From b811b70f6676a24c16a786a3549eb6b35071c13c Mon Sep 17 00:00:00 2001 From: David Carlier Date: Fri, 14 Apr 2023 20:53:36 +0100 Subject: freebsd i686 add ucontext/mcontext close #3196. --- src/unix/bsd/freebsdlike/freebsd/x86.rs | 155 ++++++++++++++++++++++++++++++++ 1 file changed, 155 insertions(+) diff --git a/src/unix/bsd/freebsdlike/freebsd/x86.rs b/src/unix/bsd/freebsdlike/freebsd/x86.rs index d3a3f34b0f..4046ec3109 100644 --- a/src/unix/bsd/freebsdlike/freebsd/x86.rs +++ b/src/unix/bsd/freebsdlike/freebsd/x86.rs @@ -6,6 +6,41 @@ pub type time_t = i32; pub type suseconds_t = i32; pub type register_t = i32; +s_no_extra_traits! { + pub struct mcontext_t { + pub mc_onstack: register_t, + pub mc_gs: register_t, + pub mc_fs: register_t, + pub mc_es: register_t, + pub mc_ds: register_t, + pub mc_edi: register_t, + pub mc_esi: register_t, + pub mc_ebp: register_t, + pub mc_isp: register_t, + pub mc_ebx: register_t, + pub mc_edx: register_t, + pub mc_ecx: register_t, + pub mc_eax: register_t, + pub mc_trapno: register_t, + pub mc_err: register_t, + pub mc_eip: register_t, + pub mc_cs: register_t, + pub mc_eflags: register_t, + pub mc_esp: register_t, + pub mc_ss: register_t, + pub mc_len: ::c_int, + pub mc_fpformat: ::c_int, + pub mc_ownedfp: ::c_int, + pub mc_flags: register_t, + pub mc_fpstate: [[::c_int; 32]; 4], + pub mc_fsbase: register_t, + pub mc_gsbase: register_t, + pub mc_xfpustate: register_t, + pub mc_xfpustate_len: register_t, + pub mc_spare2: [::c_int; 4], + } +} + s! { pub struct stat { pub st_dev: ::dev_t, @@ -31,6 +66,15 @@ s! { pub st_birthtime_nsec: ::c_long, __unused: [u8; 8], } + + pub struct ucontext_t { + pub uc_sigmask: ::sigset_t, + pub uc_mcontext: ::mcontext_t, + pub uc_link: *mut ::ucontext_t, + pub uc_stack: ::stack_t, + pub uc_flags: ::c_int, + __spare__: [::c_int; 4], + } } // should be pub(crate), but that requires Rust 1.18.0 @@ -43,4 +87,115 @@ cfg_if! { pub const _ALIGNBYTES: usize = 4 - 1; } } + +cfg_if! { + if #[cfg(feature = "extra_traits")] { + impl PartialEq for mcontext_t { + fn eq(&self, other: &mcontext_t) -> bool { + self.mc_onstack == other.mc_onstack && + self.mc_gs == other.mc_gs && + self.mc_fs == other.mc_fs && + self.mc_es == other.mc_es && + self.mc_ds == other.mc_ds && + self.mc_edi == other.mc_edi && + self.mc_esi == other.mc_esi && + self.mc_ebp == other.mc_ebp && + self.mc_isp == other.mc_isp && + self.mc_ebx == other.mc_ebx && + self.mc_edx == other.mc_edx && + self.mc_ecx == other.mc_ecx && + self.mc_eax == other.mc_eax && + self.mc_trapno == other.mc_trapno && + self.mc_err == other.mc_err && + self.mc_eip == other.mc_eip && + self.mc_cs == other.mc_cs && + self.mc_eflags == other.mc_eflags && + self.mc_esp == other.mc_esp && + self.mc_ss == other.mc_ss && + self.mc_len == other.mc_len && + self.mc_fpformat == other.mc_fpformat && + self.mc_ownedfp == other.mc_ownedfp && + self.mc_flags == other.mc_flags && + self.mc_fpstate.iter().zip(other.mc_fpstate.iter()).all(|(a, b)| a == b) && + self.mc_fsbase == other.mc_fsbase && + self.mc_gsbase == other.mc_gsbase && + self.mc_xfpustate == other.mc_xfpustate && + self.mc_xfpustate_len == other.mc_xfpustate_len && + self.mc_spare2.iter().zip(other.mc_spare2.iter()).all(|(a, b)| a == b) + } + } + impl Eq for mcontext_t {} + impl ::fmt::Debug for mcontext_t { + fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result { + f.debug_struct("mcontext_t") + .field("mc_onstack", &self.mc_onstack) + .field("mc_gs", &self.mc_gs) + .field("mc_fs", &self.mc_fs) + .field("mc_es", &self.mc_es) + .field("mc_ds", &self.mc_ds) + .field("mc_edi", &self.mc_edi) + .field("mc_esi", &self.mc_esi) + .field("mc_ebp", &self.mc_ebp) + .field("mc_isp", &self.mc_isp) + .field("mc_ebx", &self.mc_ebx) + .field("mc_edx", &self.mc_edx) + .field("mc_ecx", &self.mc_ecx) + .field("mc_eax", &self.mc_eax) + .field("mc_trapno", &self.mc_trapno) + .field("mc_err", &self.mc_err) + .field("mc_eip", &self.mc_eip) + .field("mc_cs", &self.mc_cs) + .field("mc_eflags", &self.mc_eflags) + .field("mc_esp", &self.mc_esp) + .field("mc_ss", &self.mc_ss) + .field("mc_len", &self.mc_len) + .field("mc_fpformat", &self.mc_fpformat) + .field("mc_ownedfp", &self.mc_ownedfp) + .field("mc_flags", &self.mc_flags) + .field("mc_fpstate", &self.mc_fpstate) + .field("mc_fsbase", &self.mc_fsbase) + .field("mc_gsbase", &self.mc_gsbase) + .field("mc_xfpustate", &self.mc_xfpustate) + .field("mc_xfpustate_len", &self.mc_xfpustate_len) + .field("mc_spare2", &self.mc_spare2) + .finish() + } + } + impl ::hash::Hash for mcontext_t { + fn hash(&self, state: &mut H) { + self.mc_onstack.hash(state); + self.mc_gs.hash(state); + self.mc_fs.hash(state); + self.mc_es.hash(state); + self.mc_ds.hash(state); + self.mc_edi.hash(state); + self.mc_esi.hash(state); + self.mc_ebp.hash(state); + self.mc_isp.hash(state); + self.mc_ebx.hash(state); + self.mc_edx.hash(state); + self.mc_ecx.hash(state); + self.mc_eax.hash(state); + self.mc_trapno.hash(state); + self.mc_err.hash(state); + self.mc_eip.hash(state); + self.mc_cs.hash(state); + self.mc_eflags.hash(state); + self.mc_esp.hash(state); + self.mc_ss.hash(state); + self.mc_len.hash(state); + self.mc_fpformat.hash(state); + self.mc_ownedfp.hash(state); + self.mc_flags.hash(state); + self.mc_fpstate.hash(state); + self.mc_fsbase.hash(state); + self.mc_gsbase.hash(state); + self.mc_xfpustate.hash(state); + self.mc_xfpustate_len.hash(state); + self.mc_spare2.hash(state); + } + } + } +} + pub const MINSIGSTKSZ: ::size_t = 2048; // 512 * 4 -- cgit v1.2.1