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std.os.linux.start_pie: Add powerpc and powerpc64 support.

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Closes #20305.
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Alex Rønne Petersen 2024-07-25 01:31:42 +02:00
parent adfbd8a98b
commit 5633767b20
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1 changed files with 28 additions and 0 deletions
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28
lib/std/os/linux/start_pie.zig
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@ -13,6 +13,7 @@ const R_HEXAGON_RELATIVE = 35;
const R_LARCH_RELATIVE = 3;
const R_68K_RELATIVE = 22;
const R_MIPS_RELATIVE = 128;
const R_PPC_RELATIVE = 22;
const R_RISCV_RELATIVE = 3;
const R_390_RELATIVE = 12;
const R_SPARC_RELATIVE = 22;
@ -28,6 +29,7 @@ const R_RELATIVE = switch (builtin.cpu.arch) {
.loongarch32, .loongarch64 => R_LARCH_RELATIVE,
.m68k => R_68K_RELATIVE,
.mips, .mipsel, .mips64, .mips64el => R_MIPS_RELATIVE,
.powerpc, .powerpcle, .powerpc64, .powerpc64le => R_PPC_RELATIVE,
.riscv32, .riscv64 => R_RISCV_RELATIVE,
.s390x => R_390_RELATIVE,
else => @compileError("Missing R_RELATIVE definition for this target"),
@ -138,6 +140,32 @@ fn getDynamicSymbol() [*]elf.Dyn {
:
: "lr"
),
.powerpc, .powerpcle => asm volatile (
\\ .weak _DYNAMIC
\\ .hidden _DYNAMIC
\\ bl 1f
\\ .long _DYNAMIC - .
\\ 1:
\\ mflr %[ret]
\\ lwz 4, 0(%[ret])
\\ add %[ret], 4, %[ret]
: [ret] "=r" (-> [*]elf.Dyn),
:
: "lr", "r4"
),
.powerpc64, .powerpc64le => asm volatile (
\\ .weak _DYNAMIC
\\ .hidden _DYNAMIC
\\ bl 1f
\\ .quad _DYNAMIC - .
\\ 1:
\\ mflr %[ret]
\\ ld 4, 0(%[ret])
\\ add %[ret], 4, %[ret]
: [ret] "=r" (-> [*]elf.Dyn),
:
: "lr", "r4"
),
.riscv32, .riscv64 => asm volatile (
\\ .weak _DYNAMIC
\\ .hidden _DYNAMIC