diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86/sys/ucontext.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86/sys/ucontext.h | 108 |
1 files changed, 62 insertions, 46 deletions
diff --git a/sysdeps/unix/sysv/linux/x86/sys/ucontext.h b/sysdeps/unix/sysv/linux/x86/sys/ucontext.h index 062063526b..7367726a50 100644 --- a/sysdeps/unix/sysv/linux/x86/sys/ucontext.h +++ b/sysdeps/unix/sysv/linux/x86/sys/ucontext.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2001-2016 Free Software Foundation, Inc. +/* Copyright (C) 2001-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -19,11 +19,17 @@ #define _SYS_UCONTEXT_H 1 #include <features.h> -#include <signal.h> -/* We need the signal context definitions even if they are not used - included in <signal.h>. */ -#include <bits/sigcontext.h> +#include <bits/types.h> +#include <bits/types/sigset_t.h> +#include <bits/types/stack_t.h> + + +#ifdef __USE_MISC +# define __ctx(fld) fld +#else +# define __ctx(fld) __ ## fld +#endif #ifdef __x86_64__ @@ -31,10 +37,13 @@ __extension__ typedef long long int greg_t; /* Number of general registers. */ -#define NGREG 23 +#define __NGREG 23 +#ifdef __USE_MISC +# define NGREG __NGREG +#endif /* Container for all general registers. */ -typedef greg_t gregset_t[NGREG]; +typedef greg_t gregset_t[__NGREG]; #ifdef __USE_GNU /* Number of each register in the `gregset_t' array. */ @@ -91,30 +100,30 @@ enum struct _libc_fpxreg { - unsigned short int significand[4]; - unsigned short int exponent; - unsigned short int padding[3]; + unsigned short int __ctx(significand)[4]; + unsigned short int __ctx(exponent); + unsigned short int __glibc_reserved1[3]; }; struct _libc_xmmreg { - __uint32_t element[4]; + __uint32_t __ctx(element)[4]; }; struct _libc_fpstate { /* 64-bit FXSAVE format. */ - __uint16_t cwd; - __uint16_t swd; - __uint16_t ftw; - __uint16_t fop; - __uint64_t rip; - __uint64_t rdp; - __uint32_t mxcsr; - __uint32_t mxcr_mask; + __uint16_t __ctx(cwd); + __uint16_t __ctx(swd); + __uint16_t __ctx(ftw); + __uint16_t __ctx(fop); + __uint64_t __ctx(rip); + __uint64_t __ctx(rdp); + __uint32_t __ctx(mxcsr); + __uint32_t __ctx(mxcr_mask); struct _libc_fpxreg _st[8]; struct _libc_xmmreg _xmm[16]; - __uint32_t padding[24]; + __uint32_t __glibc_reserved1[24]; }; /* Structure to describe FPU registers. */ @@ -123,21 +132,22 @@ typedef struct _libc_fpstate *fpregset_t; /* Context to describe whole processor state. */ typedef struct { - gregset_t gregs; + gregset_t __ctx(gregs); /* Note that fpregs is a pointer. */ - fpregset_t fpregs; + fpregset_t __ctx(fpregs); __extension__ unsigned long long __reserved1 [8]; } mcontext_t; /* Userlevel context. */ -typedef struct ucontext +typedef struct ucontext_t { - unsigned long int uc_flags; - struct ucontext *uc_link; + unsigned long int __ctx(uc_flags); + struct ucontext_t *uc_link; stack_t uc_stack; mcontext_t uc_mcontext; - __sigset_t uc_sigmask; + sigset_t uc_sigmask; struct _libc_fpstate __fpregs_mem; + __extension__ unsigned long long int __ssp[4]; } ucontext_t; #else /* !__x86_64__ */ @@ -146,10 +156,13 @@ typedef struct ucontext typedef int greg_t; /* Number of general registers. */ -#define NGREG 19 +#define __NGREG 19 +#ifdef __USE_MISC +# define NGREG __NGREG +#endif /* Container for all general registers. */ -typedef greg_t gregset_t[NGREG]; +typedef greg_t gregset_t[__NGREG]; #ifdef __USE_GNU /* Number of each register is the `gregset_t' array. */ @@ -199,21 +212,21 @@ enum /* Definitions taken from the kernel headers. */ struct _libc_fpreg { - unsigned short int significand[4]; - unsigned short int exponent; + unsigned short int __ctx(significand)[4]; + unsigned short int __ctx(exponent); }; struct _libc_fpstate { - unsigned long int cw; - unsigned long int sw; - unsigned long int tag; - unsigned long int ipoff; - unsigned long int cssel; - unsigned long int dataoff; - unsigned long int datasel; + unsigned long int __ctx(cw); + unsigned long int __ctx(sw); + unsigned long int __ctx(tag); + unsigned long int __ctx(ipoff); + unsigned long int __ctx(cssel); + unsigned long int __ctx(dataoff); + unsigned long int __ctx(datasel); struct _libc_fpreg _st[8]; - unsigned long int status; + unsigned long int __ctx(status); }; /* Structure to describe FPU registers. */ @@ -222,25 +235,28 @@ typedef struct _libc_fpstate *fpregset_t; /* Context to describe whole processor state. */ typedef struct { - gregset_t gregs; + gregset_t __ctx(gregs); /* Due to Linux's history we have to use a pointer here. The SysV/i386 ABI requires a struct with the values. */ - fpregset_t fpregs; - unsigned long int oldmask; - unsigned long int cr2; + fpregset_t __ctx(fpregs); + unsigned long int __ctx(oldmask); + unsigned long int __ctx(cr2); } mcontext_t; /* Userlevel context. */ -typedef struct ucontext +typedef struct ucontext_t { - unsigned long int uc_flags; - struct ucontext *uc_link; + unsigned long int __ctx(uc_flags); + struct ucontext_t *uc_link; stack_t uc_stack; mcontext_t uc_mcontext; - __sigset_t uc_sigmask; + sigset_t uc_sigmask; struct _libc_fpstate __fpregs_mem; + unsigned long int __ssp[4]; } ucontext_t; #endif /* !__x86_64__ */ +#undef __ctx + #endif /* sys/ucontext.h */ |