motiejus/zig
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progress toward stack trace printing

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This commit is contained in:
Andrew Kelley
2016-08-17 20:11:04 -07:00
parent 0fbb9e09ea
commit ed50bd1b65
18 changed files with 683 additions and 91 deletions
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59
std/linux.zig
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@@ -76,6 +76,10 @@ pub const O_PATH = arch.O_PATH;
pub const O_TMPFILE = arch.O_TMPFILE;
pub const O_NDELAY = arch.O_NDELAY;
pub const SEEK_SET = 0;
pub const SEEK_CUR = 1;
pub const SEEK_END = 2;
const SIG_BLOCK = 0;
const SIG_UNBLOCK = 1;
const SIG_SETMASK = 2;
@@ -226,7 +230,9 @@ pub fn getErrno(r: usize) -> usize {
if (signed_r > -4096 && signed_r < 0) usize(-signed_r) else 0
}
pub fn mmap(address: ?&u8, length: usize, prot: usize, flags: usize, fd: i32, offset: usize) -> usize {
pub fn mmap(address: ?&u8, length: usize, prot: usize, flags: usize, fd: i32, offset: usize)
-> usize
{
arch.syscall6(arch.SYS_mmap, usize(address), length, prot, flags, usize(fd), offset)
}
@@ -238,29 +244,49 @@ pub fn read(fd: i32, buf: &u8, count: usize) -> usize {
arch.syscall3(arch.SYS_read, usize(fd), usize(buf), count)
}
pub fn pread(fd: i32, buf: &u8, count: usize, offset: usize) -> usize {
arch.syscall4(arch.SYS_pread, usize(fd), usize(buf), count, offset)
}
pub fn write(fd: i32, buf: &const u8, count: usize) -> usize {
arch.syscall3(arch.SYS_write, usize(fd), usize(buf), count)
}
pub fn open(path: []u8, flags: usize, perm: usize) -> usize {
var buf: [path.len + 1]u8 = undefined;
@memcpy(&buf[0], &path[0], path.len);
buf[path.len] = 0;
arch.syscall3(arch.SYS_open, usize(&buf[0]), flags, perm)
pub fn pwrite(fd: i32, buf: &const u8, count: usize, offset: usize) -> usize {
arch.syscall4(arch.SYS_pwrite, usize(fd), usize(buf), count, offset)
}
pub fn create(path: []u8, perm: usize) -> usize {
var buf: [path.len + 1]u8 = undefined;
@memcpy(&buf[0], &path[0], path.len);
buf[path.len] = 0;
arch.syscall2(arch.SYS_creat, usize(&buf[0]), perm)
pub fn open_c(path: &const u8, flags: usize, perm: usize) -> usize {
arch.syscall3(arch.SYS_open, usize(path), flags, perm)
}
pub fn openat(dirfd: i32, path: []u8, flags: usize, mode: usize) -> usize {
pub fn open(path: []const u8, flags: usize, perm: usize) -> usize {
var buf: [path.len + 1]u8 = undefined;
@memcpy(&buf[0], &path[0], path.len);
buf[path.len] = 0;
arch.syscall4(arch.SYS_openat, usize(dirfd), usize(&buf[0]), flags, mode)
return open_c(buf.ptr, flags, perm);
}
pub fn create_c(path: &const u8, perm: usize) -> usize {
arch.syscall2(arch.SYS_creat, usize(path), perm)
}
pub fn create(path: []const u8, perm: usize) -> usize {
var buf: [path.len + 1]u8 = undefined;
@memcpy(&buf[0], &path[0], path.len);
buf[path.len] = 0;
return create_c(buf.ptr, perm);
}
pub fn openat_c(dirfd: i32, path: &const u8, flags: usize, mode: usize) -> usize {
arch.syscall4(arch.SYS_openat, usize(dirfd), usize(path), flags, mode)
}
pub fn openat(dirfd: i32, path: []const u8, flags: usize, mode: usize) -> usize {
var buf: [path.len + 1]u8 = undefined;
@memcpy(&buf[0], &path[0], path.len);
buf[path.len] = 0;
return openat_c(dirfd, buf.ptr, flags, mode);
}
pub fn close(fd: i32) -> usize {
@@ -457,3 +483,10 @@ pub fn accept4(fd: i32, noalias addr: &sockaddr, noalias len: &socklen_t, flags:
// }
// return ifr.ifr_ifindex;
// }
pub const stat = arch.stat;
pub const timespec = arch.timespec;
pub fn fstat(fd: i32, stat_buf: &stat) -> usize {
arch.syscall2(arch.SYS_fstat, usize(fd), usize(stat_buf))
}