std.pie: add sh support

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Alex Rønne Petersen 2025-10-21 05:14:04 +02:00
parent fb2c02929e
commit 2b54437f24
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@ -19,6 +19,7 @@ const R_OR1K_RELATIVE = 21;
const R_PPC_RELATIVE = 22;
const R_RISCV_RELATIVE = 3;
const R_390_RELATIVE = 12;
const R_SH_RELATIVE = 165;
const R_SPARC_RELATIVE = 22;
const R_RELATIVE = switch (builtin.cpu.arch) {
@ -38,6 +39,7 @@ const R_RELATIVE = switch (builtin.cpu.arch) {
.powerpc, .powerpcle, .powerpc64, .powerpc64le => R_PPC_RELATIVE,
.riscv32, .riscv32be, .riscv64, .riscv64be => R_RISCV_RELATIVE,
.s390x => R_390_RELATIVE,
.sh, .sheb => R_SH_RELATIVE,
.sparc, .sparc64 => R_SPARC_RELATIVE,
else => @compileError("Missing R_RELATIVE definition for this target"),
};
@ -223,6 +225,20 @@ inline fn getDynamicSymbol() [*]const elf.Dyn {
\\ 2:
: [ret] "=a" (-> [*]const elf.Dyn),
),
.sh, .sheb => asm volatile (
\\ .weak _DYNAMIC
\\ .hidden _DYNAMIC
\\ mova 1f, r0
\\ mov.l 1f, %[ret]
\\ add r0, %[ret]
\\ bra 2f
\\1:
\\ .balign 4
\\ .long DYNAMIC - .
\\2:
: [ret] "=r" (-> [*]const elf.Dyn),
:
: .{ .r0 = true }),
// The compiler does not necessarily have any obligation to load the `l7` register (pointing
// to the GOT), so do it ourselves just in case.
.sparc, .sparc64 => asm volatile (