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authorFeoramund <161657516+Feoramund@users.noreply.github.com>2025-06-05 14:36:55 -0400
committerFeoramund <161657516+Feoramund@users.noreply.github.com>2025-06-05 16:06:40 -0400
commit9c5640886d95cba73b10a59a43692c9bae4037fb (patch)
treecd4f3894b7e870bcf6a11529873db4f31bca7e6c /src
parent97fd228f01fd406bbbe2a8321118f641c5d0d7e9 (diff)
Add `@(no_sanitize_memory)` proc attribute with MSan additions to `base:sanitizer`
Diffstat (limited to 'src')
-rw-r--r--src/check_decl.cpp1
-rw-r--r--src/checker.cpp6
-rw-r--r--src/checker.hpp1
-rw-r--r--src/entity.cpp1
-rw-r--r--src/llvm_backend_proc.cpp2
5 files changed, 10 insertions, 1 deletions
diff --git a/src/check_decl.cpp b/src/check_decl.cpp
index d53c3c6b7..c696fc4c1 100644
--- a/src/check_decl.cpp
+++ b/src/check_decl.cpp
@@ -1370,6 +1370,7 @@ gb_internal void check_proc_decl(CheckerContext *ctx, Entity *e, DeclInfo *d) {
e->Procedure.has_instrumentation = has_instrumentation;
e->Procedure.no_sanitize_address = ac.no_sanitize_address;
+ e->Procedure.no_sanitize_memory = ac.no_sanitize_memory;
e->deprecated_message = ac.deprecated_message;
e->warning_message = ac.warning_message;
diff --git a/src/checker.cpp b/src/checker.cpp
index 9bc02cd87..4a5381014 100644
--- a/src/checker.cpp
+++ b/src/checker.cpp
@@ -3776,6 +3776,12 @@ gb_internal DECL_ATTRIBUTE_PROC(proc_decl_attribute) {
}
ac->no_sanitize_address = true;
return true;
+ } else if (name == "no_sanitize_memory") {
+ if (value != nullptr) {
+ error(value, "'%.*s' expects no parameter", LIT(name));
+ }
+ ac->no_sanitize_memory = true;
+ return true;
}
return false;
}
diff --git a/src/checker.hpp b/src/checker.hpp
index 0cdfd69ab..dabb7330a 100644
--- a/src/checker.hpp
+++ b/src/checker.hpp
@@ -140,6 +140,7 @@ struct AttributeContext {
bool instrumentation_enter : 1;
bool instrumentation_exit : 1;
bool no_sanitize_address : 1;
+ bool no_sanitize_memory : 1;
bool rodata : 1;
bool ignore_duplicates : 1;
u32 optimization_mode; // ProcedureOptimizationMode
diff --git a/src/entity.cpp b/src/entity.cpp
index a16779419..6c0aa6ace 100644
--- a/src/entity.cpp
+++ b/src/entity.cpp
@@ -263,6 +263,7 @@ struct Entity {
bool uses_branch_location : 1;
bool is_anonymous : 1;
bool no_sanitize_address : 1;
+ bool no_sanitize_memory : 1;
} Procedure;
struct {
Array<Entity *> entities;
diff --git a/src/llvm_backend_proc.cpp b/src/llvm_backend_proc.cpp
index f51ed2b4d..0a51b5cb5 100644
--- a/src/llvm_backend_proc.cpp
+++ b/src/llvm_backend_proc.cpp
@@ -345,7 +345,7 @@ gb_internal lbProcedure *lb_create_procedure(lbModule *m, Entity *entity, bool i
if (build_context.sanitizer_flags & SanitizerFlag_Address && !entity->Procedure.no_sanitize_address) {
lb_add_attribute_to_proc(m, p->value, "sanitize_address");
}
- if (build_context.sanitizer_flags & SanitizerFlag_Memory) {
+ if (build_context.sanitizer_flags & SanitizerFlag_Memory && !entity->Procedure.no_sanitize_memory) {
lb_add_attribute_to_proc(m, p->value, "sanitize_memory");
}
if (build_context.sanitizer_flags & SanitizerFlag_Thread) {