diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/generic/dl-machine.h | 7 | ||||
| -rw-r--r-- | sysdeps/powerpc/dl-machine.h | 7 | ||||
| -rw-r--r-- | sysdeps/s390/dl-machine.h | 9 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/arm/Dist | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/arm/Makefile | 8 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/arm/dl-procinfo.c | 31 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/arm/dl-procinfo.h | 89 |
7 files changed, 133 insertions, 20 deletions
diff --git a/sysdeps/generic/dl-machine.h b/sysdeps/generic/dl-machine.h index b8502f71cc..82d76dbf28 100644 --- a/sysdeps/generic/dl-machine.h +++ b/sysdeps/generic/dl-machine.h @@ -1,5 +1,5 @@ /* Machine-dependent ELF dynamic relocation inline functions. Stub version. - Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1995,1996,1997,1999,2000,2001 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 @@ -99,11 +99,6 @@ elf_machine_rela (Elf32_Addr loadaddr, Elf32_Dyn *info[DT_NUM], } -/* Nonzero iff TYPE describes relocation of a PLT entry, so - PLT entries should not be allowed to define the value. */ -#define elf_machine_pltrel_p(type) ((type) == R_???_JMP_SLOT) - - /* Set up the loaded object described by L so its unrelocated PLT entries will jump to the on-demand fixup code in dl-runtime.c. */ diff --git a/sysdeps/powerpc/dl-machine.h b/sysdeps/powerpc/dl-machine.h index c8d6c113cf..961aafbd62 100644 --- a/sysdeps/powerpc/dl-machine.h +++ b/sysdeps/powerpc/dl-machine.h @@ -1,6 +1,5 @@ /* Machine-dependent ELF dynamic relocation inline functions. PowerPC version. - Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 - Free Software Foundation, Inc. + Copyright (C) 1995-2000, 2001 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 @@ -227,10 +226,6 @@ __elf_preferred_address(struct link_map *loader, size_t maplength, /* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */ #define ELF_MACHINE_JMP_SLOT R_PPC_JMP_SLOT -/* Nonzero iff TYPE describes relocation of a PLT entry, so - PLT entries should not be allowed to define the value. */ -#define elf_machine_pltrel_p(type) ((type) == R_PPC_JMP_SLOT) - /* Set up the loaded object described by L so its unrelocated PLT entries will jump to the on-demand fixup code in dl-runtime.c. Also install a small trampoline to be used by entries that have diff --git a/sysdeps/s390/dl-machine.h b/sysdeps/s390/dl-machine.h index 16892cd3bf..0f0ec8f694 100644 --- a/sysdeps/s390/dl-machine.h +++ b/sysdeps/s390/dl-machine.h @@ -223,9 +223,6 @@ _dl_runtime_profile:\n\ "); #endif -/* The PLT uses Elf32_Rela relocs. */ -#define elf_machine_relplt elf_machine_rela - /* Mask identifying addresses reserved for the user program, where the dynamic linker should not map anything. */ #define ELF_MACHINE_USER_ADDRESS_MASK 0xf8000000UL @@ -306,10 +303,6 @@ _dl_start_user:\n\ #define RTLD_START_SPECIAL_INIT /* nothing */ #endif -/* Nonzero iff TYPE describes relocation of a PLT entry, so - PLT entries should not be allowed to define the value. */ -#define elf_machine_pltrel_p(type) ((type) == R_390_JMP_SLOT) - /* Nonzero iff TYPE should not be allowed to resolve to one of the main executable's symbols, as for a COPY reloc. */ #define elf_machine_lookup_noexec_p(type) ((type) == R_390_COPY) @@ -432,7 +425,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, } case R_390_PC32: - *reloc_addr = value +reloc->r_addend - (Elf32_Addr) reloc_addr; + *reloc_addr = value + reloc->r_addend - (Elf32_Addr) reloc_addr; break; case R_390_NONE: break; diff --git a/sysdeps/unix/sysv/linux/arm/Dist b/sysdeps/unix/sysv/linux/arm/Dist index 60513f7c46..83f87192d6 100644 --- a/sysdeps/unix/sysv/linux/arm/Dist +++ b/sysdeps/unix/sysv/linux/arm/Dist @@ -1,4 +1,6 @@ clone.S +dl-procinfo.c +dl-procinfo.h ioperm.c setresuid.c setresgid.c diff --git a/sysdeps/unix/sysv/linux/arm/Makefile b/sysdeps/unix/sysv/linux/arm/Makefile index 6040b20193..aeaaa39fce 100644 --- a/sysdeps/unix/sysv/linux/arm/Makefile +++ b/sysdeps/unix/sysv/linux/arm/Makefile @@ -12,3 +12,11 @@ endif ifeq ($(subdir),resource) sysdep_routines += oldgetrlimit64 endif + +ifeq ($(subdir),elf) +# extra shared linker files to link into dl-allobjs.so and libc +sysdep-dl-routines += dl-procinfo +sysdep_routines += dl-procinfo +# extra shared linker files to link only into dl-allobjs.so +sysdep-rtld-routines += dl-procinfo +endif diff --git a/sysdeps/unix/sysv/linux/arm/dl-procinfo.c b/sysdeps/unix/sysv/linux/arm/dl-procinfo.c new file mode 100644 index 0000000000..564d7d153a --- /dev/null +++ b/sysdeps/unix/sysv/linux/arm/dl-procinfo.c @@ -0,0 +1,31 @@ +/* Data for Linux/ARM version of processor capability information. + Copyright (C) 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Philip Blundell <philb@gnu.org>, 2001. + + 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. */ + +/* This information must be kept in sync with the _DL_HWCAP_COUNT and + _DL_PLATFORM_COUNT definitions in procinfo.h. */ + + +/* If anything should be added here check whether the size of each string + is still ok with the given array size. */ +const char _dl_arm_cap_flags[][10] = + { + "swp", "half", "thumb", "26bit", "fast-mult", "fpa", "vfp", "edsp", + }; + diff --git a/sysdeps/unix/sysv/linux/arm/dl-procinfo.h b/sysdeps/unix/sysv/linux/arm/dl-procinfo.h new file mode 100644 index 0000000000..9f4c83e5c1 --- /dev/null +++ b/sysdeps/unix/sysv/linux/arm/dl-procinfo.h @@ -0,0 +1,89 @@ +/* Linux/ARM version of processor capability information handling macros. + Copyright (C) 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Philip Blundell <philb@gnu.org>, 2001. + + 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 _DL_PROCINFO_H +#define _DL_PROCINFO_H 1 + +#include <ldsodefs.h> + +/* If anything should be added here check whether the size of each string + is still ok with the given array size. */ +extern const char _dl_arm_cap_flags[][10]; +#define _DL_HWCAP_COUNT 32 + +/* The kernel provides platform data but it is not interesting. */ +#define _DL_HWCAP_PLATFORM 0 + + +static inline int +__attribute__ ((unused)) +_dl_procinfo (int word) +{ + int i; + + _dl_printf ("AT_HWCAP: "); + + for (i = 0; i < _DL_HWCAP_COUNT; ++i) + if (word & (1 << i)) + _dl_printf (" %s", _dl_arm_cap_flags[i]); + + _dl_printf ("\n"); + + return 0; +} + +static inline const char * +__attribute__ ((unused)) +_dl_hwcap_string (int idx) +{ + return _dl_arm_cap_flags[idx]; +}; + +enum +{ + HWCAP_ARM_SWP = 1 << 0, + HWCAP_ARM_HALF = 1 << 1, + HWCAP_ARM_THUMB = 1 << 2, + HWCAP_ARM_26BIT = 1 << 3, + HWCAP_ARM_FAST_MULT = 1 << 4, + HWCAP_ARM_FPA = 1 << 5, + HWCAP_ARM_VFP = 1 << 6, + HWCAP_ARM_EDSP = 1 << 7, + + HWCAP_IMPORTANT = (HWCAP_ARM_HALF | HWCAP_ARM_FAST_MULT) +}; + +static inline int +__attribute__ ((unused)) +_dl_string_hwcap (const char *str) +{ + int i; + + for (i = 0; i < _DL_HWCAP_COUNT; i++) + { + if (strcmp (str, _dl_arm_cap_flags[i]) == 0) + return i; + } + return -1; +}; + +#define _dl_string_platform(str) (-1) + +#endif /* dl-procinfo.h */ |