X-Git-Url: http://drtracing.org/?a=blobdiff_plain;ds=sidebyside;f=bfd%2Flibbfd.c;h=7406c189b7d9072aa978e53d8a3fa59dcf444410;hb=2fafa20b344ef572d2e1b5002ba9a39e10d1c44c;hp=abcf44fc38276f041ab62bfa6ceb26e027d38948;hpb=0f867abe4ab1bf1b680a54d930736b5180ecb7ab;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/libbfd.c b/bfd/libbfd.c index abcf44fc38..7406c189b7 100644 --- a/bfd/libbfd.c +++ b/bfd/libbfd.c @@ -1,14 +1,12 @@ /* Assorted BFD support routines, only used internally. - Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001, 2002, 2003 - Free Software Foundation, Inc. + Copyright (C) 1990-2016 Free Software Foundation, Inc. Written by Cygnus Support. This file is part of BFD, the Binary File Descriptor library. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -18,10 +16,11 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ -#include "bfd.h" #include "sysdep.h" +#include "bfd.h" #include "libbfd.h" #ifndef HAVE_GETPAGESIZE @@ -30,6 +29,9 @@ /* SECTION + Implementation details + +SUBSECTION Internal functions DESCRIPTION @@ -100,6 +102,23 @@ bfd_void (bfd *ignore ATTRIBUTE_UNUSED) { } +long +_bfd_norelocs_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, + asection *sec ATTRIBUTE_UNUSED) +{ + return sizeof (arelent *); +} + +long +_bfd_norelocs_canonicalize_reloc (bfd *abfd ATTRIBUTE_UNUSED, + asection *sec ATTRIBUTE_UNUSED, + arelent **relptr, + asymbol **symbols ATTRIBUTE_UNUSED) +{ + *relptr = NULL; + return 0; +} + bfd_boolean _bfd_nocore_core_file_matches_executable_p (bfd *ignore_core_bfd ATTRIBUTE_UNUSED, @@ -129,6 +148,16 @@ _bfd_nocore_core_file_failing_signal (bfd *ignore_abfd ATTRIBUTE_UNUSED) return 0; } +/* Routine to handle the core_file_pid entry point for targets without + core file support. */ + +int +_bfd_nocore_core_file_pid (bfd *ignore_abfd ATTRIBUTE_UNUSED) +{ + bfd_set_error (bfd_error_invalid_operation); + return 0; +} + const bfd_target * _bfd_dummy_target (bfd *ignore_abfd ATTRIBUTE_UNUSED) { @@ -142,69 +171,128 @@ void * bfd_malloc (bfd_size_type size) { void *ptr; + size_t sz = (size_t) size; - if (size != (size_t) size) + if (size != sz + /* This is to pacify memory checkers like valgrind. */ + || ((signed long) sz) < 0) { bfd_set_error (bfd_error_no_memory); return NULL; } - ptr = malloc ((size_t) size); - if (ptr == NULL && (size_t) size != 0) + ptr = malloc (sz); + if (ptr == NULL && sz != 0) bfd_set_error (bfd_error_no_memory); return ptr; } +/* Allocate memory using malloc, nmemb * size with overflow checking. */ + +void * +bfd_malloc2 (bfd_size_type nmemb, bfd_size_type size) +{ + if ((nmemb | size) >= HALF_BFD_SIZE_TYPE + && size != 0 + && nmemb > ~(bfd_size_type) 0 / size) + { + bfd_set_error (bfd_error_no_memory); + return NULL; + } + + return bfd_malloc (size * nmemb); +} + /* Reallocate memory using realloc. */ void * bfd_realloc (void *ptr, bfd_size_type size) { void *ret; + size_t sz = (size_t) size; + + if (ptr == NULL) + return bfd_malloc (size); - if (size != (size_t) size) + if (size != sz + /* This is to pacify memory checkers like valgrind. */ + || ((signed long) sz) < 0) { bfd_set_error (bfd_error_no_memory); return NULL; } - if (ptr == NULL) - ret = malloc ((size_t) size); - else - ret = realloc (ptr, (size_t) size); + ret = realloc (ptr, sz); - if (ret == NULL && (size_t) size != 0) + if (ret == NULL && sz != 0) bfd_set_error (bfd_error_no_memory); return ret; } -/* Allocate memory using malloc and clear it. */ +/* Reallocate memory using realloc, nmemb * size with overflow checking. */ void * -bfd_zmalloc (bfd_size_type size) +bfd_realloc2 (void *ptr, bfd_size_type nmemb, bfd_size_type size) { - void *ptr; - - if (size != (size_t) size) + if ((nmemb | size) >= HALF_BFD_SIZE_TYPE + && size != 0 + && nmemb > ~(bfd_size_type) 0 / size) { bfd_set_error (bfd_error_no_memory); return NULL; } - ptr = malloc ((size_t) size); + return bfd_realloc (ptr, size * nmemb); +} + +/* Reallocate memory using realloc. + If this fails the pointer is freed before returning. */ + +void * +bfd_realloc_or_free (void *ptr, bfd_size_type size) +{ + void *ret = bfd_realloc (ptr, size); + + if (ret == NULL && ptr != NULL) + free (ptr); + + return ret; +} + +/* Allocate memory using malloc and clear it. */ + +void * +bfd_zmalloc (bfd_size_type size) +{ + void *ptr = bfd_malloc (size); + + if (ptr != NULL && size > 0) + memset (ptr, 0, (size_t) size); + + return ptr; +} + +/* Allocate memory using malloc (nmemb * size) with overflow checking + and clear it. */ + +void * +bfd_zmalloc2 (bfd_size_type nmemb, bfd_size_type size) +{ + void *ptr = bfd_malloc2 (nmemb, size); - if ((size_t) size != 0) + if (ptr != NULL) { - if (ptr == NULL) - bfd_set_error (bfd_error_no_memory); - else - memset (ptr, 0, (size_t) size); + size_t sz = nmemb * size; + + if (sz > 0) + memset (ptr, 0, sz); } return ptr; } + /* INTERNAL_FUNCTION bfd_write_bigendian_4byte_int @@ -266,13 +354,13 @@ DESCRIPTION .{* Byte swapping macros for user section data. *} . .#define bfd_put_8(abfd, val, ptr) \ -. ((void) (*((unsigned char *) (ptr)) = (unsigned char) (val))) +. ((void) (*((unsigned char *) (ptr)) = (val) & 0xff)) .#define bfd_put_signed_8 \ . bfd_put_8 .#define bfd_get_8(abfd, ptr) \ -. (*(unsigned char *) (ptr) & 0xff) +. (*(const unsigned char *) (ptr) & 0xff) .#define bfd_get_signed_8(abfd, ptr) \ -. (((*(unsigned char *) (ptr) & 0xff) ^ 0x80) - 0x80) +. (((*(const unsigned char *) (ptr) & 0xff) ^ 0x80) - 0x80) . .#define bfd_put_16(abfd, val, ptr) \ . BFD_SEND (abfd, bfd_putx16, ((val),(ptr))) @@ -367,103 +455,81 @@ DESCRIPTION .#define bfd_h_get_signed_64(abfd, ptr) \ . BFD_SEND (abfd, bfd_h_getx_signed_64, (ptr)) . -.{* Refinements on the above, which should eventually go away. Save -. cluttering the source with (bfd_vma) and (bfd_byte *) casts. *} -. -.#define H_PUT_64(abfd, val, where) \ -. bfd_h_put_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) +.{* Aliases for the above, which should eventually go away. *} . -.#define H_PUT_32(abfd, val, where) \ -. bfd_h_put_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) -. -.#define H_PUT_16(abfd, val, where) \ -. bfd_h_put_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) -. -.#define H_PUT_8 bfd_h_put_8 -. -.#define H_PUT_S64(abfd, val, where) \ -. bfd_h_put_signed_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) -. -.#define H_PUT_S32(abfd, val, where) \ -. bfd_h_put_signed_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) -. -.#define H_PUT_S16(abfd, val, where) \ -. bfd_h_put_signed_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where)) -. -.#define H_PUT_S8 bfd_h_put_signed_8 -. -.#define H_GET_64(abfd, where) \ -. bfd_h_get_64 ((abfd), (bfd_byte *) (where)) -. -.#define H_GET_32(abfd, where) \ -. bfd_h_get_32 ((abfd), (bfd_byte *) (where)) -. -.#define H_GET_16(abfd, where) \ -. bfd_h_get_16 ((abfd), (bfd_byte *) (where)) -. -.#define H_GET_8 bfd_h_get_8 -. -.#define H_GET_S64(abfd, where) \ -. bfd_h_get_signed_64 ((abfd), (bfd_byte *) (where)) -. -.#define H_GET_S32(abfd, where) \ -. bfd_h_get_signed_32 ((abfd), (bfd_byte *) (where)) -. -.#define H_GET_S16(abfd, where) \ -. bfd_h_get_signed_16 ((abfd), (bfd_byte *) (where)) -. -.#define H_GET_S8 bfd_h_get_signed_8 +.#define H_PUT_64 bfd_h_put_64 +.#define H_PUT_32 bfd_h_put_32 +.#define H_PUT_16 bfd_h_put_16 +.#define H_PUT_8 bfd_h_put_8 +.#define H_PUT_S64 bfd_h_put_signed_64 +.#define H_PUT_S32 bfd_h_put_signed_32 +.#define H_PUT_S16 bfd_h_put_signed_16 +.#define H_PUT_S8 bfd_h_put_signed_8 +.#define H_GET_64 bfd_h_get_64 +.#define H_GET_32 bfd_h_get_32 +.#define H_GET_16 bfd_h_get_16 +.#define H_GET_8 bfd_h_get_8 +.#define H_GET_S64 bfd_h_get_signed_64 +.#define H_GET_S32 bfd_h_get_signed_32 +.#define H_GET_S16 bfd_h_get_signed_16 +.#define H_GET_S8 bfd_h_get_signed_8 . .*/ /* Sign extension to bfd_signed_vma. */ -#define COERCE16(x) (((bfd_signed_vma) (x) ^ 0x8000) - 0x8000) -#define COERCE32(x) (((bfd_signed_vma) (x) ^ 0x80000000) - 0x80000000) -#define EIGHT_GAZILLION ((BFD_HOST_64_BIT) 1 << 63) +#define COERCE16(x) (((bfd_vma) (x) ^ 0x8000) - 0x8000) +#define COERCE32(x) (((bfd_vma) (x) ^ 0x80000000) - 0x80000000) #define COERCE64(x) \ - (((bfd_signed_vma) (x) ^ EIGHT_GAZILLION) - EIGHT_GAZILLION) + (((bfd_uint64_t) (x) ^ ((bfd_uint64_t) 1 << 63)) - ((bfd_uint64_t) 1 << 63)) bfd_vma -bfd_getb16 (const bfd_byte *addr) +bfd_getb16 (const void *p) { + const bfd_byte *addr = (const bfd_byte *) p; return (addr[0] << 8) | addr[1]; } bfd_vma -bfd_getl16 (const bfd_byte *addr) +bfd_getl16 (const void *p) { + const bfd_byte *addr = (const bfd_byte *) p; return (addr[1] << 8) | addr[0]; } bfd_signed_vma -bfd_getb_signed_16 (const bfd_byte *addr) +bfd_getb_signed_16 (const void *p) { + const bfd_byte *addr = (const bfd_byte *) p; return COERCE16 ((addr[0] << 8) | addr[1]); } bfd_signed_vma -bfd_getl_signed_16 (const bfd_byte *addr) +bfd_getl_signed_16 (const void *p) { + const bfd_byte *addr = (const bfd_byte *) p; return COERCE16 ((addr[1] << 8) | addr[0]); } void -bfd_putb16 (bfd_vma data, bfd_byte *addr) +bfd_putb16 (bfd_vma data, void *p) { - addr[0] = (bfd_byte) (data >> 8); - addr[1] = (bfd_byte) data; + bfd_byte *addr = (bfd_byte *) p; + addr[0] = (data >> 8) & 0xff; + addr[1] = data & 0xff; } void -bfd_putl16 (bfd_vma data, bfd_byte *addr) +bfd_putl16 (bfd_vma data, void *p) { - addr[0] = (bfd_byte) data; - addr[1] = (bfd_byte) (data >> 8); + bfd_byte *addr = (bfd_byte *) p; + addr[0] = data & 0xff; + addr[1] = (data >> 8) & 0xff; } bfd_vma -bfd_getb32 (const bfd_byte *addr) +bfd_getb32 (const void *p) { + const bfd_byte *addr = (const bfd_byte *) p; unsigned long v; v = (unsigned long) addr[0] << 24; @@ -474,8 +540,9 @@ bfd_getb32 (const bfd_byte *addr) } bfd_vma -bfd_getl32 (const bfd_byte *addr) +bfd_getl32 (const void *p) { + const bfd_byte *addr = (const bfd_byte *) p; unsigned long v; v = (unsigned long) addr[0]; @@ -486,8 +553,9 @@ bfd_getl32 (const bfd_byte *addr) } bfd_signed_vma -bfd_getb_signed_32 (const bfd_byte *addr) +bfd_getb_signed_32 (const void *p) { + const bfd_byte *addr = (const bfd_byte *) p; unsigned long v; v = (unsigned long) addr[0] << 24; @@ -498,8 +566,9 @@ bfd_getb_signed_32 (const bfd_byte *addr) } bfd_signed_vma -bfd_getl_signed_32 (const bfd_byte *addr) +bfd_getl_signed_32 (const void *p) { + const bfd_byte *addr = (const bfd_byte *) p; unsigned long v; v = (unsigned long) addr[0]; @@ -509,11 +578,12 @@ bfd_getl_signed_32 (const bfd_byte *addr) return COERCE32 (v); } -bfd_vma -bfd_getb64 (const bfd_byte *addr ATTRIBUTE_UNUSED) +bfd_uint64_t +bfd_getb64 (const void *p ATTRIBUTE_UNUSED) { -#ifdef BFD64 - bfd_vma v; +#ifdef BFD_HOST_64_BIT + const bfd_byte *addr = (const bfd_byte *) p; + bfd_uint64_t v; v = addr[0]; v <<= 8; v |= addr[1]; v <<= 8; @@ -531,11 +601,12 @@ bfd_getb64 (const bfd_byte *addr ATTRIBUTE_UNUSED) #endif } -bfd_vma -bfd_getl64 (const bfd_byte *addr ATTRIBUTE_UNUSED) +bfd_uint64_t +bfd_getl64 (const void *p ATTRIBUTE_UNUSED) { -#ifdef BFD64 - bfd_vma v; +#ifdef BFD_HOST_64_BIT + const bfd_byte *addr = (const bfd_byte *) p; + bfd_uint64_t v; v = addr[7]; v <<= 8; v |= addr[6]; v <<= 8; @@ -554,12 +625,12 @@ bfd_getl64 (const bfd_byte *addr ATTRIBUTE_UNUSED) } -bfd_signed_vma -bfd_getb_signed_64 (addr) - register const bfd_byte *addr ATTRIBUTE_UNUSED; +bfd_int64_t +bfd_getb_signed_64 (const void *p ATTRIBUTE_UNUSED) { -#ifdef BFD64 - bfd_vma v; +#ifdef BFD_HOST_64_BIT + const bfd_byte *addr = (const bfd_byte *) p; + bfd_uint64_t v; v = addr[0]; v <<= 8; v |= addr[1]; v <<= 8; @@ -577,12 +648,12 @@ bfd_getb_signed_64 (addr) #endif } -bfd_signed_vma -bfd_getl_signed_64 (addr) - register const bfd_byte *addr ATTRIBUTE_UNUSED; +bfd_int64_t +bfd_getl_signed_64 (const void *p ATTRIBUTE_UNUSED) { -#ifdef BFD64 - bfd_vma v; +#ifdef BFD_HOST_64_BIT + const bfd_byte *addr = (const bfd_byte *) p; + bfd_uint64_t v; v = addr[7]; v <<= 8; v |= addr[6]; v <<= 8; @@ -601,60 +672,65 @@ bfd_getl_signed_64 (addr) } void -bfd_putb32 (bfd_vma data, bfd_byte *addr) +bfd_putb32 (bfd_vma data, void *p) { - addr[0] = (bfd_byte) (data >> 24); - addr[1] = (bfd_byte) (data >> 16); - addr[2] = (bfd_byte) (data >> 8); - addr[3] = (bfd_byte) data; + bfd_byte *addr = (bfd_byte *) p; + addr[0] = (data >> 24) & 0xff; + addr[1] = (data >> 16) & 0xff; + addr[2] = (data >> 8) & 0xff; + addr[3] = data & 0xff; } void -bfd_putl32 (bfd_vma data, bfd_byte *addr) +bfd_putl32 (bfd_vma data, void *p) { - addr[0] = (bfd_byte) data; - addr[1] = (bfd_byte) (data >> 8); - addr[2] = (bfd_byte) (data >> 16); - addr[3] = (bfd_byte) (data >> 24); + bfd_byte *addr = (bfd_byte *) p; + addr[0] = data & 0xff; + addr[1] = (data >> 8) & 0xff; + addr[2] = (data >> 16) & 0xff; + addr[3] = (data >> 24) & 0xff; } void -bfd_putb64 (bfd_vma data ATTRIBUTE_UNUSED, bfd_byte *addr ATTRIBUTE_UNUSED) -{ -#ifdef BFD64 - addr[0] = (bfd_byte) (data >> (7*8)); - addr[1] = (bfd_byte) (data >> (6*8)); - addr[2] = (bfd_byte) (data >> (5*8)); - addr[3] = (bfd_byte) (data >> (4*8)); - addr[4] = (bfd_byte) (data >> (3*8)); - addr[5] = (bfd_byte) (data >> (2*8)); - addr[6] = (bfd_byte) (data >> (1*8)); - addr[7] = (bfd_byte) (data >> (0*8)); +bfd_putb64 (bfd_uint64_t data ATTRIBUTE_UNUSED, void *p ATTRIBUTE_UNUSED) +{ +#ifdef BFD_HOST_64_BIT + bfd_byte *addr = (bfd_byte *) p; + addr[0] = (data >> (7*8)) & 0xff; + addr[1] = (data >> (6*8)) & 0xff; + addr[2] = (data >> (5*8)) & 0xff; + addr[3] = (data >> (4*8)) & 0xff; + addr[4] = (data >> (3*8)) & 0xff; + addr[5] = (data >> (2*8)) & 0xff; + addr[6] = (data >> (1*8)) & 0xff; + addr[7] = (data >> (0*8)) & 0xff; #else BFD_FAIL(); #endif } void -bfd_putl64 (bfd_vma data ATTRIBUTE_UNUSED, bfd_byte *addr ATTRIBUTE_UNUSED) -{ -#ifdef BFD64 - addr[7] = (bfd_byte) (data >> (7*8)); - addr[6] = (bfd_byte) (data >> (6*8)); - addr[5] = (bfd_byte) (data >> (5*8)); - addr[4] = (bfd_byte) (data >> (4*8)); - addr[3] = (bfd_byte) (data >> (3*8)); - addr[2] = (bfd_byte) (data >> (2*8)); - addr[1] = (bfd_byte) (data >> (1*8)); - addr[0] = (bfd_byte) (data >> (0*8)); +bfd_putl64 (bfd_uint64_t data ATTRIBUTE_UNUSED, void *p ATTRIBUTE_UNUSED) +{ +#ifdef BFD_HOST_64_BIT + bfd_byte *addr = (bfd_byte *) p; + addr[7] = (data >> (7*8)) & 0xff; + addr[6] = (data >> (6*8)) & 0xff; + addr[5] = (data >> (5*8)) & 0xff; + addr[4] = (data >> (4*8)) & 0xff; + addr[3] = (data >> (3*8)) & 0xff; + addr[2] = (data >> (2*8)) & 0xff; + addr[1] = (data >> (1*8)) & 0xff; + addr[0] = (data >> (0*8)) & 0xff; #else BFD_FAIL(); #endif } void -bfd_put_bits (bfd_vma data, bfd_byte *addr, int bits, bfd_boolean big_p) +bfd_put_bits (bfd_uint64_t data, void *p, int bits, bfd_boolean big_p) { + bfd_byte *addr = (bfd_byte *) p; int i; int bytes; @@ -664,17 +740,18 @@ bfd_put_bits (bfd_vma data, bfd_byte *addr, int bits, bfd_boolean big_p) bytes = bits / 8; for (i = 0; i < bytes; i++) { - int index = big_p ? bytes - i - 1 : i; + int addr_index = big_p ? bytes - i - 1 : i; - addr[index] = (bfd_byte) data; + addr[addr_index] = data & 0xff; data >>= 8; } } -bfd_vma -bfd_get_bits (bfd_byte *addr, int bits, bfd_boolean big_p) +bfd_uint64_t +bfd_get_bits (const void *p, int bits, bfd_boolean big_p) { - bfd_vma data; + const bfd_byte *addr = (const bfd_byte *) p; + bfd_uint64_t data; int i; int bytes; @@ -685,9 +762,9 @@ bfd_get_bits (bfd_byte *addr, int bits, bfd_boolean big_p) bytes = bits / 8; for (i = 0; i < bytes; i++) { - int index = big_p ? i : bytes - i - 1; + int addr_index = big_p ? i : bytes - i - 1; - data = (data << 8) | addr[index]; + data = (data << 8) | addr[addr_index]; } return data; @@ -702,10 +779,30 @@ _bfd_generic_get_section_contents (bfd *abfd, file_ptr offset, bfd_size_type count) { + bfd_size_type sz; if (count == 0) return TRUE; - if (offset + count > section->_raw_size) + if (section->compress_status != COMPRESS_SECTION_NONE) + { + (*_bfd_error_handler) + (_("%B: unable to get decompressed section %A"), + abfd, section); + bfd_set_error (bfd_error_invalid_operation); + return FALSE; + } + + /* We do allow reading of a section after bfd_final_link has + written the contents out to disk. In that situation, rawsize is + just a stale version of size, so ignore it. Otherwise we must be + reading an input section, where rawsize, if different to size, + is the on-disk size. */ + if (abfd->direction != write_direction && section->rawsize != 0) + sz = section->rawsize; + else + sz = section->size; + if (offset + count < count + || offset + count > sz) { bfd_set_error (bfd_error_invalid_operation); return FALSE; @@ -727,6 +824,8 @@ _bfd_generic_get_section_contents_in_window bfd_size_type count ATTRIBUTE_UNUSED) { #ifdef USE_MMAP + bfd_size_type sz; + if (count == 0) return TRUE; if (abfd->xvec->_bfd_get_section_contents @@ -754,7 +853,11 @@ _bfd_generic_get_section_contents_in_window w->data = w->i->data; return bfd_get_section_contents (abfd, section, w->data, offset, count); } - if (offset + count > section->_raw_size + if (abfd->direction != write_direction && section->rawsize != 0) + sz = section->rawsize; + else + sz = section->size; + if (offset + count > sz || ! bfd_get_file_window (abfd, section->filepos + offset, count, w, TRUE)) return FALSE; @@ -802,8 +905,12 @@ bfd_log2 (bfd_vma x) { unsigned int result = 0; - while ((x = (x >> 1)) != 0) + if (x <= 1) + return result; + --x; + do ++result; + while ((x >>= 1) != 0); return result; } @@ -828,11 +935,11 @@ _bfd_generic_verify_endian_match (bfd *ibfd, bfd *obfd) const char *msg; if (bfd_big_endian (ibfd)) - msg = _("%s: compiled for a big endian system and target is little endian"); + msg = _("%B: compiled for a big endian system and target is little endian"); else - msg = _("%s: compiled for a little endian system and target is big endian"); + msg = _("%B: compiled for a little endian system and target is big endian"); - (*_bfd_error_handler) (msg, bfd_archive_filename (ibfd)); + (*_bfd_error_handler) (msg, ibfd); bfd_set_error (bfd_error_wrong_format); return FALSE; @@ -855,6 +962,7 @@ warn_deprecated (const char *what, if (~(size_t) func & ~mask) { + fflush (stdout); /* Note: separate sentences in order to allow for translation into other languages. */ if (func) @@ -862,6 +970,114 @@ warn_deprecated (const char *what, what, file, line, func); else fprintf (stderr, _("Deprecated %s called\n"), what); + fflush (stderr); mask |= ~(size_t) func; } } + +/* Helper function for reading uleb128 encoded data. */ + +bfd_vma +read_unsigned_leb128 (bfd *abfd ATTRIBUTE_UNUSED, + bfd_byte *buf, + unsigned int *bytes_read_ptr) +{ + bfd_vma result; + unsigned int num_read; + unsigned int shift; + unsigned char byte; + + result = 0; + shift = 0; + num_read = 0; + do + { + byte = bfd_get_8 (abfd, buf); + buf++; + num_read++; + result |= (((bfd_vma) byte & 0x7f) << shift); + shift += 7; + } + while (byte & 0x80); + *bytes_read_ptr = num_read; + return result; +} + +/* Read in a LEB128 encoded value from ABFD starting at DATA. + If SIGN is true, return a signed LEB128 value. + If LENGTH_RETURN is not NULL, return in it the number of bytes read. + No bytes will be read at address END or beyond. */ + +bfd_vma +safe_read_leb128 (bfd *abfd ATTRIBUTE_UNUSED, + bfd_byte *data, + unsigned int *length_return, + bfd_boolean sign, + const bfd_byte * const end) +{ + bfd_vma result = 0; + unsigned int num_read = 0; + unsigned int shift = 0; + unsigned char byte = 0; + + while (data < end) + { + byte = bfd_get_8 (abfd, data); + data++; + num_read++; + + result |= ((bfd_vma) (byte & 0x7f)) << shift; + + shift += 7; + if ((byte & 0x80) == 0) + break; + } + + if (length_return != NULL) + *length_return = num_read; + + if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40)) + result |= -((bfd_vma) 1 << shift); + + return result; +} + +/* Helper function for reading sleb128 encoded data. */ + +bfd_signed_vma +read_signed_leb128 (bfd *abfd ATTRIBUTE_UNUSED, + bfd_byte *buf, + unsigned int *bytes_read_ptr) +{ + bfd_vma result; + unsigned int shift; + unsigned int num_read; + unsigned char byte; + + result = 0; + shift = 0; + num_read = 0; + do + { + byte = bfd_get_8 (abfd, buf); + buf ++; + num_read ++; + result |= (((bfd_vma) byte & 0x7f) << shift); + shift += 7; + } + while (byte & 0x80); + if (shift < 8 * sizeof (result) && (byte & 0x40)) + result |= (((bfd_vma) -1) << shift); + *bytes_read_ptr = num_read; + return result; +} + +bfd_boolean +_bfd_generic_init_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED, + asection *isec ATTRIBUTE_UNUSED, + bfd *obfd ATTRIBUTE_UNUSED, + asection *osec ATTRIBUTE_UNUSED, + struct bfd_link_info *link_info ATTRIBUTE_UNUSED) +{ + return TRUE; +}