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Fix fpregs offset base

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This commit is contained in:
losfair 2019-07-15 23:15:57 +08:00
parent 263afa8a80
commit 31921bb3c4
1 changed files with 2 additions and 2 deletions
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4
lib/runtime-core/src/fault.rs
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@ -304,7 +304,7 @@ pub struct FaultInfo {
#[cfg(all(target_os = "linux", target_arch = "x86_64"))]
pub unsafe fn get_fault_info(siginfo: *const c_void, ucontext: *const c_void) -> FaultInfo {
use libc::{
_libc_fpstate, _libc_xmmreg, mcontext_t, ucontext_t, REG_R10, REG_R11, REG_R12, REG_R13,
_libc_fpstate, _libc_xmmreg, sigset_t, ucontext_t, REG_R10, REG_R11, REG_R12, REG_R13,
REG_R14, REG_R15, REG_R8, REG_R9, REG_RAX, REG_RBP, REG_RBX, REG_RCX, REG_RDI, REG_RDX,
REG_RIP, REG_RSI, REG_RSP,
};
@ -331,7 +331,7 @@ pub unsafe fn get_fault_info(siginfo: *const c_void, ucontext: *const c_void) ->
// WSL bug: (*ucontext).uc_mcontext.fpregs is always null.
let fpregs: &_libc_fpstate =
&*(((&(*ucontext).uc_mcontext) as *const mcontext_t).offset(1) as *const _libc_fpstate);
&*(((&(*ucontext).uc_sigmask) as *const sigset_t).offset(1) as *const _libc_fpstate);
if !(*ucontext).uc_mcontext.fpregs.is_null() {
assert_eq!(
(*ucontext).uc_mcontext.fpregs as *const _,