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[compiler-rt] Implements DumpAllRegisters for windows intel archs. #108688

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Oct 12, 2024
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[compiler-rt] Implements DumpAllRegisters for windows intel archs. #108688

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[compiler-rt] Implements DumpAllRegisters for windows intel archs.
devnexen Sep 14, 2024
c2617a9
add tests
devnexen Oct 12, 2024
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40 changes: 39 additions & 1 deletion compiler-rt/lib/sanitizer_common/sanitizer_win.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1039,7 +1039,45 @@ SignalContext::WriteFlag SignalContext::GetWriteFlag() const {
}

void SignalContext::DumpAllRegisters(void *context) {
// FIXME: Implement this.
CONTEXT *ctx = (CONTEXT *)context;
# if defined(__M_X64)
Report("Register values:\n");
Printf("rax = %llx ", ctx->Rax);
Printf("rbx = %llx ", ctx->Rbx);
Printf("rcx = %llx ", ctx->Rcx);
Printf("rdx = %llx ", ctx->Rdx);
Printf("\n");
Printf("rdi = %llx ", ctx->Rdi);
Printf("rsi = %llx ", ctx->Rsi);
Printf("rbp = %llx ", ctx->Rbp);
Printf("rsp = %llx ", ctx->Rsp);
Printf("\n");
Printf("r8 = %llx ", ctx->R8);
Printf("r9 = %llx ", ctx->R9);
Printf("r10 = %llx ", ctx->R10);
Printf("r11 = %llx ", ctx->R11);
Printf("\n");
Printf("r12 = %llx ", ctx->R12);
Printf("r13 = %llx ", ctx->R13);
Printf("r14 = %llx ", ctx->R14);
Printf("r15 = %llx ", ctx->R15);
Printf("\n");
# elif defined(_M_IX86)
Report("Register values:\n");
Printf("eax = %lx ", ctx->Eax);
Printf("ebx = %lx ", ctx->Ebx);
Printf("ecx = %lx ", ctx->Ecx);
Printf("edx = %lx ", ctx->Edx);
Printf("\n");
Printf("edi = %lx ", ctx->Edi);
Printf("esi = %lx ", ctx->Esi);
Printf("ebp = %lx ", ctx->Ebp);
Printf("esp = %lx ", ctx->Esp);
Printf("\n");
# else
// TODO
(void)ctx;
# endif
}

int SignalContext::GetType() const {
Expand Down
17 changes: 17 additions & 0 deletions compiler-rt/test/sanitizer_common/TestCases/Windows/dump_registers_i386.cpp
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@@ -0,0 +1,17 @@
// Check that sanitizer prints registers dump_registers on dump_registers=1
// RUN: %clangxx %s -o %t
// RUN: %env_tool_opts=dump_registers=0 not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-NODUMP --strict-whitespace
// RUN: not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-DUMP --strict-whitespace
//
// REQUIRES: i386-pc-windows-msvc

#include <windows.h>

int main() {
RaiseException(EXCEPTION_ACCESS_VIOLATION, 0, 0, NULL);
// CHECK-DUMP: Register values
// CHECK-DUMP-NEXT: eax = {{0x[0-9a-f]+}} ebx = {{0x[0-9a-f]+}} ecx = {{0x[0-9a-f]+}} edx = {{0x[0-9a-f]+}}
// CHECK-DUMP-NEXT: edi = {{0x[0-9a-f]+}} esi = {{0x[0-9a-f]+}} ebp = {{0x[0-9a-f]+}} esp = {{0x[0-9a-f]+}}
// CHECK-NODUMP-NOT: Register values
return 0;
}
19 changes: 19 additions & 0 deletions compiler-rt/test/sanitizer_common/TestCases/Windows/dump_registers_x86_64.cpp
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@@ -0,0 +1,19 @@
// Check that sanitizer prints registers dump_registers on dump_registers=1
// RUN: %clangxx %s -o %t
// RUN: %env_tool_opts=dump_registers=0 not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-NODUMP --strict-whitespace
// RUN: not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-DUMP --strict-whitespace
//
// REQUIRES: x86_64-pc-windows-msvc

#include <windows.h>

int main() {
RaiseException(EXCEPTION_ACCESS_VIOLATION, 0, 0, NULL);
// CHECK-DUMP: Register values
// CHECK-DUMP-NEXT: rax = {{0x[0-9a-f]+}} rbx = {{0x[0-9a-f]+}} rcx = {{0x[0-9a-f]+}} rdx = {{0x[0-9a-f]+}}
// CHECK-DUMP-NEXT: rdi = {{0x[0-9a-f]+}} rsi = {{0x[0-9a-f]+}} rbp = {{0x[0-9a-f]+}} rsp = {{0x[0-9a-f]+}}
// CHECK-DUMP-NEXT: r8 = {{0x[0-9a-f]+}} r9 = {{0x[0-9a-f]+}} r10 = {{0x[0-9a-f]+}} r11 = {{0x[0-9a-f]+}}
// CHECK-DUMP-NEXT: r12 = {{0x[0-9a-f]+}} r13 = {{0x[0-9a-f]+}} r14 = {{0x[0-9a-f]+}} r15 = {{0x[0-9a-f]+}}
// CHECK-NODUMP-NOT: Register values
return 0;
}
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