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unsigned integers for sizes of things

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Closes #62.
This commit is contained in:
Andrew Kelley
2016-07-26 20:40:11 -07:00
parent 76f87cdd96
commit bc81ddfea6
19 changed files with 264 additions and 394 deletions
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8
std/bootstrap.zig
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@@ -10,7 +10,7 @@ const want_start_symbol = switch(@compile_var("os")) {
};
const want_main_symbol = !want_start_symbol;
var argc: isize = undefined;
var argc: usize = undefined;
var argv: &&u8 = undefined;
#attribute("naked")
@@ -18,11 +18,11 @@ var argv: &&u8 = undefined;
export fn _start() -> unreachable {
switch (@compile_var("arch")) {
x86_64 => {
argc = asm("mov (%%rsp), %[argc]": [argc] "=r" (-> isize));
argc = asm("mov (%%rsp), %[argc]": [argc] "=r" (-> usize));
argv = asm("lea 0x8(%%rsp), %[argv]": [argv] "=r" (-> &&u8));
},
i386 => {
argc = asm("mov (%%esp), %[argc]": [argc] "=r" (-> isize));
argc = asm("mov (%%esp), %[argc]": [argc] "=r" (-> usize));
argv = asm("lea 0x4(%%esp), %[argv]": [argv] "=r" (-> &&u8));
},
else => @compile_err("unsupported arch"),
@@ -46,7 +46,7 @@ fn call_main_and_exit() -> unreachable {
#condition(want_main_symbol)
export fn main(c_argc: i32, c_argv: &&u8) -> i32 {
argc = c_argc;
argc = usize(c_argc);
argv = c_argv;
call_main() %% return 1;
return 0;