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Support -sanitize:<string> for address, memory, thread for LLVM 17

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This commit is contained in:
gingerBill
2023-09-21 09:40:33 +01:00
parent f0ab58dfbb
commit 2160484b62
3 changed files with 52 additions and 1 deletions
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16
src/build_settings.cpp
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@@ -264,6 +264,14 @@ u64 get_vet_flag_from_name(String const &name) {
}
enum SanitizerFlags : u32 {
SanitizerFlag_NONE = 0,
SanitizerFlag_Address = 1u<<0,
SanitizerFlag_Memory = 1u<<1,
SanitizerFlag_Thread = 1u<<2,
};
// This stores the information for the specify architecture of this build
struct BuildContext {
@@ -305,6 +313,7 @@ struct BuildContext {
String pdb_filepath;
u64 vet_flags;
u32 sanitizer_flags;
bool has_resource;
String link_flags;
@@ -1738,6 +1747,13 @@ gb_internal bool init_build_paths(String init_filename) {
return false;
}
if (build_context.sanitizer_flags & SanitizerFlag_Memory) {
if (build_context.metrics.os != TargetOs_linux) {
gb_printf_err("-sanitize:memory is only supported on linux\n");
return false;
}
}
if (bc->target_features_string.len != 0) {
enable_target_feature({}, bc->target_features_string);

18
src/llvm_backend.cpp
View File

@@ -1478,12 +1478,28 @@ gb_internal WORKER_TASK_PROC(lb_llvm_module_pass_worker_proc) {
passes = gb_string_appendc(passes, "default<O0>");
break;
case 1:
passes = gb_string_appendc(passes, "default<O1>");
passes = gb_string_appendc(passes, "default<Os>");
break;
case 2:
passes = gb_string_appendc(passes, "default<O2>");
break;
}
// asan - Linux, Darwin, Windows
// msan - linux
// tsan - Linux, Darwin
// ubsan - Linux, Darwin, Windows (NOT SUPPORTED WITH LLVM C-API)
if (build_context.sanitizer_flags & SanitizerFlag_Address) {
passes = gb_string_appendc(passes, ",asan");
}
if (build_context.sanitizer_flags & SanitizerFlag_Memory) {
passes = gb_string_appendc(passes, ",msan");
}
if (build_context.sanitizer_flags & SanitizerFlag_Thread) {
passes = gb_string_appendc(passes, ",tsan");
}
LLVMErrorRef llvm_err = LLVMRunPasses(wd->m->mod, passes, wd->target_machine, pb_options);
defer (LLVMConsumeError(llvm_err));
if (llvm_err != nullptr) {

19
src/main.cpp
View File

@@ -300,6 +300,8 @@ enum BuildFlagKind {
BuildFlag_Tilde,
BuildFlag_Sanitize,
#if defined(GB_SYSTEM_WINDOWS)
BuildFlag_IgnoreVsSearch,
BuildFlag_ResourceFile,
@@ -486,6 +488,8 @@ gb_internal bool parse_build_flags(Array<String> args) {
add_flag(&build_flags, BuildFlag_Tilde, str_lit("tilde"), BuildFlagParam_None, Command__does_build);
#endif
add_flag(&build_flags, BuildFlag_Sanitize, str_lit("sanitize"), BuildFlagParam_String, Command__does_build, true);
#if defined(GB_SYSTEM_WINDOWS)
add_flag(&build_flags, BuildFlag_IgnoreVsSearch, str_lit("ignore-vs-search"), BuildFlagParam_None, Command__does_build);
add_flag(&build_flags, BuildFlag_ResourceFile, str_lit("resource"), BuildFlagParam_String, Command__does_build);
@@ -1194,6 +1198,21 @@ gb_internal bool parse_build_flags(Array<String> args) {
build_context.tilde_backend = true;
break;
case BuildFlag_Sanitize:
GB_ASSERT(value.kind == ExactValue_String);
if (str_eq_ignore_case(value.value_string, str_lit("address"))) {
build_context.sanitizer_flags |= SanitizerFlag_Address;
} else if (str_eq_ignore_case(value.value_string, str_lit("memory"))) {
build_context.sanitizer_flags |= SanitizerFlag_Memory;
} else if (str_eq_ignore_case(value.value_string, str_lit("thread"))) {
build_context.sanitizer_flags |= SanitizerFlag_Thread;
} else {
gb_printf_err("-sanitize:<string> options are 'address', 'memory', and 'thread'\n");
bad_flags = true;
}
break;
#if defined(GB_SYSTEM_WINDOWS)
case BuildFlag_IgnoreVsSearch: {
GB_ASSERT(value.kind == ExactValue_Invalid);