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std.os.linux.start_pie: Add arc support.

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Alex Rønne Petersen 2024-07-24 09:40:27 +02:00
parent bc054a713e
commit a0b2b987c8
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1 changed files with 8 additions and 0 deletions
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8
lib/std/os/linux/start_pie.zig
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@ -5,6 +5,7 @@ const assert = std.debug.assert;
const R_AMD64_RELATIVE = 8;
const R_386_RELATIVE = 8;
const R_ARC_RELATIVE = 56;
const R_ARM_RELATIVE = 23;
const R_AARCH64_RELATIVE = 1027;
const R_CSKY_RELATIVE = 9;
@ -17,6 +18,7 @@ const R_SPARC_RELATIVE = 22;
const R_RELATIVE = switch (builtin.cpu.arch) {
.x86 => R_386_RELATIVE,
.x86_64 => R_AMD64_RELATIVE,
.arc => R_ARC_RELATIVE,
.arm, .armeb, .thumb, .thumbeb => R_ARM_RELATIVE,
.aarch64, .aarch64_be => R_AARCH64_RELATIVE,
.csky => R_CSKY_RELATIVE,
@ -46,6 +48,12 @@ fn getDynamicSymbol() [*]elf.Dyn {
\\ lea _DYNAMIC(%%rip), %[ret]
: [ret] "=r" (-> [*]elf.Dyn),
),
.arc => asm volatile (
\\ .weak _DYNAMIC
\\ .hidden _DYNAMIC
\\ add %[ret], pcl, _DYNAMIC@pcl
: [ret] "=r" (-> [*]elf.Dyn),
),
// Work around the limited offset range of `ldr`
.arm, .armeb, .thumb, .thumbeb => asm volatile (
\\ .weak _DYNAMIC