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Merge pull request #6830 from A1029384756/stack-canaries

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Stack canaries
This commit is contained in:
gingerBill
2026-06-19 09:11:40 +01:00
committed by GitHub
parent 417aa0ea9e 863b2aea80
commit 69daa4d184
5 changed files with 116 additions and 33 deletions
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35
src/main.cpp
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@@ -355,6 +355,7 @@ enum BuildFlagKind {
BuildFlag_NoThreadLocal,
BuildFlag_RelocMode,
BuildFlag_StackProtector,
BuildFlag_DisableRedZone,
BuildFlag_DisableUnwind,
@@ -589,6 +590,7 @@ gb_internal bool parse_build_flags(Array<String> args) {
add_flag(&build_flags, BuildFlag_MinimumOSVersion, str_lit("minimum-os-version"), BuildFlagParam_String, Command__does_build | Command_bundle_android);
add_flag(&build_flags, BuildFlag_RelocMode, str_lit("reloc-mode"), BuildFlagParam_String, Command__does_build);
add_flag(&build_flags, BuildFlag_StackProtector, str_lit("stack-protector"), BuildFlagParam_String, Command__does_build);
add_flag(&build_flags, BuildFlag_DisableRedZone, str_lit("disable-red-zone"), BuildFlagParam_None, Command__does_build);
add_flag(&build_flags, BuildFlag_DisableUnwind, str_lit("disable-unwind"), BuildFlagParam_None, Command__does_build);
@@ -1436,6 +1438,29 @@ gb_internal bool parse_build_flags(Array<String> args) {
break;
}
case BuildFlag_StackProtector: {
GB_ASSERT(value.kind == ExactValue_String);
String v = value.value_string;
if (v == "default") {
build_context.stack_protector = StackProtector_Default;
} else if (v == "none") {
build_context.stack_protector = StackProtector_None;
} else if (v == "base") {
build_context.stack_protector = StackProtector_Ssp;
} else if (v == "all") {
build_context.stack_protector = StackProtector_SspReq;
} else if (v == "strong") {
build_context.stack_protector = StackProtector_SspStrong;
} else {
gb_printf_err("-stack-protector flag expected one of the following\n");
gb_printf_err("\tdefault\n");
gb_printf_err("\tnone\n");
gb_printf_err("\tbase\n");
gb_printf_err("\tall\n");
gb_printf_err("\tstrong\n");
bad_flags = true;
}
}
case BuildFlag_DisableRedZone:
build_context.disable_red_zone = true;
break;
@@ -2996,6 +3021,16 @@ gb_internal int print_show_help(String const arg0, String command, String option
print_usage_line(3, "-reloc-mode:dynamic-no-pic");
}
if (print_flag("-stack-protector:<string>")) {
print_usage_line(2, "Specifies the stack protector.");
print_usage_line(2, "Available options:");
print_usage_line(3, "-stack-protector:default");
print_usage_line(3, "-stack-protector:none");
print_usage_line(3, "-stack-protector:base");
print_usage_line(3, "-stack-protector:all");
print_usage_line(3, "-stack-protector:strong");
}
#if defined(GB_SYSTEM_WINDOWS)
if (print_flag("-resource:<filepath>")) {
print_usage_line(2, "[Windows only]");