diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86/sys/ucontext.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86/sys/ucontext.h | 74 |
1 files changed, 44 insertions, 30 deletions
diff --git a/sysdeps/unix/sysv/linux/x86/sys/ucontext.h b/sysdeps/unix/sysv/linux/x86/sys/ucontext.h index 92a698e4b4..5fd64bf801 100644 --- a/sysdeps/unix/sysv/linux/x86/sys/ucontext.h +++ b/sysdeps/unix/sysv/linux/x86/sys/ucontext.h @@ -25,16 +25,25 @@ #include <bits/types/stack_t.h> +#ifdef __USE_MISC +# define __ctx(fld) fld +#else +# define __ctx(fld) __ ## fld +#endif + #ifdef __x86_64__ /* Type for general register. */ __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. */ @@ -91,8 +100,8 @@ enum struct _libc_fpxreg { - unsigned short int significand[4]; - unsigned short int exponent; + unsigned short int __ctx(significand)[4]; + unsigned short int __ctx(exponent); unsigned short int __glibc_reserved1[3]; }; @@ -104,14 +113,14 @@ struct _libc_xmmreg 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 __glibc_reserved1[24]; @@ -123,9 +132,9 @@ 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; @@ -146,10 +155,13 @@ 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 +211,21 @@ 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. */ @@ -222,12 +234,12 @@ 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. */ @@ -243,4 +255,6 @@ typedef struct ucontext #endif /* !__x86_64__ */ +#undef __ctx + #endif /* sys/ucontext.h */ |