diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h | 105 |
1 files changed, 62 insertions, 43 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h b/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h index 04100a2023..1bb6e4c8a6 100644 --- a/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h +++ b/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1998-2016 Free Software Foundation, Inc. +/* Copyright (C) 1998-2018 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 @@ -19,25 +19,35 @@ #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/sigset_t.h> +#include <bits/types/stack_t.h> + + +#ifdef __USE_MISC +# define __ctx(fld) fld +#else +# define __ctx(fld) __ ## fld +#endif + +struct __ctx(pt_regs); #if __WORDSIZE == 32 /* Number of general registers. */ -# define NGREG 48 +# define __NGREG 48 +# ifdef __USE_MISC +# define NGREG __NGREG +# endif /* Container for all general registers. */ -typedef unsigned long gregset_t[NGREG]; +typedef unsigned long gregset_t[__NGREG]; /* Container for floating-point registers and status */ typedef struct _libc_fpstate { - double fpregs[32]; - double fpscr; + double __ctx(fpregs)[32]; + double __ctx(fpscr); unsigned int _pad[2]; } fpregset_t; @@ -45,18 +55,18 @@ typedef struct _libc_fpstate Needs to be aligned on a 16-byte boundary. */ typedef struct _libc_vrstate { - unsigned int vrregs[32][4]; - unsigned int vrsave; + unsigned int __ctx(vrregs)[32][4]; + unsigned int __ctx(vrsave); unsigned int _pad[2]; - unsigned int vscr; + unsigned int __ctx(vscr); } vrregset_t; /* Context to describe whole processor state. */ typedef struct { - gregset_t gregs; - fpregset_t fpregs; - vrregset_t vrregs __attribute__((__aligned__(16))); + gregset_t __ctx(gregs); + fpregset_t __ctx(fpregs); + vrregset_t __ctx(vrregs) __attribute__((__aligned__(16))); } mcontext_t; #else @@ -64,18 +74,24 @@ typedef struct /* For 64-bit kernels with Altivec support, a machine context is exactly * a sigcontext. For older kernel (without Altivec) the sigcontext matches * the mcontext upto but not including the v_regs field. For kernels that - * don't AT_HWCAP or return AT_HWCAP without PPC_FEATURE_HAS_ALTIVEC the - * v_regs field may not exit and should not be referenced. The v_regd field + * don't set AT_HWCAP or return AT_HWCAP without PPC_FEATURE_HAS_ALTIVEC the + * v_regs field may not exist and should not be referenced. The v_regd field * can be refernced safely only after verifying that PPC_FEATURE_HAS_ALTIVEC * is set in AT_HWCAP. */ /* Number of general registers. */ -# define NGREG 48 /* includes r0-r31, nip, msr, lr, etc. */ -# define NFPREG 33 /* includes fp0-fp31 &fpscr. */ -# define NVRREG 34 /* includes v0-v31, vscr, & vrsave in split vectors */ - -typedef unsigned long gregset_t[NGREG]; -typedef double fpregset_t[NFPREG]; +# define __NGREG 48 /* includes r0-r31, nip, msr, lr, etc. */ +# define __NFPREG 33 /* includes fp0-fp31 &fpscr. */ +# define __NVRREG 34 /* includes v0-v31, vscr, & vrsave in + split vectors */ +# ifdef __USE_MISC +# define NGREG __NGREG +# define NFPREG __NFPREG +# define NVRREG __NVRREG +# endif + +typedef unsigned long gregset_t[__NGREG]; +typedef double fpregset_t[__NFPREG]; /* Container for Altivec/VMX Vector Status and Control Register. Only 32-bits but can only be copied to/from a 128-bit vector register. So we allocated @@ -83,28 +99,28 @@ typedef double fpregset_t[NFPREG]; typedef struct _libc_vscr { unsigned int __pad[3]; - unsigned int vscr_word; + unsigned int __ctx(vscr_word); } vscr_t; /* Container for Altivec/VMX registers and status. Must to be aligned on a 16-byte boundary. */ typedef struct _libc_vrstate { - unsigned int vrregs[32][4]; - vscr_t vscr; - unsigned int vrsave; + unsigned int __ctx(vrregs)[32][4]; + vscr_t __ctx(vscr); + unsigned int __ctx(vrsave); unsigned int __pad[3]; } vrregset_t __attribute__((__aligned__(16))); typedef struct { unsigned long __glibc_reserved[4]; - int signal; + int __ctx(signal); int __pad0; - unsigned long handler; - unsigned long oldmask; - struct pt_regs *regs; - gregset_t gp_regs; - fpregset_t fp_regs; + unsigned long __ctx(handler); + unsigned long __ctx(oldmask); + struct __ctx(pt_regs) *__ctx(regs); + gregset_t __ctx(gp_regs); + fpregset_t __ctx(fp_regs); /* * To maintain compatibility with current implementations the sigcontext is * extended by appending a pointer (v_regs) to a quadword type (elf_vrreg_t) @@ -124,17 +140,17 @@ typedef struct { * The entry with index 33 contains the vrsave as the first word (offset 0) * within the quadword. */ - vrregset_t *v_regs; - long vmx_reserve[NVRREG+NVRREG+1]; + vrregset_t *__ctx(v_regs); + long __ctx(vmx_reserve)[__NVRREG+__NVRREG+1]; } mcontext_t; #endif /* 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; #if __WORDSIZE == 32 /* @@ -160,17 +176,20 @@ typedef struct ucontext * old ucontext_t; it ensures that uc_mcontext.regs and uc_sigmask * are at the same offset as previously. */ - int uc_pad[7]; - union uc_regs_ptr { - struct pt_regs *regs; - mcontext_t *uc_regs; + int __glibc_reserved1[7]; + union __ctx(uc_regs_ptr) { + struct __ctx(pt_regs) *__ctx(regs); + mcontext_t *__ctx(uc_regs); } uc_mcontext; sigset_t uc_sigmask; - char uc_reg_space[sizeof(mcontext_t) + 12]; /* last for extensibility */ + /* last for extensibility */ + char __ctx(uc_reg_space)[sizeof(mcontext_t) + 12]; #else /* 64-bit */ sigset_t uc_sigmask; mcontext_t uc_mcontext; /* last for extensibility */ #endif } ucontext_t; +#undef __ctx + #endif /* sys/ucontext.h */ |