| author |  xtex <xtex@astrafall.org> 2026-06-21 21:56:00+08:00 |
| committer | xtex <xtex@astrafall.org> 2026-06-25 22:12:56+08:00 |
| log | f1e3b67b1fae868fed3f13a18642607c777fc087 |
| tree | c7467b90991d4ae1ac6a94840f0e7f9ba0f978ff |
| parent | 75b232ab2b47220d3ca01e66cfbf64ccb06cf101 |
| signature |  Signed by SSH key SHA256:IEYEjkZlkUTr5U9GiDAmZU/4eZus2t2RsxusyhQqwao |
link.Elf2: write LoongArch e_flags
The base ABI modifier is determined by the target
features of the root module.
However, ideally, it should be determined by the
superset of the feature sets of all linked modules.
Setting ABI version to v1. Both the LLVM backend
and the self-hosted backend in my branch supports
only ABI v1 ("new world").1 files changed, 18 insertions(+), 1 deletions(-)
src- link
src/link/Elf2.zig+18-1
| ... | ... | @@ -2958,7 +2958,24 @@ fn initHeaders( |
| 2958 | 2958 | ehdr.entry = 0; |
| 2959 | 2959 | ehdr.phoff = 0; |
| 2960 | 2960 | ehdr.shoff = 0; |
| 2961 | ehdr.flags = 0; | |
| 2961 | ehdr.flags = switch (machine) { | |
| 2962 | .X86_64 => 0, | |
| 2963 | .LOONGARCH => e_flags: { | |
| 2964 | const target_cpu = &elf.base.comp.getTarget().cpu; | |
| 2965 | const e_flags: std.elf.loongarch.EFlags = .{ | |
| 2966 | .base_abi_modifier = if (target_cpu.has(.loongarch, .d)) | |
| 2967 | .d | |
| 2968 | else if (target_cpu.has(.loongarch, .f)) | |
| 2969 | .f | |
| 2970 | else | |
| 2971 | .s, | |
| 2972 | .abi_extension = .base, | |
| 2973 | .abi_version = 1, | |
| 2974 | }; | |
| 2975 | break :e_flags @bitCast(e_flags); | |
| 2976 | }, | |
| 2977 | else => @panic(@tagName(machine)), | |
| 2978 | }; | |
| 2962 | 2979 | ehdr.ehsize = @sizeOf(ElfN.Ehdr); |
| 2963 | 2980 | ehdr.phentsize = @sizeOf(ElfN.Phdr); |
| 2964 | 2981 | ehdr.phnum = @min(phnum, std.elf.PN_XNUM); |