diff options
Diffstat (limited to 'sysdeps/i386/sys/ucontext.h')
| -rw-r--r-- | sysdeps/i386/sys/ucontext.h | 44 |
1 files changed, 29 insertions, 15 deletions
diff --git a/sysdeps/i386/sys/ucontext.h b/sysdeps/i386/sys/ucontext.h index a6b936a4c8..fb5df11965 100644 --- a/sysdeps/i386/sys/ucontext.h +++ b/sysdeps/i386/sys/ucontext.h @@ -31,10 +31,13 @@ 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_MISC /* Number of each register is the `gregset_t' array. */ @@ -81,36 +84,47 @@ enum }; #endif +#ifdef __USE_MISC +# define __ctx(fld) fld +# define __ctxt(tag) tag +#else +# define __ctx(fld) __ ## fld +# define __ctxt(tag) /* Empty. */ +#endif + /* Structure to describe FPU registers. */ typedef struct fpregset { union { - struct fpchip_state + struct __ctxt(fpchip_state) { - int state[27]; - int status; - } fpchip_state; + int __ctx(state)[27]; + int __ctx(status); + } __ctx(fpchip_state); - struct fp_emul_space + struct __ctxt(fp_emul_space) { - char fp_emul[246]; - char fp_epad[2]; - } fp_emul_space; + char __ctx(fp_emul)[246]; + char __ctx(fp_epad)[2]; + } __ctx(fp_emul_space); - int f_fpregs[62]; - } fp_reg_set; + int __ctx(f_fpregs)[62]; + } __ctx(fp_reg_set); - long int f_wregs[33]; + long int __ctx(f_wregs)[33]; } fpregset_t; /* Context to describe whole processor state. */ typedef struct { - gregset_t gregs; - fpregset_t fpregs; + gregset_t __ctx(gregs); + fpregset_t __ctx(fpregs); } mcontext_t; +#undef __ctx +#undef __ctxt + /* Userlevel context. */ typedef struct ucontext { |