/usr/lib/gcc/x86_64-linux-gnu/6/include/d/core/sys/posix/ucontext.d is in libgphobos-6-dev 6.4.0-17ubuntu1.
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* D header file for POSIX.
*
* Copyright: Copyright Sean Kelly 2005 - 2009.
* License: $(WEB www.boost.org/LICENSE_1_0.txt, Boost License 1.0).
* Authors: Sean Kelly
* Standards: The Open Group Base Specifications Issue 6, IEEE Std 1003.1, 2004 Edition
*/
/* Copyright Sean Kelly 2005 - 2009.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
module core.sys.posix.ucontext;
private import core.sys.posix.config;
public import core.sys.posix.signal; // for sigset_t, stack_t
private import core.stdc.stdint : uintptr_t;
version (Posix):
extern (C):
nothrow:
@nogc:
//
// XOpen (XSI)
//
/*
mcontext_t
struct ucontext_t
{
ucontext_t* uc_link;
sigset_t uc_sigmask;
stack_t uc_stack;
mcontext_t uc_mcontext;
}
*/
version( CRuntime_Glibc )
{
version( X86_64 )
{
enum
{
REG_R8 = 0,
REG_R9,
REG_R10,
REG_R11,
REG_R12,
REG_R13,
REG_R14,
REG_R15,
REG_RDI,
REG_RSI,
REG_RBP,
REG_RBX,
REG_RDX,
REG_RAX,
REG_RCX,
REG_RSP,
REG_RIP,
REG_EFL,
REG_CSGSFS, /* Actually short cs, gs, fs, __pad0. */
REG_ERR,
REG_TRAPNO,
REG_OLDMASK,
REG_CR2
}
private
{
struct _libc_fpxreg
{
ushort[4] significand;
ushort exponent;
ushort[3] padding;
}
struct _libc_xmmreg
{
uint[4] element;
}
struct _libc_fpstate
{
ushort cwd;
ushort swd;
ushort ftw;
ushort fop;
ulong rip;
ulong rdp;
uint mxcsr;
uint mxcr_mask;
_libc_fpxreg[8] _st;
_libc_xmmreg[16] _xmm;
uint[24] padding;
}
enum NGREG = 23;
alias c_long greg_t;
alias greg_t[NGREG] gregset_t;
alias _libc_fpstate* fpregset_t;
}
struct mcontext_t
{
gregset_t gregs;
fpregset_t fpregs;
c_ulong[8] __reserved1;
}
struct ucontext_t
{
c_ulong uc_flags;
ucontext_t* uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
_libc_fpstate __fpregs_mem;
}
}
else version( X86 )
{
enum
{
REG_GS = 0,
REG_FS,
REG_ES,
REG_DS,
REG_EDI,
REG_ESI,
REG_EBP,
REG_ESP,
REG_EBX,
REG_EDX,
REG_ECX,
REG_EAX,
REG_TRAPNO,
REG_ERR,
REG_EIP,
REG_CS,
REG_EFL,
REG_UESP,
REG_SS
}
private
{
struct _libc_fpreg
{
ushort[4] significand;
ushort exponent;
}
struct _libc_fpstate
{
c_ulong cw;
c_ulong sw;
c_ulong tag;
c_ulong ipoff;
c_ulong cssel;
c_ulong dataoff;
c_ulong datasel;
_libc_fpreg[8] _st;
c_ulong status;
}
enum NGREG = 19;
alias int greg_t;
alias greg_t[NGREG] gregset_t;
alias _libc_fpstate* fpregset_t;
}
struct mcontext_t
{
gregset_t gregs;
fpregset_t fpregs;
c_ulong oldmask;
c_ulong cr2;
}
struct ucontext_t
{
c_ulong uc_flags;
ucontext_t* uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
_libc_fpstate __fpregs_mem;
}
}
else version (MIPS32)
{
private
{
enum NGREG = 32;
enum NFPREG = 32;
alias ulong greg_t;
alias greg_t[NGREG] gregset_t;
struct fpregset_t
{
union fp_r_t
{
double[NFPREG] fp_dregs;
static struct fp_fregs_t
{
float _fp_fregs;
uint _fp_pad;
} fp_fregs_t[NFPREG] fp_fregs;
} fp_r_t fp_r;
}
}
version (MIPS_O32)
{
struct mcontext_t
{
uint regmask;
uint status;
greg_t pc;
gregset_t gregs;
fpregset_t fpregs;
uint fp_owned;
uint fpc_csr;
uint fpc_eir;
uint used_math;
uint dsp;
greg_t mdhi;
greg_t mdlo;
c_ulong hi1;
c_ulong lo1;
c_ulong hi2;
c_ulong lo2;
c_ulong hi3;
c_ulong lo3;
}
}
else
{
struct mcontext_t
{
gregset_t gregs;
fpregset_t fpregs;
greg_t mdhi;
greg_t hi1;
greg_t hi2;
greg_t hi3;
greg_t mdlo;
greg_t lo1;
greg_t lo2;
greg_t lo3;
greg_t pc;
uint fpc_csr;
uint used_math;
uint dsp;
uint reserved;
}
}
struct ucontext_t
{
c_ulong uc_flags;
ucontext_t* uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
}
}
else version (MIPS64)
{
private
{
enum NGREG = 32;
enum NFPREG = 32;
alias ulong greg_t;
alias greg_t[NGREG] gregset_t;
struct fpregset_t
{
union fp_r_t
{
double[NFPREG] fp_dregs;
static struct fp_fregs_t
{
float _fp_fregs;
uint _fp_pad;
} fp_fregs_t[NFPREG] fp_fregs;
} fp_r_t fp_r;
}
}
struct mcontext_t
{
gregset_t gregs;
fpregset_t fpregs;
greg_t mdhi;
greg_t hi1;
greg_t hi2;
greg_t hi3;
greg_t mdlo;
greg_t lo1;
greg_t lo2;
greg_t lo3;
greg_t pc;
uint fpc_csr;
uint used_math;
uint dsp;
uint reserved;
}
struct ucontext_t
{
c_ulong uc_flags;
ucontext_t* uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
}
}
else version (PPC)
{
private
{
enum NGREG = 48;
alias c_ulong greg_t;
alias greg_t[NGREG] gregset_t;
struct fpregset_t
{
double[32] fpregs;
double fpscr;
uint[2] _pad;
}
struct vrregset_t
{
uint[32][4] vrregs;
uint vrsave;
uint[2] __pad;
uint vscr;
}
struct pt_regs
{
c_ulong[32] gpr;
c_ulong nip;
c_ulong msr;
c_ulong orig_gpr3;
c_ulong ctr;
c_ulong link;
c_ulong xer;
c_ulong ccr;
c_ulong mq;
c_ulong trap;
c_ulong dar;
c_ulong dsisr;
c_ulong result;
}
}
struct mcontext_t
{
gregset_t gregs;
fpregset_t fpregs;
align(16) vrregset_t vrregs;
}
struct ucontext_t
{
c_ulong uc_flags;
ucontext_t* uc_link;
stack_t uc_stack;
int[7] uc_pad;
union uc_mcontext
{
pt_regs* regs;
mcontext_t* uc_regs;
}
sigset_t uc_sigmask;
char[mcontext_t.sizeof + 12] uc_reg_space;
}
}
else version (PPC64)
{
private
{
enum NGREG = 48;
enum NFPREG = 33;
enum NVRREG = 34;
alias c_ulong greg_t;
alias greg_t[NGREG] gregset_t;
alias double[NFPREG] fpregset_t;
struct vscr_t
{
uint[3] __pad;
uint vscr_word;
}
struct vrregset_t
{
uint[32][4] vrregs;
vscr_t vscr;
uint vrsave;
uint[3] __pad;
}
struct pt_regs
{
c_ulong[32] gpr;
c_ulong nip;
c_ulong msr;
c_ulong orig_gpr3;
c_ulong ctr;
c_ulong link;
c_ulong xer;
c_ulong ccr;
c_ulong softe;
c_ulong trap;
c_ulong dar;
c_ulong dsisr;
c_ulong result;
}
}
struct mcontext_t
{
c_ulong[4] __unused;
int signal;
int __pad0;
c_ulong handler;
c_ulong oldmask;
pt_regs* regs;
gregset_t gp_regs;
fpregset_t fp_regs;
vrregset_t *v_regs;
c_long[NVRREG+NVRREG+1] vmx_reserve;
}
struct ucontext_t
{
c_ulong uc_flags;
ucontext_t* uc_link;
stack_t uc_stack;
sigset_t uc_sigmask;
mcontext_t uc_mcontext;
}
}
else version(ARM)
{
enum
{
R0 = 0,
R1 = 1,
R2 = 2,
R3 = 3,
R4 = 4,
R5 = 5,
R6 = 6,
R7 = 7,
R8 = 8,
R9 = 9,
R10 = 10,
R11 = 11,
R12 = 12,
R13 = 13,
R14 = 14,
R15 = 15
}
struct sigcontext
{
c_ulong trap_no;
c_ulong error_code;
c_ulong oldmask;
c_ulong arm_r0;
c_ulong arm_r1;
c_ulong arm_r2;
c_ulong arm_r3;
c_ulong arm_r4;
c_ulong arm_r5;
c_ulong arm_r6;
c_ulong arm_r7;
c_ulong arm_r8;
c_ulong arm_r9;
c_ulong arm_r10;
c_ulong arm_fp;
c_ulong arm_ip;
c_ulong arm_sp;
c_ulong arm_lr;
c_ulong arm_pc;
c_ulong arm_cpsr;
c_ulong fault_address;
}
//alias elf_fpregset_t fpregset_t;
alias sigcontext mcontext_t;
struct ucontext_t
{
c_ulong uc_flags;
ucontext_t* uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
align(8) c_ulong[128] uc_regspace;
}
}
else version (AArch64)
{
alias int greg_t;
struct sigcontext {
ulong fault_address;
/* AArch64 registers */
ulong[31] regs;
ulong sp;
ulong pc;
ulong pstate;
/* 4K reserved for FP/SIMD state and future expansion */
align(16) ubyte[4096] __reserved;
}
alias sigcontext mcontext_t;
struct ucontext_t
{
c_ulong uc_flags;
ucontext_t* uc_link;
stack_t uc_stack;
sigset_t uc_sigmask;
mcontext_t uc_mcontext;
}
}
else
static assert(0, "unimplemented");
}
else version( FreeBSD )
{
// <machine/ucontext.h>
version( X86_64 )
{
alias long __register_t;
alias uint __uint32_t;
alias ushort __uint16_t;
struct mcontext_t {
__register_t mc_onstack;
__register_t mc_rdi;
__register_t mc_rsi;
__register_t mc_rdx;
__register_t mc_rcx;
__register_t mc_r8;
__register_t mc_r9;
__register_t mc_rax;
__register_t mc_rbx;
__register_t mc_rbp;
__register_t mc_r10;
__register_t mc_r11;
__register_t mc_r12;
__register_t mc_r13;
__register_t mc_r14;
__register_t mc_r15;
__uint32_t mc_trapno;
__uint16_t mc_fs;
__uint16_t mc_gs;
__register_t mc_addr;
__uint32_t mc_flags;
__uint16_t mc_es;
__uint16_t mc_ds;
__register_t mc_err;
__register_t mc_rip;
__register_t mc_cs;
__register_t mc_rflags;
__register_t mc_rsp;
__register_t mc_ss;
long mc_len; /* sizeof(mcontext_t) */
long mc_fpformat;
long mc_ownedfp;
align(16)
long[64] mc_fpstate;
__register_t mc_fsbase;
__register_t mc_gsbase;
long[6] mc_spare;
}
}
else version( X86 )
{
alias int __register_t;
struct mcontext_t
{
__register_t mc_onstack;
__register_t mc_gs;
__register_t mc_fs;
__register_t mc_es;
__register_t mc_ds;
__register_t mc_edi;
__register_t mc_esi;
__register_t mc_ebp;
__register_t mc_isp;
__register_t mc_ebx;
__register_t mc_edx;
__register_t mc_ecx;
__register_t mc_eax;
__register_t mc_trapno;
__register_t mc_err;
__register_t mc_eip;
__register_t mc_cs;
__register_t mc_eflags;
__register_t mc_esp;
__register_t mc_ss;
int mc_len;
int mc_fpformat;
int mc_ownedfp;
int[1] mc_spare1;
align(16)
int[128] mc_fpstate;
__register_t mc_fsbase;
__register_t mc_gsbase;
int[6] mc_spare2;
}
}
// <ucontext.h>
enum UCF_SWAPPED = 0x00000001;
struct ucontext_t
{
sigset_t uc_sigmask;
mcontext_t uc_mcontext;
ucontext_t* uc_link;
stack_t uc_stack;
int uc_flags;
int[4] __spare__;
}
}
else version ( Solaris )
{
alias uint[4] upad128_t;
version ( X86_64 )
{
enum _NGREG = 28;
alias long greg_t;
}
else version ( X86 )
{
enum _NGREG = 19;
alias int greg_t;
}
alias greg_t[_NGREG] gregset_t;
version ( X86_64 )
{
union _u_st
{
ushort[5] fpr_16;
upad128_t __fpr_pad;
}
struct fpregset_t
{
union fp_reg_set
{
struct fpchip_state
{
ushort cw;
ushort sw;
ubyte fctw;
ubyte __fx_rsvd;
ushort fop;
ulong rip;
ulong rdp;
uint mxcsr;
uint mxcsr_mask;
_u_st[8] st;
upad128_t[16] xmm;
upad128_t[6] __fx_ign2;
uint status;
uint xstatus;
}
uint[130] f_fpregs;
}
}
}
else version ( X86 )
{
struct fpregset_t
{
union u_fp_reg_set
{
struct s_fpchip_state
{
uint[27] state;
uint status;
uint mxcsr;
uint xstatus;
uint[2] __pad;
upad128_t[8] xmm;
}
s_fpchip_state fpchip_state;
struct s_fp_emul_space
{
ubyte[246] fp_emul;
ubyte[2] fp_epad;
}
s_fp_emul_space fp_emul_space;
uint[95] f_fpregs;
}
u_fp_reg_set fp_reg_set;
}
}
struct mcontext_t
{
gregset_t gregs;
fpregset_t fpregs;
}
struct ucontext_t
{
c_ulong uc_flags;
ucontext_t *uc_link;
sigset_t uc_sigmask;
stack_t uc_stack;
mcontext_t uc_mcontext;
c_long[5] uc_filler;
}
}
//
// Obsolescent (OB)
//
/*
int getcontext(ucontext_t*);
void makecontext(ucontext_t*, void function(), int, ...);
int setcontext(in ucontext_t*);
int swapcontext(ucontext_t*, in ucontext_t*);
*/
static if( is( ucontext_t ) )
{
int getcontext(ucontext_t*);
void makecontext(ucontext_t*, void function(), int, ...);
int setcontext(in ucontext_t*);
int swapcontext(ucontext_t*, in ucontext_t*);
}
version (Solaris)
{
int walkcontext(in ucontext_t*, int function(uintptr_t, int, void*), void*);
int addrtosymstr(uintptr_t, char*, int);
int printstack(int);
}
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