* Copyright (c) 2015 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_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
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* 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,
* 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_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <mach/mach.h>
kern_return_t
thread_get_register_pointer_values(thread_t thread, uintptr_t *sp, size_t *length, uintptr_t *values)
{
- if (!length) return KERN_INVALID_ARGUMENT;
- if (*length > 0 && values == NULL) return KERN_INVALID_ARGUMENT;
+ if (!length) {
+ return KERN_INVALID_ARGUMENT;
+ }
+ if (*length > 0 && values == NULL) {
+ return KERN_INVALID_ARGUMENT;
+ }
- size_t in_length = *length;
- size_t out_length = 0;
+ size_t in_length = *length;
+ size_t out_length = 0;
#if defined(__i386__)
- i386_thread_state_t state = {};
- thread_state_flavor_t flavor = x86_THREAD_STATE32;
- mach_msg_type_number_t count = i386_THREAD_STATE_COUNT;
+ i386_thread_state_t state = {};
+ thread_state_flavor_t flavor = x86_THREAD_STATE32;
+ mach_msg_type_number_t count = i386_THREAD_STATE_COUNT;
#elif defined(__x86_64__)
- x86_thread_state64_t state = {};
- thread_state_flavor_t flavor = x86_THREAD_STATE64;
- mach_msg_type_number_t count = x86_THREAD_STATE64_COUNT;
+ x86_thread_state64_t state = {};
+ thread_state_flavor_t flavor = x86_THREAD_STATE64;
+ mach_msg_type_number_t count = x86_THREAD_STATE64_COUNT;
#elif defined(__arm__)
- arm_thread_state_t state = {};
- thread_state_flavor_t flavor = ARM_THREAD_STATE;
- mach_msg_type_number_t count = ARM_THREAD_STATE_COUNT;
+ arm_thread_state_t state = {};
+ thread_state_flavor_t flavor = ARM_THREAD_STATE;
+ mach_msg_type_number_t count = ARM_THREAD_STATE_COUNT;
#elif defined(__arm64__)
- arm_thread_state64_t state = {};
- thread_state_flavor_t flavor = ARM_THREAD_STATE64;
- mach_msg_type_number_t count = ARM_THREAD_STATE64_COUNT;
+ arm_thread_state64_t state = {};
+ thread_state_flavor_t flavor = ARM_THREAD_STATE64;
+ mach_msg_type_number_t count = ARM_THREAD_STATE64_COUNT;
#else
#error thread_get_register_pointer_values not defined for this architecture
#endif
- kern_return_t ret = thread_get_state(thread, flavor, (thread_state_t)&state, &count);
- if (ret != KERN_SUCCESS){
- return ret;
- }
+ kern_return_t ret = thread_get_state(thread, flavor, (thread_state_t)&state, &count);
+ if (ret != KERN_SUCCESS) {
+ return ret;
+ }
- // If the provided pointer value is > PAGE_SIZE, add it to the output array
- // if there's available space. (Values between 0 and PAGE_SIZE are the NULL page
- // and not valid pointers.)
+ // If the provided pointer value is > PAGE_SIZE, add it to the output array
+ // if there's available space. (Values between 0 and PAGE_SIZE are the NULL page
+ // and not valid pointers.)
#define push_register_value(p) do { \
if ((uintptr_t)p > PAGE_SIZE) { \
- if (out_length < in_length && values) \
- values[out_length] = p; \
- out_length++; \
+ if (out_length < in_length && values) \
+ values[out_length] = p; \
+ out_length++; \
} } while (0)
#if defined(__i386__)
- if (sp) *sp = state.__esp;
-
- push_register_value(state.__eip);
-
- push_register_value(state.__eax);
- push_register_value(state.__ebx);
- push_register_value(state.__ecx);
- push_register_value(state.__edx);
- push_register_value(state.__edi);
- push_register_value(state.__esi);
- push_register_value(state.__ebp);
+ if (sp) {
+ *sp = state.__esp;
+ }
+
+ push_register_value(state.__eax);
+ push_register_value(state.__ebx);
+ push_register_value(state.__ecx);
+ push_register_value(state.__edx);
+ push_register_value(state.__edi);
+ push_register_value(state.__esi);
+ push_register_value(state.__ebp);
#elif defined(__x86_64__)
- if (sp) {
- if (state.__rsp > 128)
- *sp = state.__rsp - 128 /* redzone */;
- else
- *sp = 0;
- }
-
- push_register_value(state.__rip);
-
- push_register_value(state.__rax);
- push_register_value(state.__rbx);
- push_register_value(state.__rcx);
- push_register_value(state.__rdx);
- push_register_value(state.__rdi);
- push_register_value(state.__rbp);
- push_register_value(state.__r8);
- push_register_value(state.__r9);
- push_register_value(state.__r10);
- push_register_value(state.__r11);
- push_register_value(state.__r12);
- push_register_value(state.__r13);
- push_register_value(state.__r14);
- push_register_value(state.__r15);
+ if (sp) {
+ if (state.__rsp > 128) {
+ *sp = state.__rsp - 128 /* redzone */;
+ } else {
+ *sp = 0;
+ }
+ }
+
+ push_register_value(state.__rax);
+ push_register_value(state.__rbx);
+ push_register_value(state.__rcx);
+ push_register_value(state.__rdx);
+ push_register_value(state.__rdi);
+ push_register_value(state.__rbp);
+ push_register_value(state.__r8);
+ push_register_value(state.__r9);
+ push_register_value(state.__r10);
+ push_register_value(state.__r11);
+ push_register_value(state.__r12);
+ push_register_value(state.__r13);
+ push_register_value(state.__r14);
+ push_register_value(state.__r15);
#elif defined(__arm__)
- if (sp) *sp = state.__sp;
+ if (sp) {
+ *sp = state.__sp;
+ }
- push_register_value(state.__pc);
- push_register_value(state.__lr);
+ push_register_value(state.__lr);
- for (int i = 0; i < 13; i++){
- push_register_value(state.__r[i]);
- }
+ for (int i = 0; i < 13; i++) {
+ push_register_value(state.__r[i]);
+ }
#elif defined(__arm64__)
- if (sp) {
- if (state.__sp > 128)
- *sp = state.__sp - 128 /* redzone */;
- else
- *sp = 0;
- }
-
- push_register_value(state.__pc);
- push_register_value(state.__lr);
-
- for (int i = 0; i < 29; i++){
- push_register_value(state.__x[i]);
- }
+ if (sp) {
+ uintptr_t __sp = arm_thread_state64_get_sp(state);
+ if (__sp > 128) {
+ *sp = __sp - 128 /* redzone */;
+ } else {
+ *sp = 0;
+ }
+ }
+
+ push_register_value(arm_thread_state64_get_lr(state));
+
+ for (int i = 0; i < 29; i++) {
+ push_register_value(state.__x[i]);
+ }
#else
#error thread_get_register_pointer_values not defined for this architecture
#endif
- *length = out_length;
+ *length = out_length;
- if (in_length == 0 || out_length > in_length){
- return KERN_INSUFFICIENT_BUFFER_SIZE;
- }
+ if (in_length == 0 || out_length > in_length) {
+ return KERN_INSUFFICIENT_BUFFER_SIZE;
+ }
return KERN_SUCCESS;
}
projects / apple / xnu.git / blobdiff