diff options
Diffstat (limited to 'lib/xray')
-rw-r--r-- | lib/xray/CMakeLists.txt | 45 | ||||
-rw-r--r-- | lib/xray/tests/CMakeLists.txt | 37 | ||||
-rw-r--r-- | lib/xray/weak_symbols.txt | 4 | ||||
-rw-r--r-- | lib/xray/xray_init.cc | 3 | ||||
-rw-r--r-- | lib/xray/xray_trampoline_x86_64.S | 97 |
5 files changed, 59 insertions, 127 deletions
diff --git a/lib/xray/CMakeLists.txt b/lib/xray/CMakeLists.txt index 101be97d2..6d24ba8bf 100644 --- a/lib/xray/CMakeLists.txt +++ b/lib/xray/CMakeLists.txt @@ -65,53 +65,19 @@ append_list_if( append_list_if( COMPILER_RT_BUILD_XRAY_NO_PREINIT XRAY_NO_PREINIT XRAY_COMMON_DEFINITIONS) +add_compiler_rt_object_libraries(RTXray + ARCHS ${XRAY_SUPPORTED_ARCH} + SOURCES ${XRAY_SOURCES} CFLAGS ${XRAY_CFLAGS} + DEFS ${XRAY_COMMON_DEFINITIONS}) + add_compiler_rt_component(xray) set(XRAY_COMMON_RUNTIME_OBJECT_LIBS - RTXray RTSanitizerCommon RTSanitizerCommonLibc) -if (APPLE) - set(XRAY_LINK_LIBS ${SANITIZER_COMMON_LINK_LIBS}) - set(XRAY_ASM_SOURCES xray_trampoline_x86_64.S) - - if (${CMAKE_GENERATOR} STREQUAL "Xcode") - enable_language(ASM) - else() - set_source_files_properties(${XRAY_ASM_SOURCES} PROPERTIES LANGUAGE C) - endif() - - add_weak_symbols("sanitizer_common" WEAK_SYMBOL_LINK_FLAGS) - add_weak_symbols("xray" WEAK_SYMBOL_LINK_FLAGS) - - add_compiler_rt_object_libraries(RTXray - OS ${XRAY_SUPPORTED_OS} - ARCHS ${XRAY_SUPPORTED_ARCH} - SOURCES ${x86_64_SOURCES} - CFLAGS ${XRAY_CFLAGS} - DEFS ${XRAY_COMMON_DEFINITIONS}) - - # We only support running on osx for now. - add_compiler_rt_runtime(clang_rt.xray - STATIC - OS ${XRAY_SUPPORTED_OS} - ARCHS ${XRAY_SUPPORTED_ARCH} - OBJECT_LIBS RTXray - RTSanitizerCommon - RTSanitizerCommonLibc - CFLAGS ${XRAY_CFLAGS} - DEFS ${XRAY_COMMON_DEFINITIONS} - LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS} ${WEAK_SYMBOL_LINK_FLAGS} - LINK_LIBS ${XRAY_LINK_LIBS} - PARENT_TARGET xray) -else() foreach(arch ${XRAY_SUPPORTED_ARCH}) if(CAN_TARGET_${arch}) - add_compiler_rt_object_libraries(RTXray - ARCHS ${XRAY_SUPPORTED_ARCH} - SOURCES ${XRAY_SOURCES} CFLAGS ${XRAY_CFLAGS} - DEFS ${XRAY_COMMON_DEFINITIONS}) add_compiler_rt_runtime(clang_rt.xray STATIC ARCHS ${arch} @@ -122,7 +88,6 @@ foreach(arch ${XRAY_SUPPORTED_ARCH}) PARENT_TARGET xray) endif() endforeach() -endif() if(COMPILER_RT_INCLUDE_TESTS) add_subdirectory(tests) diff --git a/lib/xray/tests/CMakeLists.txt b/lib/xray/tests/CMakeLists.txt index e2640b40f..e54e63f27 100644 --- a/lib/xray/tests/CMakeLists.txt +++ b/lib/xray/tests/CMakeLists.txt @@ -12,50 +12,21 @@ set(XRAY_UNITTEST_CFLAGS -I${COMPILER_RT_SOURCE_DIR}/lib) set(XRAY_TEST_ARCH ${XRAY_SUPPORTED_ARCH}) -set(XRAY_LINK_FLAGS) -append_list_if(COMPILER_RT_HAS_LIBRT -lrt XRAY_LINK_FLAGS) -append_list_if(COMPILER_RT_HAS_LIBM -lm XRAY_LINK_FLAGS) -append_list_if(COMPILER_RT_HAS_LIBPTHREAD -lpthread XRAY_LINK_FLAGS) - -if (APPLE) - list(APPEND XRAY_LINK_FLAGS -lc++) - list(APPEND XRAY_LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS}) - set(XRAY_TEST_RUNTIME_OBJECTS - $<TARGET_OBJECTS:RTSanitizerCommon.osx> - $<TARGET_OBJECTS:RTSanitizerCommonLibc.osx> - $<TARGET_OBJECTS:RTXray.osx>) - set(XRAY_TEST_RUNTIME RTXRayTest) - add_library(${XRAY_TEST_RUNTIME} STATIC ${XRAY_TEST_RUNTIME_OBJECTS}) - set_target_properties(${XRAY_TEST_RUNTIME} PROPERTIES - ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} - FOLDER "Compiler-RT Runtime tests") - - darwin_filter_host_archs(XRAY_SUPPORTED_ARCH XRAY_TEST_ARCH) - list(APPEND XRAY_UNITTEST_CFLAGS ${DARWIN_osx_CFLAGS}) - list(APPEND XRAY_LINK_FLAGS "-lc++") - list(APPEND XRAY_LINK_FLAGS "-fxray-instrument") - add_weak_symbols("sanitizer_common" XRAY_LINK_FLAGS) - add_weak_symbols("xray" XRAY_LINK_FLAGS) -else() - append_list_if(COMPILER_RT_HAS_LIBSTDCXX lstdc++ XRAY_LINK_FLAGS) -endif() - macro(add_xray_unittest testname) cmake_parse_arguments(TEST "" "" "SOURCES;HEADERS" ${ARGN}) - if(UNIX) + if(UNIX AND NOT APPLE) foreach(arch ${XRAY_TEST_ARCH}) set(TEST_OBJECTS) generate_compiler_rt_tests(TEST_OBJECTS XRayUnitTests "${testname}-${arch}-Test" "${arch}" SOURCES ${TEST_SOURCES} ${COMPILER_RT_GTEST_SOURCE} - RUNTIME ${XRAY_TEST_RUNTIME} - COMPILE_DEPS ${TEST_HEADERS} DEPS gtest xray llvm-xray CFLAGS ${XRAY_UNITTEST_CFLAGS} LINK_FLAGS -fxray-instrument ${TARGET_LINK_FLAGS} - ${CMAKE_THREAD_LIBS_INIT} - ${XRAY_LINK_FLAGS}) + -lstdc++ -lm ${CMAKE_THREAD_LIBS_INIT} + -lpthread + -ldl -lrt) set_target_properties(XRayUnitTests PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}) endforeach() endif() diff --git a/lib/xray/weak_symbols.txt b/lib/xray/weak_symbols.txt deleted file mode 100644 index 963fff2d6..000000000 --- a/lib/xray/weak_symbols.txt +++ /dev/null @@ -1,4 +0,0 @@ -___start_xray_fn_idx -___start_xray_instr_map -___stop_xray_fn_idx -___stop_xray_instr_map diff --git a/lib/xray/xray_init.cc b/lib/xray/xray_init.cc index 864e77944..07f692431 100644 --- a/lib/xray/xray_init.cc +++ b/lib/xray/xray_init.cc @@ -88,8 +88,7 @@ void __xray_init() XRAY_NEVER_INSTRUMENT { #endif } -// Only add the preinit array initialization if the sanitizers can. -#if !defined(XRAY_NO_PREINIT) && SANITIZER_CAN_USE_PREINIT_ARRAY +#ifndef XRAY_NO_PREINIT __attribute__((section(".preinit_array"), used)) void (*__local_xray_preinit)(void) = __xray_init; #endif diff --git a/lib/xray/xray_trampoline_x86_64.S b/lib/xray/xray_trampoline_x86_64.S index bf8ca75ca..ffbfb5c7e 100644 --- a/lib/xray/xray_trampoline_x86_64.S +++ b/lib/xray/xray_trampoline_x86_64.S @@ -14,13 +14,10 @@ //===----------------------------------------------------------------------===// #include "../builtins/assembly.h" -#include "../sanitizer_common/sanitizer_asm.h" - - .macro SAVE_REGISTERS subq $192, %rsp - CFI_DEF_CFA_OFFSET(200) + .cfi_def_cfa_offset 200 // At this point, the stack pointer should be aligned to an 8-byte boundary, // because any call instructions that come after this will add another 8 // bytes and therefore align it to 16-bytes. @@ -60,28 +57,25 @@ movq 8(%rsp), %r8 movq 0(%rsp), %r9 addq $192, %rsp - CFI_DEF_CFA_OFFSET(8) + .cfi_def_cfa_offset 8 .endm -#if !defined(__APPLE__) - .section .text -#else - .section __TEXT,__text -#endif + .text .file "xray_trampoline_x86.S" //===----------------------------------------------------------------------===// - .globl ASM_TSAN_SYMBOL(__xray_FunctionEntry) + .globl __xray_FunctionEntry .align 16, 0x90 - ASM_TYPE_FUNCTION(__xray_FunctionEntry) -ASM_TSAN_SYMBOL(__xray_FunctionEntry): - CFI_STARTPROC + .type __xray_FunctionEntry,@function + +__xray_FunctionEntry: + .cfi_startproc SAVE_REGISTERS // This load has to be atomic, it's concurrent with __xray_patch(). // On x86/amd64, a simple (type-aligned) MOV instruction is enough. - movq ASM_TSAN_SYMBOL(_ZN6__xray19XRayPatchedFunctionE)(%rip), %rax + movq _ZN6__xray19XRayPatchedFunctionE(%rip), %rax testq %rax, %rax je .Ltmp0 @@ -92,27 +86,28 @@ ASM_TSAN_SYMBOL(__xray_FunctionEntry): .Ltmp0: RESTORE_REGISTERS retq - ASM_SIZE(__xray_FunctionEntry) - CFI_ENDPROC +.Ltmp1: + .size __xray_FunctionEntry, .Ltmp1-__xray_FunctionEntry + .cfi_endproc //===----------------------------------------------------------------------===// - .globl ASM_TSAN_SYMBOL(__xray_FunctionExit) + .globl __xray_FunctionExit .align 16, 0x90 - ASM_TYPE_FUNCTION(__xray_FunctionExit) -ASM_TSAN_SYMBOL(__xray_FunctionExit): - CFI_STARTPROC + .type __xray_FunctionExit,@function +__xray_FunctionExit: + .cfi_startproc // Save the important registers first. Since we're assuming that this // function is only jumped into, we only preserve the registers for // returning. subq $56, %rsp - CFI_DEF_CFA_OFFSET(64) + .cfi_def_cfa_offset 64 movq %rbp, 48(%rsp) movupd %xmm0, 32(%rsp) movupd %xmm1, 16(%rsp) movq %rax, 8(%rsp) movq %rdx, 0(%rsp) - movq ASM_TSAN_SYMBOL(_ZN6__xray19XRayPatchedFunctionE)(%rip), %rax + movq _ZN6__xray19XRayPatchedFunctionE(%rip), %rax testq %rax,%rax je .Ltmp2 @@ -127,21 +122,22 @@ ASM_TSAN_SYMBOL(__xray_FunctionExit): movq 8(%rsp), %rax movq 0(%rsp), %rdx addq $56, %rsp - CFI_DEF_CFA_OFFSET(8) + .cfi_def_cfa_offset 8 retq - ASM_SIZE(__xray_FunctionExit) - CFI_ENDPROC +.Ltmp3: + .size __xray_FunctionExit, .Ltmp3-__xray_FunctionExit + .cfi_endproc //===----------------------------------------------------------------------===// - .globl ASM_TSAN_SYMBOL(__xray_FunctionTailExit) + .global __xray_FunctionTailExit .align 16, 0x90 - ASM_TYPE_FUNCTION(__xray_FunctionTailExit) -ASM_TSAN_SYMBOL(__xray_FunctionTailExit): - CFI_STARTPROC + .type __xray_FunctionTailExit,@function +__xray_FunctionTailExit: + .cfi_startproc SAVE_REGISTERS - movq ASM_TSAN_SYMBOL(_ZN6__xray19XRayPatchedFunctionE)(%rip), %rax + movq _ZN6__xray19XRayPatchedFunctionE(%rip), %rax testq %rax,%rax je .Ltmp4 @@ -152,25 +148,26 @@ ASM_TSAN_SYMBOL(__xray_FunctionTailExit): .Ltmp4: RESTORE_REGISTERS retq - ASM_SIZE(__xray_FunctionTailExit) - CFI_ENDPROC +.Ltmp5: + .size __xray_FunctionTailExit, .Ltmp5-__xray_FunctionTailExit + .cfi_endproc //===----------------------------------------------------------------------===// - .globl ASM_TSAN_SYMBOL(__xray_ArgLoggerEntry) + .globl __xray_ArgLoggerEntry .align 16, 0x90 - ASM_TYPE_FUNCTION(__xray_ArgLoggerEntry) -ASM_TSAN_SYMBOL(__xray_ArgLoggerEntry): - CFI_STARTPROC + .type __xray_ArgLoggerEntry,@function +__xray_ArgLoggerEntry: + .cfi_startproc SAVE_REGISTERS // Again, these function pointer loads must be atomic; MOV is fine. - movq ASM_TSAN_SYMBOL(_ZN6__xray13XRayArgLoggerE)(%rip), %rax + movq _ZN6__xray13XRayArgLoggerE(%rip), %rax testq %rax, %rax jne .Larg1entryLog // If [arg1 logging handler] not set, defer to no-arg logging. - movq ASM_TSAN_SYMBOL(_ZN6__xray19XRayPatchedFunctionE)(%rip), %rax + movq _ZN6__xray19XRayPatchedFunctionE(%rip), %rax testq %rax, %rax je .Larg1entryFail @@ -189,22 +186,24 @@ ASM_TSAN_SYMBOL(__xray_ArgLoggerEntry): .Larg1entryFail: RESTORE_REGISTERS retq - ASM_SIZE(__xray_ArgLoggerEntry) - CFI_ENDPROC + +.Larg1entryEnd: + .size __xray_ArgLoggerEntry, .Larg1entryEnd-__xray_ArgLoggerEntry + .cfi_endproc //===----------------------------------------------------------------------===// - .global ASM_TSAN_SYMBOL(__xray_CustomEvent) + .global __xray_CustomEvent .align 16, 0x90 - ASM_TYPE_FUNCTION(__xray_CustomEvent) -ASM_TSAN_SYMBOL(__xray_CustomEvent): - CFI_STARTPROC + .type __xray_CustomEvent,@function +__xray_CustomEvent: + .cfi_startproc SAVE_REGISTERS // We take two arguments to this trampoline, which should be in rdi and rsi // already. We also make sure that we stash %rax because we use that register // to call the logging handler. - movq ASM_TSAN_SYMBOL(_ZN6__xray22XRayPatchedCustomEventE)(%rip), %rax + movq _ZN6__xray22XRayPatchedCustomEventE(%rip), %rax testq %rax,%rax je .LcustomEventCleanup @@ -224,7 +223,9 @@ ASM_TSAN_SYMBOL(__xray_CustomEvent): .LcustomEventCleanup: RESTORE_REGISTERS retq - ASM_SIZE(__xray_CustomEvent) - CFI_ENDPROC + +.Ltmp8: + .size __xray_CustomEvent, .Ltmp8-__xray_CustomEvent + .cfi_endproc NO_EXEC_STACK_DIRECTIVE |