 = dlopen("libbar.dylib", RTLD_LAZY);
- if ( handle3 == NULL ) {
- FAIL("dlclose-dylib-unload: dlopen(\"libbar.dylib\", RTLD_LAZY) failed with dlerror()=%s", dlerror());
- exit(0);
- }
-
- // get symbol
- void* sym = dlsym(handle1, "bar");
- if ( sym == NULL ) {
- FAIL("dlclose-dylib-unload: dlsym(handle1, \"bar\") failed");
- exit(0);
- }
-
- // close same bundle three times
- if ( dlclose(handle3) != 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(handle3) != 0, dlerrr()=%s", dlerror());
- exit(0);
- }
-
- if ( dlclose(handle2) != 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(handle2) != 0, dlerrr()=%s", dlerror());
- exit(0);
- }
-
- if ( dlclose(handle1) != 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(handle1) != 0, dlerrr()=%s", dlerror());
- exit(0);
- }
-
- // symbol bar should still longer be accessible via dladdr() because of external reference to libbar.dylib
- Dl_info info;
- if ( dladdr(sym, &info) == 0 ) {
- FAIL("dlclose-dylib-unload: dladdr(bar_sym) == 0, but should have succeeded");
- exit(0);
- }
-
- // extra close should fail
- if ( dlclose(handle1) == 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(bar_handle4) == 0, but should have failed");
- exit(0);
- }
-}
-
-
-// verify libbar.dylib can be loaded and unloaded
-// verify libbar.dylib can be loaded, but cannot be unloaded (because main executable links against it)
-int main()
-{
- verifyfoo();
- verifybar();
-
- PASS("dlclose-dylib-unload");
- return EXIT_SUCCESS;
-}
diff --git a/unit-tests/test-cases/dlerror-clear/Makefile b/unit-tests/test-cases/dlerror-clear/Makefile
deleted file mode 100644
index 7337131..0000000
--- a/unit-tests/test-cases/dlerror-clear/Makefile
+++ /dev/null
@@ -1,38 +0,0 @@
-##
-# Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
-#
-# @APPLE_LICENSE_HEADER_START@
-#
-# This file contains Original Code and/or Modifications of Original Code
-# as defined in and that are subject to the Apple Public Source License
-# Version 2.0 (the 'License'). You may not use this file except in
-# compliance with the License. Please obtain a copy of the License at
-# http://www.opensource.apple.com/apsl/ and read it before using this
-# file.
-#
-# The Original Code and all software distributed under the License are
-# distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
-# EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
-# INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
-# Please see the License for the specific language governing rights and
-# limitations under the License.
-#
-# @APPLE_LICENSE_HEADER_END@
-##
-TESTROOT = ../..
-include ${TESTROOT}/include/common.makefile
-
-run: all
- ./main
-
-all: main
-
-main : main.c
- ${CC} ${CCFLAGS} -I${TESTROOT}/include -o main main.c
-
-
-
-clean:
- ${RM} ${RMFLAGS} *~ main
-
diff --git a/unit-tests/test-cases/dlerror-clear/main.c b/unit-tests/test-cases/dlerror-clear/main.c
deleted file mode 100644
index f70cc86..0000000
--- a/unit-tests/test-cases/dlerror-clear/main.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-#include <stdio.h> // fprintf(), NULL
-#include <stdlib.h> // exit(), EXIT_SUCCESS
-#include <string.h>
-#include <dlfcn.h>
-#include <pthread.h>
-
-#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
-
-
-///
-/// This tests that the dlerror message is cleared when dlerror is called
-///
-
-int main()
-{
- // try to non-existent library
- void* handle1 = dlopen("frobulite", RTLD_LAZY);
- if ( handle1 != NULL ) {
- FAIL("dlerror-clear: dlopen(\"frobulite\", RTLD_LAZY) succeeded but should have failed");
- exit(0);
- }
-
- // verify there is an error message
- const char* msg = dlerror();
- if ( msg == NULL ) {
- FAIL("dlerror-clear: dlerror() returned NULL but should have returned an error message");
- exit(0);
- }
-
- // verify error message was cleared
- const char* msg2 = dlerror();
- if ( msg2 != NULL ) {
- FAIL("dlerror-clear: dlerror() returned message but should have returned NULL");
- exit(0);
- }
-
- PASS("dlerror-clear");
- return 0;
-}
diff --git a/unit-tests/test-cases/dlerror/main.c b/unit-tests/test-cases/dlerror/main.c
deleted file mode 100644
index 808dc56..0000000
--- a/unit-tests/test-cases/dlerror/main.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-#include <stdio.h> // fprintf(), NULL
-#include <stdlib.h> // exit(), EXIT_SUCCESS
-#include <string.h>
-#include <dlfcn.h>
-#include <pthread.h>
-
-#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
-
-
-///
-/// This tests that the dlerror message is kept per thread
-///
-
-static void* work(void* arg)
-{
- const char* str = (char*)arg;
- for(int i=0; i < 1000; ++i) {
- //fprintf(stderr, "dlopen(%s)\n", str);
- void* handle = dlopen(str, RTLD_LAZY);
- if ( handle != NULL ) {
- FAIL("dlopen(%s) unexpectedly succeeded", str);
- exit(0);
- }
- char* msg = dlerror();
- //fprintf(stderr, "dlopen(%s) => %s\n", str, msg);
- if ( (msg == NULL) || (strstr(msg, str) == NULL) ) {
- FAIL("dlerror() did not contain library name that could not be loaded", str);
- exit(0);
- }
-
-
- }
- return 0;
-}
-
-
-
-int main()
-{
- dlsym(RTLD_DEFAULT, "foobar");
- fprintf(stderr, "%s\n", dlerror());
-
- pthread_t worker1;
- if ( pthread_create(&worker1, NULL, work, "/frazzle/bar") != 0 ) {
- FAIL("pthread_create failed");
- exit(0);
- }
-
- pthread_t worker2;
- if ( pthread_create(&worker2, NULL, work, "/frazzle/foo") != 0 ) {
- FAIL("pthread_create failed");
- exit(0);
- }
-
- pthread_t worker3;
- if ( pthread_create(&worker3, NULL, work, "/frazzle/dazzle") != 0 ) {
- FAIL("pthread_create failed");
- exit(0);
- }
-
- void* result;
- fprintf(stderr, "waiting for worker 1\n");
- pthread_join(worker1, &result);
- fprintf(stderr, "waiting for worker 2\n");
- pthread_join(worker2, &result);
- fprintf(stderr, "waiting for worker 3\n");
- pthread_join(worker3, &result);
-
- PASS("dlerror-thread-test");
- return 0;
-}
diff --git a/unit-tests/test-cases/lazy-binding-reg-params/Makefile b/unit-tests/test-cases/lazy-binding-reg-params/Makefile
index 12eb337..f3037cd 100644
--- a/unit-tests/test-cases/lazy-binding-reg-params/Makefile
+++ b/unit-tests/test-cases/lazy-binding-reg-params/Makefile
@@ -23,6 +23,8 @@
TESTROOT = ../..
include ${TESTROOT}/include/common.makefile
+MACHINE = $(shell machine)
+
ifeq "-arch ppc" "$(ARCH)"
EXTRA_FLAG = -maltivec -force_cpusubtype_ALL
else
@@ -31,6 +33,12 @@ else
else
ifeq "-arch i386" "$(ARCH)"
EXTRA_FLAG = ""
+ else
+ ifeq "" "$(ARCH)"
+ ifeq "ppc970" "$(MACHINE)"
+ EXTRA_FLAG = -maltivec -force_cpusubtype_ALL
+ endif
+ endif
endif
endif
endif
diff --git a/unit-tests/test-cases/lazy-binding-reg-params/foo.h b/unit-tests/test-cases/lazy-binding-reg-params/foo.h
index 38f6da8..0072780 100644
--- a/unit-tests/test-cases/lazy-binding-reg-params/foo.h
+++ b/unit-tests/test-cases/lazy-binding-reg-params/foo.h
@@ -12,7 +12,7 @@ extern bool dofloattest(double,double,double,double,double,double,double,double,
#endif
-#if __i386__
+#if __i386__ || __x86_64__
typedef float vFloat __attribute__ ((__vector_size__ (16)));
#elif __ppc__ || __ppc64__
typedef vector float vFloat;
diff --git a/unit-tests/test-cases/lazy-binding-reg-params/main.c b/unit-tests/test-cases/lazy-binding-reg-params/main.c
index 336d2ca..44c98b2 100644
--- a/unit-tests/test-cases/lazy-binding-reg-params/main.c
+++ b/unit-tests/test-cases/lazy-binding-reg-params/main.c
@@ -48,7 +48,7 @@ static bool floattest()
{
#if __ppc__ || __ppc64__
return dofloattest(1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0,9.0,10.0,11.0,12.0,13.0);
-#elif __i386__
+#elif __i386__ || __x86_64__
return true;
#else
#error unknown architecture
diff --git a/unit-tests/test-cases/dlerror/Makefile b/unit-tests/test-cases/prebased-performance/Makefile
similarity index 66%
rename from unit-tests/test-cases/dlerror/Makefile
rename to unit-tests/test-cases/prebased-performance/Makefile
index 7337131..f895d90 100644
--- a/unit-tests/test-cases/dlerror/Makefile
+++ b/unit-tests/test-cases/prebased-performance/Makefile
@@ -1,5 +1,5 @@
##
-# Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
+# Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
#
# @APPLE_LICENSE_HEADER_START@
#
@@ -23,16 +23,30 @@
TESTROOT = ../..
include ${TESTROOT}/include/common.makefile
+DYLIB_BASES_ADDRESS = 0x10000000
+
+ifeq "-arch ppc64" "$(ARCH)"
+ DYLIB_BASES_ADDRESS = 0x300000000
+else
+ ifeq "-arch x86_64" "$(ARCH)"
+ DYLIB_BASES_ADDRESS = 0x300000000
+ endif
+endif
+
+
+
run: all
./main
all: main
-main : main.c
- ${CC} ${CCFLAGS} -I${TESTROOT}/include -o main main.c
+main: main.c libfoo.dylib
+ ${CC} ${CCFLAGS} -I${TESTROOT}/include -o main main.c libfoo.dylib
+libfoo.dylib: foo.c
+ ${CC} ${CCFLAGS} -dynamiclib -o libfoo.dylib foo.c -seg1addr ${DYLIB_BASES_ADDRESS} -mmacosx-version-min=10.5
clean:
- ${RM} ${RMFLAGS} *~ main
+ ${RM} ${RMFLAGS} *~ main libfoo.dylib
diff --git a/unit-tests/test-cases/prebased-performance/foo.c b/unit-tests/test-cases/prebased-performance/foo.c
new file mode 100644
index 0000000..0da036f
--- /dev/null
+++ b/unit-tests/test-cases/prebased-performance/foo.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <mach/mach.h>
+
+struct page
+{
+ struct page* other;
+ char pad[4096-sizeof(void*)];
+};
+
+
+struct page p1 = { &p1 };
+struct page p2 = { &p1 };
+struct page p3 = { &p1 };
+struct page p4 = { &p1 };
+struct page p5 = { &p1 };
+struct page p6 = { &p1 };
+struct page p7 = { &p1 };
+struct page p8 = { &p1 };
+struct page p9 = { &p1 };
+struct page p10 = { &p1 };
+
+//
+// This dylib has 10 pages of data and each page will be adjusted
+// by dyld if this dylib is not loaded at its preferred address.
+//
+bool checkRebasing()
+{
+ int dirtyPageCount = 0;
+ vm_address_t start = (((uintptr_t)&p1) + 4095) & (-4096);
+ vm_address_t end = (((uintptr_t)&p10) + 4095) & (-4096);
+ task_port_t task;
+ task_for_pid(mach_task_self(), getpid(), &task);
+
+ for (vm_address_t addr = start; addr < end; addr += 4096) {
+ integer_t disposition = 0;
+ integer_t ref_count = 0;
+ vm_map_page_query(task, start, &disposition, &ref_count);
+ if ( disposition & VM_PAGE_QUERY_PAGE_DIRTY )
+ ++dirtyPageCount;
+ }
+
+ // if there are too many dirty pages, then dyld is inefficient
+ return ( dirtyPageCount < 2 );
+}
+
+
+
+
+
diff --git a/unit-tests/test-cases/dlclose-dylib-unload/foo.c b/unit-tests/test-cases/prebased-performance/main.c
similarity index 69%
rename from unit-tests/test-cases/dlclose-dylib-unload/foo.c
rename to unit-tests/test-cases/prebased-performance/main.c
index 81f7dcf..98fe608 100644
--- a/unit-tests/test-cases/dlclose-dylib-unload/foo.c
+++ b/unit-tests/test-cases/prebased-performance/main.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
@@ -20,9 +20,19 @@
*
* @APPLE_LICENSE_HEADER_END@
*/
+#include <stdio.h> // fprintf(), NULL
+#include <stdlib.h> // exit(), EXIT_SUCCESS
+#include <stdbool.h>
+#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
-int foo()
+extern bool checkRebasing();
+
+int main(int argc, const char* argv[])
{
- return 10;
+ if ( checkRebasing() )
+ PASS("prebased-performance");
+ else
+ FAIL("prebased-performance");
+ return EXIT_SUCCESS;
}
--
2.47.2