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cbe: handle underscore prexfix on macos, don't mangle extern function names

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This commit is contained in:
kcbanner 2023-11-05 00:27:08 -04:00
parent 192e9a315d
commit 26dabbf301
2 changed files with 5 additions and 1 deletions
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4
lib/zig.h
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@ -203,7 +203,11 @@ typedef char bool;
__pragma(comment(linker, "/alternatename:_" #symbol "=_" #name ))
#endif /*_M_X64 */
#else
#if __APPLE__
#define zig_import(sig, symbol, name) zig_extern sig __asm("_" #name);
#else /* __APPLE__ */
#define zig_import(sig, symbol, name) zig_extern sig __asm(#name);
#endif /* __APPLE__ */
#endif
#define zig_expand_import(sig, symbol, name) zig_import(sig, symbol, name)

2
src/codegen/c.zig
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@ -1978,7 +1978,7 @@ pub const DeclGen = struct {
if (mod.decl_exports.get(decl_index)) |exports| {
try writer.print("{ }", .{fmtIdent(mod.intern_pool.stringToSlice(exports.items[export_index].opts.name))});
} else if (decl.getExternDecl(mod).unwrap()) |extern_decl_index| {
try writer.print("{ }", .{fmtIdent(mod.intern_pool.stringToSlice(mod.declPtr(extern_decl_index).name))});
try writer.print("{}", .{mod.declPtr(extern_decl_index).name.fmt(&mod.intern_pool)});
} else {
// MSVC has a limit of 4095 character token length limit, and fmtIdent can (worst case),
// expand to 3x the length of its input, but let's cut it off at a much shorter limit.