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--- base/profiler/thread_delegate_posix.cc.orig 2021-04-14 18:40:48 UTC
+++ base/profiler/thread_delegate_posix.cc
@@ -12,6 +12,9 @@
#include "base/profiler/thread_delegate_posix.h"
#include "base/stl_util.h"
#include "build/build_config.h"
+#if defined(OS_FREEBSD)
+#include <pthread_np.h>
+#endif
#if defined(OS_ANDROID)
#include "base/files/file_util.h"
@@ -43,7 +46,12 @@ base::Optional<uintptr_t> GetAndroidMainThreadStackBas
uintptr_t GetThreadStackBaseAddressImpl(
SamplingProfilerThreadToken thread_token) {
pthread_attr_t attr;
+#if defined(OS_FREEBSD)
+ pthread_attr_init(&attr);
+ pthread_attr_get_np(thread_token.pthread_id, &attr);
+#elif defined(OS_LINUX)
pthread_getattr_np(thread_token.pthread_id, &attr);
+#endif
// See crbug.com/617730 for limitations of this approach on Linux.
void* address;
size_t size;
@@ -130,16 +138,33 @@ std::vector<uintptr_t*> ThreadDelegatePosix::GetRegist
return {
// Return the set of callee-save registers per the i386 System V ABI
// section 2.2.3, plus the stack pointer.
+#if defined(OS_FREEBSD)
+ reinterpret_cast<uintptr_t*>(&thread_context->mc_ebx),
+ reinterpret_cast<uintptr_t*>(&thread_context->mc_ebp),
+ reinterpret_cast<uintptr_t*>(&thread_context->mc_esi),
+ reinterpret_cast<uintptr_t*>(&thread_context->mc_edi),
+ reinterpret_cast<uintptr_t*>(&thread_context->mc_esp),
+#else
reinterpret_cast<uintptr_t*>(&thread_context->gregs[REG_EBX]),
reinterpret_cast<uintptr_t*>(&thread_context->gregs[REG_EBP]),
reinterpret_cast<uintptr_t*>(&thread_context->gregs[REG_ESI]),
reinterpret_cast<uintptr_t*>(&thread_context->gregs[REG_EDI]),
reinterpret_cast<uintptr_t*>(&thread_context->gregs[REG_ESP]),
+#endif
};
#elif defined(ARCH_CPU_X86_FAMILY) && defined(ARCH_CPU_64_BITS)
return {
// Return the set of callee-save registers per the x86-64 System V ABI
// section 3.2.1, plus the stack pointer.
+#if defined(OS_FREEBSD)
+ reinterpret_cast<uintptr_t*>(&thread_context->mc_rbp),
+ reinterpret_cast<uintptr_t*>(&thread_context->mc_rbx),
+ reinterpret_cast<uintptr_t*>(&thread_context->mc_r12),
+ reinterpret_cast<uintptr_t*>(&thread_context->mc_r13),
+ reinterpret_cast<uintptr_t*>(&thread_context->mc_r14),
+ reinterpret_cast<uintptr_t*>(&thread_context->mc_r15),
+ reinterpret_cast<uintptr_t*>(&thread_context->mc_rsp),
+#else
reinterpret_cast<uintptr_t*>(&thread_context->gregs[REG_RBP]),
reinterpret_cast<uintptr_t*>(&thread_context->gregs[REG_RBX]),
reinterpret_cast<uintptr_t*>(&thread_context->gregs[REG_R12]),
@@ -147,6 +172,7 @@ std::vector<uintptr_t*> ThreadDelegatePosix::GetRegist
reinterpret_cast<uintptr_t*>(&thread_context->gregs[REG_R14]),
reinterpret_cast<uintptr_t*>(&thread_context->gregs[REG_R15]),
reinterpret_cast<uintptr_t*>(&thread_context->gregs[REG_RSP]),
+#endif
};
#else // #if defined(ARCH_CPU_ARM_FAMILY) && defined(ARCH_CPU_32_BITS)
// Unimplemented for other architectures.
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