Index: third_party/crashpad/crashpad/snapshot/win/cpu_context_win_test.cc |
diff --git a/third_party/crashpad/crashpad/snapshot/win/cpu_context_win_test.cc b/third_party/crashpad/crashpad/snapshot/win/cpu_context_win_test.cc |
index 0c7484b7c0e1ab551ba7abc9ba7b949cd3d75b30..b2e6aae547c57f701a8514dc0b92a88ab4bb269a 100644 |
--- a/third_party/crashpad/crashpad/snapshot/win/cpu_context_win_test.cc |
+++ b/third_party/crashpad/crashpad/snapshot/win/cpu_context_win_test.cc |
@@ -16,14 +16,92 @@ |
#include <windows.h> |
+#include "base/macros.h" |
#include "build/build_config.h" |
#include "gtest/gtest.h" |
+#include "test/hex_string.h" |
#include "snapshot/cpu_context.h" |
namespace crashpad { |
namespace test { |
namespace { |
+template <typename T> |
+void TestInitializeX86Context() { |
+ T context = {0}; |
+ context.ContextFlags = WOW64_CONTEXT_INTEGER | |
+ WOW64_CONTEXT_DEBUG_REGISTERS | |
+ WOW64_CONTEXT_EXTENDED_REGISTERS; |
+ context.Eax = 1; |
+ context.Dr0 = 3; |
+ context.ExtendedRegisters[4] = 2; // FTW |
+ |
+ // Test the simple case, where everything in the CPUContextX86 argument is set |
+ // directly from the supplied thread, float, and debug state parameters. |
+ { |
+ CPUContextX86 cpu_context_x86 = {}; |
+ InitializeX86Context(context, &cpu_context_x86); |
+ EXPECT_EQ(1u, cpu_context_x86.eax); |
+ EXPECT_EQ(2u, cpu_context_x86.fxsave.ftw); |
+ EXPECT_EQ(3u, cpu_context_x86.dr0); |
+ } |
+} |
+ |
+template <typename T> |
+void TestInitializeX86Context_FsaveWithoutFxsave() { |
+ T context = {0}; |
+ context.ContextFlags = WOW64_CONTEXT_INTEGER | |
+ WOW64_CONTEXT_FLOATING_POINT | |
+ WOW64_CONTEXT_DEBUG_REGISTERS; |
+ context.Eax = 1; |
+ |
+ // In fields that are wider than they need to be, set the high bits to ensure |
+ // that they’re masked off appropriately in the output. |
+ context.FloatSave.ControlWord = 0xffff027f; |
+ context.FloatSave.StatusWord = 0xffff0004; |
+ context.FloatSave.TagWord = 0xffffa9ff; |
+ context.FloatSave.ErrorOffset = 0x01234567; |
+ context.FloatSave.ErrorSelector = 0x0bad0003; |
+ context.FloatSave.DataOffset = 0x89abcdef; |
+ context.FloatSave.DataSelector = 0xffff0007; |
+ context.FloatSave.RegisterArea[77] = 0x80; |
+ context.FloatSave.RegisterArea[78] = 0xff; |
+ context.FloatSave.RegisterArea[79] = 0x7f; |
+ |
+ context.Dr0 = 3; |
+ |
+ { |
+ CPUContextX86 cpu_context_x86 = {}; |
+ InitializeX86Context(context, &cpu_context_x86); |
+ |
+ EXPECT_EQ(1u, cpu_context_x86.eax); |
+ |
+ EXPECT_EQ(0x027f, cpu_context_x86.fxsave.fcw); |
+ EXPECT_EQ(0x0004, cpu_context_x86.fxsave.fsw); |
+ EXPECT_EQ(0x00f0, cpu_context_x86.fxsave.ftw); |
+ EXPECT_EQ(0x0bad, cpu_context_x86.fxsave.fop); |
+ EXPECT_EQ(0x01234567, cpu_context_x86.fxsave.fpu_ip); |
+ EXPECT_EQ(0x0003, cpu_context_x86.fxsave.fpu_cs); |
+ EXPECT_EQ(0x89abcdef, cpu_context_x86.fxsave.fpu_dp); |
+ EXPECT_EQ(0x0007, cpu_context_x86.fxsave.fpu_ds); |
+ for (size_t st_mm = 0; st_mm < 7; ++st_mm) { |
+ EXPECT_EQ( |
+ std::string(arraysize(cpu_context_x86.fxsave.st_mm[st_mm].st) * 2, |
+ '0'), |
+ BytesToHexString(cpu_context_x86.fxsave.st_mm[st_mm].st, |
+ arraysize(cpu_context_x86.fxsave.st_mm[st_mm].st))) |
+ << "st_mm " << st_mm; |
+ } |
+ EXPECT_EQ("0000000000000080ff7f", |
+ BytesToHexString(cpu_context_x86.fxsave.st_mm[7].st, |
+ arraysize(cpu_context_x86.fxsave.st_mm[7].st))); |
+ |
+ EXPECT_EQ(3u, cpu_context_x86.dr0); |
+ } |
+} |
+ |
+#if defined(ARCH_CPU_X86_FAMILY) |
+ |
#if defined(ARCH_CPU_X86_64) |
TEST(CPUContextWin, InitializeX64Context) { |
@@ -45,28 +123,25 @@ TEST(CPUContextWin, InitializeX64Context) { |
} |
} |
-#else |
+#endif // ARCH_CPU_X86_64 |
TEST(CPUContextWin, InitializeX86Context) { |
- CONTEXT context = {0}; |
- context.ContextFlags = |
- CONTEXT_INTEGER | CONTEXT_EXTENDED_REGISTERS | CONTEXT_DEBUG_REGISTERS; |
- context.Eax = 1; |
- context.ExtendedRegisters[4] = 2; // FTW. |
- context.Dr0 = 3; |
+#if defined(ARCH_CPU_X86) |
+ TestInitializeX86Context<CONTEXT>(); |
+#else // ARCH_CPU_X86 |
+ TestInitializeX86Context<WOW64_CONTEXT>(); |
+#endif // ARCH_CPU_X86 |
+} |
- // Test the simple case, where everything in the CPUContextX86 argument is |
- // set directly from the supplied thread, float, and debug state parameters. |
- { |
- CPUContextX86 cpu_context_x86 = {}; |
- InitializeX86Context(context, &cpu_context_x86); |
- EXPECT_EQ(1u, cpu_context_x86.eax); |
- EXPECT_EQ(2u, cpu_context_x86.fxsave.ftw); |
- EXPECT_EQ(3u, cpu_context_x86.dr0); |
- } |
+TEST(CPUContextWin, InitializeX86Context_FsaveWithoutFxsave) { |
+#if defined(ARCH_CPU_X86) |
+ TestInitializeX86Context_FsaveWithoutFxsave<CONTEXT>(); |
+#else // ARCH_CPU_X86 |
+ TestInitializeX86Context_FsaveWithoutFxsave<WOW64_CONTEXT>(); |
+#endif // ARCH_CPU_X86 |
} |
-#endif // ARCH_CPU_X86_64 |
+#endif // ARCH_CPU_X86_FAMILY |
} // namespace |
} // namespace test |