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Export _start as __start for MIPS targets

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This commit is contained in:
LemonBoy 2019-09-26 17:13:57 +02:00
parent a9be62f085
commit c8e4108c5b
2 changed files with 8 additions and 6 deletions
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7
lib/std/special/start.zig
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@ -13,6 +13,11 @@ const is_wasm = switch (builtin.arch) {
else => false, else => false,
}; };
const is_mips = switch (builtin.arch) {
.mips, .mipsel, .mips64, .mips64el => true,
else => false,
};
comptime { comptime {
if (builtin.link_libc) { if (builtin.link_libc) {
@export("main", main, .Strong); @export("main", main, .Strong);
@ -22,6 +27,8 @@ comptime {
@export("_start", wasm_freestanding_start, .Strong); @export("_start", wasm_freestanding_start, .Strong);
} else if (builtin.os == .uefi) { } else if (builtin.os == .uefi) {
@export("EfiMain", EfiMain, .Strong); @export("EfiMain", EfiMain, .Strong);
} else if (is_mips) {
if (!@hasDecl(root, "__start")) @export("__start", _start, .Strong);
} else { } else {
if (!@hasDecl(root, "_start")) @export("_start", _start, .Strong); if (!@hasDecl(root, "_start")) @export("_start", _start, .Strong);
} }

7
src/link.cpp
View file

@ -1813,14 +1813,9 @@ static void construct_linker_job_elf(LinkJob *lj) {
lj->args.append("--allow-shlib-undefined"); lj->args.append("--allow-shlib-undefined");
} }
// MIPS entry point name is __start instead of _start, force the linker to if (g->zig_target->os == OsZen) {
// use the latter
if (target_is_mips(g->zig_target) || g->zig_target->os == OsZen) {
lj->args.append("-e"); lj->args.append("-e");
lj->args.append("_start"); lj->args.append("_start");
}
if (g->zig_target->os == OsZen) {
lj->args.append("--image-base=0x10000000"); lj->args.append("--image-base=0x10000000");
} }
} }