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std.os.linux.start_pie: Add mips and mips64 support.

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Alex Rønne Petersen 2024-07-25 01:04:20 +02:00
parent 38e0f049c5
commit adfbd8a98b
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1 changed files with 27 additions and 0 deletions
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27
lib/std/os/linux/start_pie.zig
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@ -12,6 +12,7 @@ const R_CSKY_RELATIVE = 9;
const R_HEXAGON_RELATIVE = 35;
const R_LARCH_RELATIVE = 3;
const R_68K_RELATIVE = 22;
const R_MIPS_RELATIVE = 128;
const R_RISCV_RELATIVE = 3;
const R_390_RELATIVE = 12;
const R_SPARC_RELATIVE = 22;
@ -26,6 +27,7 @@ const R_RELATIVE = switch (builtin.cpu.arch) {
.hexagon => R_HEXAGON_RELATIVE,
.loongarch32, .loongarch64 => R_LARCH_RELATIVE,
.m68k => R_68K_RELATIVE,
.mips, .mipsel, .mips64, .mips64el => R_MIPS_RELATIVE,
.riscv32, .riscv64 => R_RISCV_RELATIVE,
.s390x => R_390_RELATIVE,
else => @compileError("Missing R_RELATIVE definition for this target"),
@ -111,6 +113,31 @@ fn getDynamicSymbol() [*]elf.Dyn {
\\ lea (%[ret], %%pc), %[ret]
: [ret] "=r" (-> [*]elf.Dyn),
),
.mips, .mipsel => asm volatile (
\\ .weak _DYNAMIC
\\ .hidden _DYNAMIC
\\ bal 1f
\\ .gpword _DYNAMIC
\\ 1:
\\ lw %[ret], 0($ra)
\\ addu %[ret], %[ret], $gp
: [ret] "=r" (-> [*]elf.Dyn),
:
: "lr"
),
.mips64, .mips64el => asm volatile (
\\ .weak _DYNAMIC
\\ .hidden _DYNAMIC
\\ .balign 8
\\ bal 1f
\\ .gpdword _DYNAMIC
\\ 1:
\\ ld %[ret], 0($ra)
\\ daddu %[ret], %[ret], $gp
: [ret] "=r" (-> [*]elf.Dyn),
:
: "lr"
),
.riscv32, .riscv64 => asm volatile (
\\ .weak _DYNAMIC
\\ .hidden _DYNAMIC