std.os.linux.start_pie: Add s390x support.

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Alex Rønne Petersen 2024-07-21 17:18:13 +02:00
parent 6fac71ec74
commit 1c6bee0834
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@ -10,6 +10,7 @@ const R_AARCH64_RELATIVE = 1027;
const R_LARCH_RELATIVE = 3;
const R_68K_RELATIVE = 22;
const R_RISCV_RELATIVE = 3;
const R_390_RELATIVE = 12;
const R_SPARC_RELATIVE = 22;
const R_RELATIVE = switch (builtin.cpu.arch) {
@ -20,6 +21,7 @@ const R_RELATIVE = switch (builtin.cpu.arch) {
.loongarch32, .loongarch64 => R_LARCH_RELATIVE,
.m68k => R_68K_RELATIVE,
.riscv64 => R_RISCV_RELATIVE,
.s390x => R_390_RELATIVE,
else => @compileError("Missing R_RELATIVE definition for this target"),
};
@ -82,6 +84,16 @@ fn getDynamicSymbol() [*]elf.Dyn {
\\ lla %[ret], _DYNAMIC
: [ret] "=r" (-> [*]elf.Dyn),
),
.s390x => asm volatile (
\\ .weak _DYNAMIC
\\ .hidden _DYNAMIC
\\ larl %[ret], 1f
\\ agf %[ret], 0(%[ret])
\\ b 2f
\\ 1: .long _DYNAMIC - .
\\ 2:
: [ret] "=r" (-> [*]elf.Dyn),
),
else => {
@compileError("PIE startup is not yet supported for this target!");
},