Merge branch 'native-types-signal' into 'master'

Use native types for signal.h

See merge request redox-os/relibc!1197
This commit is contained in:
Jeremy Soller
2026-04-16 06:43:26 -06:00
4 changed files with 53 additions and 49 deletions
+1 -1
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@@ -6,7 +6,7 @@
# - "pid_t As described in <sys/types.h>."
# - "The <signal.h> header shall define the pthread_attr_t type as described in <sys/types.h>."
# - "Inclusion of the <signal.h> header may make visible all symbols from the <time.h> header."
sys_includes = ["sys/types.h", "stdint.h"]
sys_includes = ["sys/types.h"]
include_guard = "_RELIBC_SIGNAL_H"
after_includes = """
#include <bits/timespec.h> // for timespec from time.h
+17 -17
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@@ -1,5 +1,5 @@
use super::{sigset_t, stack_t};
use crate::platform::types::c_ulong;
use crate::platform::types::{c_longlong, c_uchar, c_uint, c_ulong, c_ulonglong, c_ushort};
use core::arch::global_asm;
// Needs to be defined in assembly because it can't have a function prologue
@@ -143,37 +143,37 @@ pub struct ucontext {
pub uc_stack: stack_t,
pub uc_mcontext: mcontext_t,
pub uc_sigmask: sigset_t,
__private: [u8; 512],
__private: [c_uchar; 512],
}
#[repr(C)]
pub struct _libc_fpstate {
pub cwd: u16,
pub swd: u16,
pub ftw: u16,
pub fop: u16,
pub rip: u64,
pub rdp: u64,
pub mxcsr: u32,
pub mxcr_mask: u32,
pub cwd: c_ushort,
pub swd: c_ushort,
pub ftw: c_ushort,
pub fop: c_ushort,
pub rip: c_ulonglong,
pub rdp: c_ulonglong,
pub mxcsr: c_uint,
pub mxcr_mask: c_uint,
pub _st: [_libc_fpxreg; 8],
pub _xmm: [_libc_xmmreg; 16],
__private: [u64; 12],
__private: [c_ulonglong; 12],
}
#[repr(C)]
pub struct _libc_fpxreg {
pub significand: [u16; 4],
pub exponent: u16,
__private: [u16; 3],
pub significand: [c_ushort; 4],
pub exponent: c_ushort,
__private: [c_ushort; 3],
}
#[repr(C)]
pub struct _libc_xmmreg {
pub element: [u32; 4],
pub element: [c_uint; 4],
}
#[repr(C)]
pub struct mcontext {
pub gregs: [i64; 23], // TODO: greg_t?
pub gregs: [c_longlong; 23], // TODO: greg_t?
pub fpregs: *mut _libc_fpstate,
__private: [u64; 8],
__private: [c_ulonglong; 8],
}
+3 -3
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@@ -112,13 +112,13 @@ pub type siginfo_t = siginfo;
pub type stack_t = sigaltstack;
unsafe extern "C" {
pub fn sigsetjmp(jb: *mut u64, savemask: i32) -> i32;
pub fn sigsetjmp(jb: *mut c_ulonglong, savemask: c_int) -> c_int;
}
//NOTE for the following two functions, to see why they're implemented slightly differently from their intended behavior, read
// https://git.musl-libc.org/cgit/musl/commit/?id=583e55122e767b1586286a0d9c35e2a4027998ab
#[unsafe(no_mangle)]
unsafe extern "C" fn __sigsetjmp_tail(jb: *mut u64, ret: i32) -> i32 {
unsafe extern "C" fn __sigsetjmp_tail(jb: *mut c_ulonglong, ret: c_int) -> c_int {
let set = jb.wrapping_add(9);
if ret > 0 {
unsafe { sigprocmask(SIG_SETMASK, set, ptr::null_mut()) };
@@ -129,7 +129,7 @@ unsafe extern "C" fn __sigsetjmp_tail(jb: *mut u64, ret: i32) -> i32 {
}
#[unsafe(no_mangle)]
pub unsafe extern "C" fn siglongjmp(jb: *mut u64, ret: i32) {
pub unsafe extern "C" fn siglongjmp(jb: *mut c_ulonglong, ret: c_int) {
unsafe { setjmp::longjmp(jb, ret) };
}
+32 -28
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@@ -1,5 +1,9 @@
use redox_rt::signal::SiginfoAbi;
#[cfg(any(target_arch = "x86", target_arch = "aarch64", target_arch = "riscv64"))]
use crate::platform::types::c_uchar;
use crate::platform::types::{c_uint, c_ulong};
use super::{siginfo_t, sigset_t, stack_t};
pub const SIGHUP: usize = 1;
@@ -120,24 +124,24 @@ pub struct ucontext {
target_arch = "aarch64",
target_arch = "riscv64"
))]
_pad: [usize; 1], // pad from 7*8 to 64
_pad: [c_ulong; 1], // pad from 7*8 to 64
#[cfg(target_arch = "x86")]
_pad: [usize; 3], // pad from 9*4 to 12*4
_pad: [c_ulong; 3], // pad from 9*4 to 12*4
pub uc_link: *mut ucontext_t,
pub uc_stack: stack_t,
pub uc_sigmask: sigset_t,
_sival: usize,
_sigcode: u32,
_signum: u32,
_sival: c_ulong,
_sigcode: c_uint,
_signum: c_uint,
pub uc_mcontext: mcontext_t,
}
#[cfg(target_arch = "x86")]
#[repr(C)]
pub struct mcontext {
_opaque: [u8; 512],
_opaque: [c_uchar; 512],
}
//TODO: share definition with ArchIntRegs?
@@ -145,38 +149,38 @@ pub struct mcontext {
#[cfg(target_arch = "x86_64")]
#[repr(C)]
pub struct mcontext {
pub ymm_upper: [[u64; 2]; 16],
pub fxsave: [[u64; 2]; 29],
pub r15: usize, // fxsave "available" +0
pub r14: usize, // available +8
pub r13: usize, // available +16
pub r12: usize, // available +24
pub rbp: usize, // available +32
pub rbx: usize, // available +40
pub r11: usize, // outside fxsave, and so on
pub r10: usize,
pub r9: usize,
pub r8: usize,
pub rax: usize,
pub rcx: usize,
pub rdx: usize,
pub rsi: usize,
pub rdi: usize,
pub rflags: usize,
pub rip: usize,
pub rsp: usize,
pub ymm_upper: [[c_ulong; 2]; 16],
pub fxsave: [[c_ulong; 2]; 29],
pub r15: c_ulong, // fxsave "available" +0
pub r14: c_ulong, // available +8
pub r13: c_ulong, // available +16
pub r12: c_ulong, // available +24
pub rbp: c_ulong, // available +32
pub rbx: c_ulong, // available +40
pub r11: c_ulong, // outside fxsave, and so on
pub r10: c_ulong,
pub r9: c_ulong,
pub r8: c_ulong,
pub rax: c_ulong,
pub rcx: c_ulong,
pub rdx: c_ulong,
pub rsi: c_ulong,
pub rdi: c_ulong,
pub rflags: c_ulong,
pub rip: c_ulong,
pub rsp: c_ulong,
}
#[cfg(target_arch = "aarch64")]
#[repr(C)]
pub struct mcontext {
_opaque: [u8; 272],
_opaque: [c_uchar; 272],
}
#[cfg(target_arch = "riscv64")]
#[repr(C)]
pub struct mcontext {
_opaque: [u8; 520],
_opaque: [c_uchar; 520],
}
#[unsafe(no_mangle)]