Commit 8cbf091a9a
Changed files (1)
lib
std
os
linux
lib/std/os/linux/start_pie.zig
@@ -32,6 +32,7 @@ const R_RELATIVE = switch (builtin.cpu.arch) {
.powerpc, .powerpcle, .powerpc64, .powerpc64le => R_PPC_RELATIVE,
.riscv32, .riscv64 => R_RISCV_RELATIVE,
.s390x => R_390_RELATIVE,
+ .sparc, .sparc64 => R_SPARC_RELATIVE,
else => @compileError("Missing R_RELATIVE definition for this target"),
};
@@ -182,6 +183,16 @@ inline fn getDynamicSymbol() [*]elf.Dyn {
\\ 2:
: [ret] "=r" (-> [*]elf.Dyn),
),
+ // 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 (
+ \\ sethi %%hi(_GLOBAL_OFFSET_TABLE_ - 4), %%l7
+ \\ call 1f
+ \\ add %%l7, %%lo(_GLOBAL_OFFSET_TABLE_ + 4), %%l7
+ \\ 1:
+ \\ add %%l7, %%o7, %[ret]
+ : [ret] "=r" (-> [*]elf.Dyn),
+ ),
else => {
@compileError("PIE startup is not yet supported for this target!");
},