diff options
Diffstat (limited to 'sysdeps/x86_64/bits')
| -rw-r--r-- | sysdeps/x86_64/bits/byteswap.h | 7 | ||||
| -rw-r--r-- | sysdeps/x86_64/bits/link.h | 125 | ||||
| -rw-r--r-- | sysdeps/x86_64/bits/linkmap.h | 14 | ||||
| -rw-r--r-- | sysdeps/x86_64/bits/mathdef.h | 48 | ||||
| -rw-r--r-- | sysdeps/x86_64/bits/setjmp.h | 41 |
5 files changed, 182 insertions, 53 deletions
diff --git a/sysdeps/x86_64/bits/byteswap.h b/sysdeps/x86_64/bits/byteswap.h index e1c861c75f..ec2b17889d 100644 --- a/sysdeps/x86_64/bits/byteswap.h +++ b/sysdeps/x86_64/bits/byteswap.h @@ -1,5 +1,6 @@ /* Macros to swap the order of bytes in integer values. - Copyright (C) 1997, 1998, 2000, 2002, 2003 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 2000, 2002, 2003, 2007 + 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 @@ -59,7 +60,9 @@ # if __WORDSIZE == 64 || (defined __i486__ || defined __pentium__ \ || defined __pentiumpro__ || defined __pentium4__ \ || defined __k8__ || defined __athlon__ \ - || defined __k6__) + || defined __k6__ || defined __nocona__ \ + || defined __core2__ || defined __geode__ \ + || defined __amdfam10__) /* To swap the bytes in a word the i486 processors and up provide the `bswap' opcode. On i386 we have to use three instructions. */ # define __bswap_32(x) \ diff --git a/sysdeps/x86_64/bits/link.h b/sysdeps/x86_64/bits/link.h index 8ea7157156..2890c2d88d 100644 --- a/sysdeps/x86_64/bits/link.h +++ b/sysdeps/x86_64/bits/link.h @@ -1,14 +1,117 @@ -#if __WORDSIZE == 64 -struct link_map_machine - { - Elf64_Addr plt; /* Address of .plt + 0x16 */ - Elf64_Addr gotplt; /* Address of .got + 0x18 */ - }; +/* Copyright (C) 2004, 2005 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _LINK_H +# error "Never include <bits/link.h> directly; use <link.h> instead." +#endif + + +#if __ELF_NATIVE_CLASS == 32 +/* Registers for entry into PLT on IA-32. */ +typedef struct La_i86_regs +{ + uint32_t lr_edx; + uint32_t lr_ecx; + uint32_t lr_eax; + uint32_t lr_ebp; + uint32_t lr_esp; +} La_i86_regs; + +/* Return values for calls from PLT on IA-32. */ +typedef struct La_i86_retval +{ + uint32_t lrv_eax; + uint32_t lrv_edx; + long double lrv_st0; + long double lrv_st1; +} La_i86_retval; + + +__BEGIN_DECLS + +extern Elf32_Addr la_i86_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx, + uintptr_t *__refcook, + uintptr_t *__defcook, + La_i86_regs *__regs, + unsigned int *__flags, + const char *__symname, + long int *__framesizep); +extern unsigned int la_i86_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx, + uintptr_t *__refcook, + uintptr_t *__defcook, + const La_i86_regs *__inregs, + La_i86_retval *__outregs, + const char *symname); + +__END_DECLS #else -struct link_map_machine - { - Elf32_Addr plt; /* Address of .plt + 0x16 */ - Elf32_Addr gotplt; /* Address of .got + 0x0c */ - }; + +/* Registers for entry into PLT on x86-64. */ +# if __GNUC_PREREQ (4,0) +typedef float La_x86_64_xmm __attribute__ ((__vector_size__ (16))); +# else +typedef float La_x86_64_xmm __attribute__ ((__mode__ (__V4SF__))); +# endif + +typedef struct La_x86_64_regs +{ + uint64_t lr_rdx; + uint64_t lr_r8; + uint64_t lr_r9; + uint64_t lr_rcx; + uint64_t lr_rsi; + uint64_t lr_rdi; + uint64_t lr_rbp; + uint64_t lr_rsp; + La_x86_64_xmm lr_xmm[8]; +} La_x86_64_regs; + +/* Return values for calls from PLT on x86-64. */ +typedef struct La_x86_64_retval +{ + uint64_t lrv_rax; + uint64_t lrv_rdx; + La_x86_64_xmm lrv_xmm0; + La_x86_64_xmm lrv_xmm1; + long double lrv_st0; + long double lrv_st1; +} La_x86_64_retval; + + +__BEGIN_DECLS + +extern Elf64_Addr la_x86_64_gnu_pltenter (Elf64_Sym *__sym, + unsigned int __ndx, + uintptr_t *__refcook, + uintptr_t *__defcook, + La_x86_64_regs *__regs, + unsigned int *__flags, + const char *__symname, + long int *__framesizep); +extern unsigned int la_x86_64_gnu_pltexit (Elf64_Sym *__sym, + unsigned int __ndx, + uintptr_t *__refcook, + uintptr_t *__defcook, + const La_x86_64_regs *__inregs, + La_x86_64_retval *__outregs, + const char *symname); + +__END_DECLS + #endif diff --git a/sysdeps/x86_64/bits/linkmap.h b/sysdeps/x86_64/bits/linkmap.h new file mode 100644 index 0000000000..8ea7157156 --- /dev/null +++ b/sysdeps/x86_64/bits/linkmap.h @@ -0,0 +1,14 @@ +#if __WORDSIZE == 64 +struct link_map_machine + { + Elf64_Addr plt; /* Address of .plt + 0x16 */ + Elf64_Addr gotplt; /* Address of .got + 0x18 */ + }; + +#else +struct link_map_machine + { + Elf32_Addr plt; /* Address of .plt + 0x16 */ + Elf32_Addr gotplt; /* Address of .got + 0x0c */ + }; +#endif diff --git a/sysdeps/x86_64/bits/mathdef.h b/sysdeps/x86_64/bits/mathdef.h new file mode 100644 index 0000000000..7b16189590 --- /dev/null +++ b/sysdeps/x86_64/bits/mathdef.h @@ -0,0 +1,48 @@ +/* Copyright (C) 2001, 2004 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#if !defined _MATH_H && !defined _COMPLEX_H +# error "Never use <bits/mathdef.h> directly; include <math.h> instead" +#endif + +#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF +# define _MATH_H_MATHDEF 1 + +# include <bits/wordsize.h> + +# if __WORDSIZE == 64 || (defined __FLT_EVAL_METHOD__ && __FLT_EVAL_METHOD__ == 0) +/* The x86-64 architecture computes values with the precission of the + used type. Similarly for -m32 -mfpmath=sse. */ +typedef float float_t; /* `float' expressions are evaluated as `float'. */ +typedef double double_t; /* `double' expressions are evaluated + as `double'. */ +# else +/* The ix87 FPUs evaluate all values in the 80 bit floating-point format + which is also available for the user as `long double'. Therefore we + define: */ +typedef long double float_t; /* `float' expressions are evaluated as + `long double'. */ +typedef long double double_t; /* `double' expressions are evaluated as + `long double'. */ +# endif + +/* The values returned by `ilogb' for 0 and NaN respectively. */ +# define FP_ILOGB0 (-2147483647 - 1) +# define FP_ILOGBNAN (-2147483647 - 1) + +#endif /* ISO C99 */ diff --git a/sysdeps/x86_64/bits/setjmp.h b/sysdeps/x86_64/bits/setjmp.h index 96646efdda..c9b98b2e3b 100644 --- a/sysdeps/x86_64/bits/setjmp.h +++ b/sysdeps/x86_64/bits/setjmp.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 2001,2002,2003,2005,2006 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 @@ -26,36 +26,6 @@ #include <bits/wordsize.h> -#if __WORDSIZE == 64 - -/* We only need to save callee-saved registers plus stackpointer and - program counter. */ -# if defined __USE_MISC || defined _ASM -# define JB_RBX 0 -# define JB_RBP 1 -# define JB_R12 2 -# define JB_R13 3 -# define JB_R14 4 -# define JB_R15 5 -# define JB_RSP 6 -# define JB_PC 7 -# define JB_SIZE (8*8) -# endif - -#else - -# if defined __USE_MISC || defined _ASM -# define JB_BX 0 -# define JB_SI 1 -# define JB_DI 2 -# define JB_BP 3 -# define JB_SP 4 -# define JB_PC 5 -# define JB_SIZE 24 -# endif - -#endif - #ifndef _ASM # if __WORDSIZE == 64 @@ -64,15 +34,6 @@ typedef long int __jmp_buf[8]; typedef int __jmp_buf[6]; # endif -/* Test if longjmp to JMPBUF would unwind the frame - containing a local variable at ADDRESS. */ -# if __WORDSIZE == 64 -# define _JMPBUF_UNWINDS(jmpbuf, address) \ - ((void *) (address) < (void *) (jmpbuf)[JB_RSP]) -# else -# define _JMPBUF_UNWINDS(jmpbuf, address) \ - ((void *) (address) < (void *) (jmpbuf)[JB_SP]) -# endif #endif #endif /* bits/setjmp.h */ |