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wasi: use __wasi_proc_exit instead of posix.exit

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This commit is contained in:
Shritesh Bhattarai 2019-04-13 21:36:53 -05:00
parent 72bcd5a4a5
commit fe9cd0b4bc
2 changed files with 5 additions and 13 deletions
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2
std/os/wasi.zig
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@ -1,4 +1,4 @@
use @import("wasi/core.zig");
pub use @import("wasi/core.zig");
pub const STDIN_FILENO = 0;
pub const STDOUT_FILENO = 1;

16
std/special/bootstrap.zig
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@ -14,14 +14,16 @@ comptime {
@export("main", main, strong_linkage);
} else if (builtin.os == builtin.Os.windows) {
@export("WinMainCRTStartup", WinMainCRTStartup, strong_linkage);
} else if (builtin.os == builtin.Os.wasi) {
@export("_start", wasiStart, strong_linkage);
} else {
@export("_start", _start, strong_linkage);
}
}
nakedcc fn _start() noreturn {
if (builtin.os == builtin.Os.wasi) {
std.os.wasi.__wasi_proc_exit(callMain());
}
switch (builtin.arch) {
builtin.Arch.x86_64 => {
argc_ptr = asm ("lea (%%rsp), %[argc]"
@ -45,16 +47,6 @@ nakedcc fn _start() noreturn {
@noInlineCall(posixCallMainAndExit);
}
nakedcc fn wasiStart() noreturn {
// TODO: Decide if alloc at init is acceptable for args and env
// @llvm.wasm.mem.grow.i32
// __wasi_args_get()
// __wasi_args_sizes_get()
// __wasi_environ_get()
// __wasi_environ_sizes_get()
std.os.posix.exit(callMain());
}
extern fn WinMainCRTStartup() noreturn {
@setAlignStack(16);
if (!builtin.single_threaded) {