mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-04 10:50:07 +00:00
63ae7b6309
* Versions.def (libm): Add GLIBC_2.1.3. ISO C99 TR1 changes various fe* functions to return an error value. * math/Versions [GLIBC_2.1.3]: Add feclearexcept, fegetexceptflag, feraiseexcept, fesetexceptflag, fegetenv, fesetenv, and feupdateenv. * sysdeps/alpha/fpu/fclrexcpt.c: Return value and add alias. * sysdeps/alpha/fpu/fegetenv.c: Likewise. * sysdeps/alpha/fpu/fesetenv.c: Likewise. * sysdeps/alpha/fpu/feupdateenv.c: Likewise. * sysdeps/alpha/fpu/fgetexcptflg.c: Likewise. * sysdeps/alpha/fpu/fraiseexcpt.c: Likewise. * sysdeps/alpha/fpu/fsetexcptflg.c: Likewise. * sysdeps/arm/fpu/fclrexcpt.c: Likewise. * sysdeps/arm/fpu/fegetenv.c: Likewise. * sysdeps/arm/fpu/fesetenv.c: Likewise. * sysdeps/arm/fpu/fraiseexcpt.c: Likewise. * sysdeps/arm/fpu/fsetexcptflg.c: Likewise. * sysdeps/generic/fclrexcpt.c: Likewise. * sysdeps/generic/fegetenv.c: Likewise. * sysdeps/generic/fesetenv.c: Likewise. * sysdeps/generic/feupdateenv.c: Likewise. * sysdeps/generic/fgetexcptflg.c: Likewise. * sysdeps/generic/fraiseexcpt.c: Likewise. * sysdeps/generic/fsetexcptflg.c: Likewise. * sysdeps/i386/fpu/fclrexcpt.c: Likewise. * sysdeps/i386/fpu/fegetenv.c: Likewise. * sysdeps/i386/fpu/fesetenv.c: Likewise. * sysdeps/i386/fpu/feupdateenv.c: Likewise. * sysdeps/i386/fpu/fgetexcptflg.c: Likewise. * sysdeps/i386/fpu/fraiseexcpt.c: Likewise. * sysdeps/i386/fpu/fsetexcptflg.c: Likewise. * sysdeps/m68k/fpu/fclrexcpt.c: Likewise. * sysdeps/m68k/fpu/fegetenv.c: Likewise. * sysdeps/m68k/fpu/fesetenv.c: Likewise. * sysdeps/m68k/fpu/feupdateenv.c: Likewise. * sysdeps/m68k/fpu/fgetexcptflg.c: Likewise. * sysdeps/m68k/fpu/fraiseexcpt.c: Likewise. * sysdeps/m68k/fpu/fsetexcptflg.c: Likewise. * sysdeps/mips/fclrexcpt.c: Likewise. * sysdeps/mips/fegetenv.c: Likewise. * sysdeps/mips/fesetenv.c: Likewise. * sysdeps/mips/feupdateenv.c: Likewise. * sysdeps/mips/fgetexcptflg.c: Likewise. * sysdeps/powerpc/fclrexcpt.c: Likewise. * sysdeps/powerpc/fegetenv.c: Likewise. * sysdeps/powerpc/fesetenv.c: Likewise. * sysdeps/powerpc/feupdateenv.c: Likewise. * sysdeps/powerpc/fgetexcptflg.c: Likewise. * sysdeps/powerpc/fraiseexcpt.c: Likewise. * sysdeps/powerpc/fsetexcptflg.c: Likewise. * sysdeps/sparc/fpu/fclrexcpt.c: Likewise. * sysdeps/sparc/fpu/fegetenv.c: Likewise. * sysdeps/sparc/fpu/fesetenv.c: Likewise. * sysdeps/sparc/fpu/feupdateenv.c: Likewise. * sysdeps/sparc/fpu/fgetexcptflg.c: Likewise. * sysdeps/sparc/fpu/fraiseexcpt.c: Likewise. * sysdeps/sparc/fpu/fsetexcptflg.c: Likewise. * math/fenv.h: Adjust prototypes.: Likewise. * manual/arith.texi: Adjust documentation for these changes. * manual/arith.texi: Document feraiseexcept. * sysdeps/powerpc/fegetenv.c: Moved to... * sysdeps/powerpc/fpu/fegetenv.c: ...here. * sysdeps/powerpc/fegetround.c: Moved to... * sysdeps/powerpc/fpu/fegetround.c: ...here. * sysdeps/powerpc/feholdexcpt.c: Moved to... * sysdeps/powerpc/fpu/feholdexcpt.c: ...here. * sysdeps/powerpc/fesetenv.c: Moved to... * sysdeps/powerpc/fpu/fesetenv.c: ...here. * sysdeps/powerpc/fenv_libc.h: Moved to... * sysdeps/powerpc/fpu/fenv_libc.h: ...here. * sysdeps/powerpc/feupdateenv.c: Moved to... * sysdeps/powerpc/fpu/feupdateenv.c: ...here. * sysdeps/powerpc/fgetexcptflg.c: Moved to... * sysdeps/powerpc/fpu/fgetexcptflg.c: ...here. * sysdeps/powerpc/fraiseexcpt.c: Moved to... * sysdeps/powerpc/fpu/fraiseexcpt.c: ...here. * sysdeps/powerpc/fsetexcptflg.c: Moved to... * sysdeps/powerpc/fpu/fsetexcptflg.c: ...here. * sysdeps/powerpc/ftestexcept.c: Moved to... * sysdeps/powerpc/fpu/ftestexcept.c: ...here. * sysdeps/powerpc/fesetround.c: Moved to... * sysdeps/powerpc/fpu/fesetround.c: ...here * sysdeps/powerpc/fenv_const.c: Moved to... * sysdeps/powerpc/fpu/fenv_const.c: ...here. 1999-10-29 Jakub Jelinek <jakub@redhat.com> * stdlib/longlong.h: Avoid UDIV_TIME redefinition. * sysdeps/sparc/sparc32/dl-machine.h: Fix loading of SPARC v8plus libraries from statically linked programs. * sysdeps/unix/sysv/linux/sparc/bits/sigaction.h: POSIX 199309 fix for sigaction on SPARC. Patches by David S. Miller <davem@redhat.com>. * sysdeps/unix/sysv/linux/sparc/sys/ucontext.h: Declare gregset_t and other required structures and defines for SPARC 64bit ABI as well, not only 32bit ABI. 1999-10-31 Andreas Jaeger <aj@suse.de> * sysdeps/sparc/sparc64/fpu/bits/huge_val.h: Replace __USE_ISOC9X by __USE_ISOC99 and update comments. * math/complex.h: Update comments for ISO C99. * math/fenv.h: Likewise. * math/test-fenv.c: Likewise. * math/tgmath.h: Likewise. * libio/stdio.h: Likewise. * posix/sys/types.h: Likewise. * sysdeps/generic/inttypes.h: Likewise. * sysdeps/generic/stdint.h: Likewise. 1999-10-31 Ulrich Drepper <drepper@cygnus.com>
270 lines
7.2 KiB
C
270 lines
7.2 KiB
C
/* Copyright (C) 1998, 1999 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
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#ifndef _SYS_UCONTEXT_H
|
|
#define _SYS_UCONTEXT_H 1
|
|
|
|
#include <features.h>
|
|
#include <signal.h>
|
|
#include <bits/wordsize.h>
|
|
|
|
#if __WORDSIZE == 64
|
|
|
|
#define MC_TSTATE 0
|
|
#define MC_PC 1
|
|
#define MC_NPC 2
|
|
#define MC_Y 3
|
|
#define MC_G1 4
|
|
#define MC_G2 5
|
|
#define MC_G3 6
|
|
#define MC_G4 7
|
|
#define MC_G5 8
|
|
#define MC_G6 9
|
|
#define MC_G7 10
|
|
#define MC_O0 11
|
|
#define MC_O1 12
|
|
#define MC_O2 13
|
|
#define MC_O3 14
|
|
#define MC_O4 15
|
|
#define MC_O5 16
|
|
#define MC_O6 17
|
|
#define MC_O7 18
|
|
#define MC_NGREG 19
|
|
|
|
typedef unsigned long mc_greg_t;
|
|
typedef mc_greg_t mc_gregset_t[MC_NGREG];
|
|
|
|
#define MC_MAXFPQ 16
|
|
struct mc_fq {
|
|
unsigned long *mcfq_addr;
|
|
unsigned int mcfq_insn;
|
|
};
|
|
|
|
struct mc_fpu {
|
|
union {
|
|
unsigned int sregs[32];
|
|
unsigned long dregs[32];
|
|
long double qregs[16];
|
|
} mcfpu_fregs;
|
|
unsigned long mcfpu_fsr;
|
|
unsigned long mcfpu_fprs;
|
|
unsigned long mcfpu_gsr;
|
|
struct mc_fq *mcfpu_fq;
|
|
unsigned char mcfpu_qcnt;
|
|
unsigned char mcfpu_qentsz;
|
|
unsigned char mcfpu_enab;
|
|
};
|
|
typedef struct mc_fpu mc_fpu_t;
|
|
|
|
typedef struct {
|
|
mc_gregset_t mc_gregs;
|
|
mc_greg_t mc_fp;
|
|
mc_greg_t mc_i7;
|
|
mc_fpu_t mc_fpregs;
|
|
} mcontext_t;
|
|
|
|
typedef struct ucontext {
|
|
struct ucontext *uc_link;
|
|
unsigned long uc_flags;
|
|
unsigned long uc_sigmask;
|
|
mcontext_t uc_mcontext;
|
|
} ucontext_t;
|
|
|
|
#endif /* __WORDISIZE == 64 */
|
|
|
|
/*
|
|
* Location of the users' stored registers relative to R0.
|
|
* Usage is as an index into a gregset_t array or as u.u_ar0[XX].
|
|
*/
|
|
#define REG_PSR (0)
|
|
#define REG_PC (1)
|
|
#define REG_nPC (2)
|
|
#define REG_Y (3)
|
|
#define REG_G1 (4)
|
|
#define REG_G2 (5)
|
|
#define REG_G3 (6)
|
|
#define REG_G4 (7)
|
|
#define REG_G5 (8)
|
|
#define REG_G6 (9)
|
|
#define REG_G7 (10)
|
|
#define REG_O0 (11)
|
|
#define REG_O1 (12)
|
|
#define REG_O2 (13)
|
|
#define REG_O3 (14)
|
|
#define REG_O4 (15)
|
|
#define REG_O5 (16)
|
|
#define REG_O6 (17)
|
|
#define REG_O7 (18)
|
|
|
|
/*
|
|
* A gregset_t is defined as an array type for compatibility with the reference
|
|
* source. This is important due to differences in the way the C language
|
|
* treats arrays and structures as parameters.
|
|
*
|
|
* Note that NGREG is really (sizeof (struct regs) / sizeof (greg_t)),
|
|
* but that the ABI defines it absolutely to be 21 (resp. 19).
|
|
*/
|
|
|
|
#if __WORDSIZE == 64
|
|
|
|
#define REG_ASI (19)
|
|
#define REG_FPRS (20)
|
|
|
|
#define NGREG 21
|
|
typedef long greg_t;
|
|
|
|
#else /* __WORDSIZE == 32 */
|
|
|
|
#define NGREG 19
|
|
typedef int greg_t;
|
|
|
|
#endif /* __WORDSIZE == 32 */
|
|
|
|
typedef greg_t gregset_t[NGREG];
|
|
|
|
/*
|
|
* The following structures define how a register window can appear on the
|
|
* stack. This structure is available (when required) through the `gwins'
|
|
* field of an mcontext (nested within ucontext). SPARC_MAXWINDOW is the
|
|
* maximum number of outstanding regiters window defined in the SPARC
|
|
* architecture (*not* implementation).
|
|
*/
|
|
#define SPARC_MAXREGWINDOW 31 /* max windows in SPARC arch. */
|
|
struct rwindow
|
|
{
|
|
greg_t rw_local[8]; /* locals */
|
|
greg_t rw_in[8]; /* ins */
|
|
};
|
|
|
|
#define rw_fp rw_in[6] /* frame pointer */
|
|
#define rw_rtn rw_in[7] /* return address */
|
|
|
|
typedef struct gwindows
|
|
{
|
|
int wbcnt;
|
|
int *spbuf[SPARC_MAXREGWINDOW];
|
|
struct rwindow wbuf[SPARC_MAXREGWINDOW];
|
|
} gwindows_t;
|
|
|
|
/*
|
|
* Floating point definitions.
|
|
*/
|
|
|
|
#define MAXFPQ 16 /* max # of fpu queue entries currently supported */
|
|
|
|
/*
|
|
* struct fq defines the minimal format of a floating point instruction queue
|
|
* entry. The size of entries in the floating point queue are implementation
|
|
* dependent. The union FQu is guarenteed to be the first field in any ABI
|
|
* conformant system implementation. Any additional fields provided by an
|
|
* implementation should not be used applications designed to be ABI conformant. */
|
|
|
|
struct fpq
|
|
{
|
|
unsigned long *fpq_addr; /* address */
|
|
unsigned long fpq_instr; /* instruction */
|
|
};
|
|
|
|
struct fq
|
|
{
|
|
union /* FPU inst/addr queue */
|
|
{
|
|
double whole;
|
|
struct fpq fpq;
|
|
} FQu;
|
|
};
|
|
|
|
#define FPU_REGS_TYPE unsigned
|
|
#define FPU_DREGS_TYPE unsigned long long
|
|
#define V7_FPU_FSR_TYPE unsigned
|
|
#define V9_FPU_FSR_TYPE unsigned long long
|
|
#define V9_FPU_FPRS_TYPE unsigned
|
|
|
|
#if __WORDSIZE == 64
|
|
|
|
typedef struct fpu
|
|
{
|
|
union { /* FPU floating point regs */
|
|
unsigned fpu_regs[32]; /* 32 singles */
|
|
double fpu_dregs[16]; /* 32 doubles */
|
|
long double fpu_qregs[16]; /* 16 quads */
|
|
} fpu_fr;
|
|
struct fq *fpu_q; /* ptr to array of FQ entries */
|
|
unsigned long fpu_fsr; /* FPU status register */
|
|
unsigned char fpu_qcnt; /* # of entries in saved FQ */
|
|
unsigned char fpu_q_entrysize; /* # of bytes per FQ entry */
|
|
unsigned char fpu_en; /* flag signifying fpu in use */
|
|
} fpregset_t;
|
|
|
|
#else /* __WORDSIZE == 32 */
|
|
|
|
typedef struct fpu
|
|
{
|
|
union { /* FPU floating point regs */
|
|
unsigned long long fpu_regs[32]; /* 32 singles */
|
|
double fpu_dregs[16]; /* 16 doubles */
|
|
} fpu_fr;
|
|
struct fq *fpu_q; /* ptr to array of FQ entries */
|
|
unsigned fpu_fsr; /* FPU status register */
|
|
unsigned char fpu_qcnt; /* # of entries in saved FQ */
|
|
unsigned char fpu_q_entrysize; /* # of bytes per FQ entry */
|
|
unsigned char fpu_en; /* flag signifying fpu in use */
|
|
} fpregset_t;
|
|
|
|
/*
|
|
* The following structure is for associating extra register state with
|
|
* the ucontext structure and is kept within the uc_mcontext filler area.
|
|
*
|
|
* If (xrs_id == XRS_ID) then the xrs_ptr field is a valid pointer to
|
|
* extra register state. The exact format of the extra register state
|
|
* pointed to by xrs_ptr is platform-dependent.
|
|
*
|
|
* Note: a platform may or may not manage extra register state.
|
|
*/
|
|
typedef struct
|
|
{
|
|
unsigned int xrs_id; /* indicates xrs_ptr validity */
|
|
void * xrs_ptr; /* ptr to extra reg state */
|
|
} xrs_t;
|
|
|
|
#define XRS_ID 0x78727300 /* the string "xrs" */
|
|
|
|
typedef struct
|
|
{
|
|
gregset_t gregs; /* general register set */
|
|
gwindows_t *gwins; /* POSSIBLE pointer to register windows */
|
|
fpregset_t fpregs; /* floating point register set */
|
|
xrs_t xrs; /* POSSIBLE extra register state association */
|
|
long filler[19];
|
|
} mcontext_t;
|
|
|
|
|
|
/* Userlevel context. */
|
|
typedef struct ucontext
|
|
{
|
|
unsigned long uc_flags;
|
|
struct ucontext *uc_link;
|
|
unsigned long uc_sigmask[4]; /* a svr4 sigset_t */
|
|
stack_t uc_stack;
|
|
mcontext_t uc_mcontext;
|
|
long uc_filler[23];
|
|
} ucontext_t;
|
|
|
|
#endif /* __WORDSIZE == 32 */
|
|
#endif /* sys/ucontext.h */
|