diff options
| author | Motiejus Jakštys <motiejus@jakstys.lt> | 2022-06-23 08:28:35 +0300 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2023-02-16 18:44:56 -0500 |
| commit | b1b944a683a2143584055468ca7958d298a9742b (patch) | |
| tree | b7e969d756016f064f684070aaa6a2a7570e6323 /src/main.zig | |
| parent | f911c933b287bd9f27b6b5f977a671aef05ca6c9 (diff) | |
| download | zig-b1b944a683a2143584055468ca7958d298a9742b.tar.gz zig-b1b944a683a2143584055468ca7958d298a9742b.zip | |
[elf linker] add --sort-section
Tested by: created a "hello world" C file and compiled with:
zig cc -v main.c -Wl,--sort-section=name -o main
... and verified the `--sort-section=name` is passed to ld.lld.
Refs https://github.com/zigchroot/zig-chroot/issues/1
Diffstat (limited to 'src/main.zig')
| -rw-r--r-- | src/main.zig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/main.zig b/src/main.zig index 2e83e98fff..07a8d8b9e7 100644 --- a/src/main.zig +++ b/src/main.zig @@ -509,6 +509,7 @@ const usage_build_generic = \\ zlib Compression with deflate/inflate \\ --gc-sections Force removal of functions and data that are unreachable by the entry point or exported symbols \\ --no-gc-sections Don't force removal of unreachable functions and data + \\ --sort-section=[value] Sort wildcard section patterns by 'name' or 'alignment' \\ --subsystem [subsystem] (Windows) /SUBSYSTEM:<subsystem> to the linker \\ --stack [size] Override default stack size \\ --image-base [addr] Set base address for executable image @@ -731,6 +732,7 @@ fn buildOutputType( var linker_script: ?[]const u8 = null; var version_script: ?[]const u8 = null; var disable_c_depfile = false; + var linker_sort_section: ?link.SortSection = null; var linker_gc_sections: ?bool = null; var linker_compress_debug_sections: ?link.CompressDebugSections = null; var linker_allow_shlib_undefined: ?bool = null; @@ -1894,6 +1896,15 @@ fn buildOutputType( linker_print_icf_sections = true; } else if (mem.eql(u8, arg, "--print-map")) { linker_print_map = true; + } else if (mem.eql(u8, arg, "--sort-section")) { + i += 1; + if (i >= linker_args.items.len) { + fatal("expected linker arg after '{s}'", .{arg}); + } + const arg1 = linker_args.items[i]; + linker_sort_section = std.meta.stringToEnum(link.SortSection, arg1) orelse { + fatal("expected [name|alignment] after --sort-section, found '{s}'", .{arg1}); + }; } else if (mem.eql(u8, arg, "--allow-shlib-undefined") or mem.eql(u8, arg, "-allow-shlib-undefined")) { @@ -3070,6 +3081,7 @@ fn buildOutputType( .version_script = version_script, .disable_c_depfile = disable_c_depfile, .soname = resolved_soname, + .linker_sort_section = linker_sort_section, .linker_gc_sections = linker_gc_sections, .linker_allow_shlib_undefined = linker_allow_shlib_undefined, .linker_bind_global_refs_locally = linker_bind_global_refs_locally, |