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Enforce -no-entry-point on freestanding targets

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This commit is contained in:
gingerBill
2022-02-28 15:13:41 +00:00
parent 09e4fff5b1
commit 15d783e920
1 changed files with 12 additions and 7 deletions
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src/build_settings.cpp
+12 -7
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@@ -1006,12 +1006,20 @@ void init_build_context(TargetMetrics *cross_target) {
#endif #endif
if (bc->disable_red_zone) { if (bc->disable_red_zone) {
if (!(bc->metrics.os == TargetOs_freestanding && !is_arch_wasm())) { if (!!is_arch_wasm() && bc->metrics.os == TargetOs_freestanding) {
gb_printf_err("-disable-red-zone is not support for this target"); gb_printf_err("-disable-red-zone is not support for this target");
gb_exit(1); gb_exit(1);
} }
} }
if (bc->metrics.os == TargetOs_freestanding) {
bc->no_entry_point = true;
} else {
if (bc->disallow_rtti) {
gb_printf_err("-disallow-rtti is only allowed on freestanding targets\n");
gb_exit(1);
}
}
// NOTE(zangent): The linker flags to set the build architecture are different // NOTE(zangent): The linker flags to set the build architecture are different
// across OSs. It doesn't make sense to allocate extra data on the heap // across OSs. It doesn't make sense to allocate extra data on the heap
@@ -1063,14 +1071,14 @@ void init_build_context(TargetMetrics *cross_target) {
if (bc->metrics.arch == TargetArch_wasm64) { if (bc->metrics.arch == TargetArch_wasm64) {
link_flags = gb_string_appendc(link_flags, "-mwas64 "); link_flags = gb_string_appendc(link_flags, "-mwas64 ");
} }
if (bc->metrics.os == TargetOs_freestanding) { if (bc->no_entry_point) {
link_flags = gb_string_appendc(link_flags, "--no-entry "); link_flags = gb_string_appendc(link_flags, "--no-entry ");
} }
bc->link_flags = make_string_c(link_flags); bc->link_flags = make_string_c(link_flags);
// Disallow on wasm // Disallow on wasm
build_context.use_separate_modules = false; bc->use_separate_modules = false;
} else { } else {
gb_printf_err("Compiler Error: Unsupported architecture\n"); gb_printf_err("Compiler Error: Unsupported architecture\n");
gb_exit(1); gb_exit(1);
@@ -1078,10 +1086,7 @@ void init_build_context(TargetMetrics *cross_target) {
bc->optimization_level = gb_clamp(bc->optimization_level, 0, 3); bc->optimization_level = gb_clamp(bc->optimization_level, 0, 3);
if (bc->disallow_rtti && bc->metrics.os != TargetOs_freestanding) {
gb_printf_err("-disallow-rtti is only allowed on freestanding targets\n");
gb_exit(1);
}
#undef LINK_FLAG_X64 #undef LINK_FLAG_X64
#undef LINK_FLAG_386 #undef LINK_FLAG_386