X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/6d2010ae8f7a6078e10b361c6962983bab233e0f..7e41aa883dd258f888d0470250eead40a53ef1f5:/libsyscall/custom/SYS.h diff --git a/libsyscall/custom/SYS.h b/libsyscall/custom/SYS.h index a16f358d8..46e3735d9 100644 --- a/libsyscall/custom/SYS.h +++ b/libsyscall/custom/SYS.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999-2007 Apple Inc. All rights reserved. + * Copyright (c) 1999-2011 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * @@ -48,6 +48,8 @@ #include +/* Binary compatibility stubs for syscalls that no longer exist */ + #ifndef SYS_setquota #define SYS_setquota 148 #endif @@ -68,58 +70,61 @@ #define UNIX_SYSCALL_SYSENTER call __sysenter_trap #define UNIX_SYSCALL(name, nargs) \ - .globl cerror ;\ + .globl tramp_cerror ;\ LEAF(_##name, 0) ;\ movl $ SYS_##name, %eax ;\ UNIX_SYSCALL_SYSENTER ;\ jnb 2f ;\ - BRANCH_EXTERN(cerror) ;\ + BRANCH_EXTERN(tramp_cerror) ;\ 2: #define UNIX_SYSCALL_INT(name, nargs) \ - .globl cerror ;\ + .globl tramp_cerror ;\ LEAF(_##name, 0) ;\ movl $ SYS_##name, %eax ;\ UNIX_SYSCALL_TRAP ;\ jnb 2f ;\ - BRANCH_EXTERN(cerror) ;\ + BRANCH_EXTERN(tramp_cerror) ;\ 2: #if defined(__SYSCALL_32BIT_ARG_BYTES) && ((__SYSCALL_32BIT_ARG_BYTES >= 4) && (__SYSCALL_32BIT_ARG_BYTES <= 20)) -#define UNIX_SYSCALL_NONAME(name, nargs) \ +#define UNIX_SYSCALL_NONAME(name, nargs, cerror) \ movl $(SYS_##name | (__SYSCALL_32BIT_ARG_BYTES << I386_SYSCALL_ARG_BYTES_SHIFT)), %eax ;\ UNIX_SYSCALL_SYSENTER ;\ jnb 2f ;\ - BRANCH_EXTERN(cerror) ;\ + BRANCH_EXTERN(tramp_##cerror) ;\ 2: #else /* __SYSCALL_32BIT_ARG_BYTES < 4 || > 20 */ -#define UNIX_SYSCALL_NONAME(name, nargs) \ - .globl cerror ;\ +#define UNIX_SYSCALL_NONAME(name, nargs, cerror) \ movl $ SYS_##name, %eax ;\ UNIX_SYSCALL_SYSENTER ;\ jnb 2f ;\ - BRANCH_EXTERN(cerror) ;\ + BRANCH_EXTERN(tramp_##cerror) ;\ 2: #endif #define UNIX_SYSCALL_INT_NONAME(name, nargs) \ - .globl cerror ;\ + .globl tramp_cerror_nocancel ;\ movl $ SYS_##name, %eax ;\ UNIX_SYSCALL_TRAP ;\ jnb 2f ;\ - BRANCH_EXTERN(cerror) ;\ + BRANCH_EXTERN(tramp_cerror_nocancel) ;\ 2: -#define PSEUDO(pseudo, name, nargs) \ +#define PSEUDO(pseudo, name, nargs, cerror) \ LEAF(pseudo, 0) ;\ - UNIX_SYSCALL_NONAME(name, nargs) + UNIX_SYSCALL_NONAME(name, nargs, cerror) -#define PSEUDO_INT(pseudo, name, nargs) \ +#define PSEUDO_INT(pseudo, name, nargs) \ LEAF(pseudo, 0) ;\ UNIX_SYSCALL_INT_NONAME(name, nargs) +#define __SYSCALL2(pseudo, name, nargs, cerror) \ + PSEUDO(pseudo, name, nargs, cerror) ;\ + ret + #define __SYSCALL(pseudo, name, nargs) \ - PSEUDO(pseudo, name, nargs) ;\ + PSEUDO(pseudo, name, nargs, cerror) ;\ ret #define __SYSCALL_INT(pseudo, name, nargs) \ @@ -135,31 +140,38 @@ LEAF(pseudo, 0) ;\ movq %rcx, %r10 ;\ syscall -#define UNIX_SYSCALL(name, nargs) \ - .globl cerror ;\ -LEAF(_##name, 0) ;\ - movl $ SYSCALL_CONSTRUCT_UNIX(SYS_##name), %eax ;\ - UNIX_SYSCALL_SYSCALL ;\ - jnb 2f ;\ - BRANCH_EXTERN(cerror) ;\ +#define UNIX_SYSCALL(name, nargs) \ + .globl cerror ;\ +LEAF(_##name, 0) ;\ + movl $ SYSCALL_CONSTRUCT_UNIX(SYS_##name), %eax ;\ + UNIX_SYSCALL_SYSCALL ;\ + jnb 2f ;\ + movq %rax, %rdi ;\ + BRANCH_EXTERN(_cerror) ;\ 2: -#define UNIX_SYSCALL_NONAME(name, nargs) \ - .globl cerror ;\ - movl $ SYSCALL_CONSTRUCT_UNIX(SYS_##name), %eax ;\ - UNIX_SYSCALL_SYSCALL ;\ - jnb 2f ;\ - BRANCH_EXTERN(cerror) ;\ +#define UNIX_SYSCALL_NONAME(name, nargs, cerror) \ + .globl cerror ;\ + movl $ SYSCALL_CONSTRUCT_UNIX(SYS_##name), %eax ;\ + UNIX_SYSCALL_SYSCALL ;\ + jnb 2f ;\ + movq %rax, %rdi ;\ + BRANCH_EXTERN(_##cerror) ;\ 2: -#define PSEUDO(pseudo, name, nargs) \ +#define PSEUDO(pseudo, name, nargs, cerror) \ LEAF(pseudo, 0) ;\ - UNIX_SYSCALL_NONAME(name, nargs) + UNIX_SYSCALL_NONAME(name, nargs, cerror) + +#define __SYSCALL2(pseudo, name, nargs, cerror) \ + PSEUDO(pseudo, name, nargs, cerror) ;\ + ret #define __SYSCALL(pseudo, name, nargs) \ - PSEUDO(pseudo, name, nargs) ;\ + PSEUDO(pseudo, name, nargs, cerror) ;\ ret #else #error Unsupported architecture #endif +