diff options
Diffstat (limited to 'std')
| -rw-r--r-- | std/bootstrap.zig | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/std/bootstrap.zig b/std/bootstrap.zig index 06191d47e7..3368539aaa 100644 --- a/std/bootstrap.zig +++ b/std/bootstrap.zig @@ -3,18 +3,28 @@ import "syscall.zig"; // The compiler treats this file special by implicitly importing the function `main` // from the root source file. +var argc: usize; +var argv: &&u8; var env: &&u8; #attribute("naked") export fn _start() unreachable => { - const argc = asm("mov (%%rsp), %[argc]": [argc] "=r" (-> isize)); - const argv = asm("lea 0x8(%%rsp), %[argv]": [argv] "=r" (-> &&u8)); + argc = asm("mov (%%rsp), %[argc]": [argc] "=r" (-> usize)); + argv = asm("lea 0x8(%%rsp), %[argv]": [argv] "=r" (-> &&u8)); env = asm("lea 0x10(%%rsp,%%rdi,8), %[env]": [env] "=r" (-> &&u8)); + call_main() +} - exit(main(argc, argv, env)); +fn strlen(ptr: &u8) usize => { + var count: usize = 0; + while (ptr[count] != 0) { + count += 1; + } + return count; +} -/* - var args = @alloca_array([]u8, argc); +fn call_main() unreachable => { + var args: [argc][]u8; var i : @typeof(argc) = 0; // TODO for in loop over the array while (i < argc) { @@ -23,15 +33,4 @@ export fn _start() unreachable => { i += 1; } exit(main(args)) - */ -} - -/* -fn strlen(ptr: &u8) isize => { - var count: isize = 0; - while (ptr[count]) { - count += 1; - } - return count; } -*/ |