debugedit.c File Reference

#include <assert.h>
#include <byteswap.h>
#include <endian.h>
#include <errno.h>
#include <error.h>
#include <limits.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <popt.h>
#include <gelf.h>
#include <dwarf.h>
#include "hashtab.h"

Go to the source code of this file.

Data Structures
struct	DSO
struct	REL
struct	abbrev_attr
struct	abbrev_tag
Defines
#define	_FILE_OFFSET_BITS   64
#define	DW_TAG_partial_unit   0x3c
#define	read_uleb128(ptr)
#define	read_1(ptr)   *ptr++
#define	read_16(ptr)
#define	read_32(ptr)
#define	do_read_32_relocated(ptr)
#define	read_32_relocated(ptr)
#define	DEBUG_INFO   0
#define	DEBUG_ABBREV   1
#define	DEBUG_LINE   2
#define	DEBUG_ARANGES   3
#define	DEBUG_PUBNAMES   4
#define	DEBUG_MACINFO   5
#define	DEBUG_LOC   6
#define	DEBUG_STR   7
#define	DEBUG_FRAME   8
#define	DEBUG_RANGES   9
#define	IS_DIR_SEPARATOR(c)   ((c)=='/')
Typedefs
typedef unsigned int	uint_32
typedef unsigned short	uint_16
Functions
static uint_16	buf_read_ule16 (unsigned char *data)
static uint_16	buf_read_ube16 (unsigned char *data)
static uint_32	buf_read_ule32 (unsigned char *data)
static uint_32	buf_read_ube32 (unsigned char *data)
static const char *	strptr (DSO *dso, int sec, off_t offset)
static void	dwarf2_write_le32 (unsigned char *p, GElf_Addr val)
static void	dwarf2_write_be32 (unsigned char *p, GElf_Addr val)
static hashval_t	abbrev_hash (const void *p)
static int	abbrev_eq (const void *p, const void *q)
static void	abbrev_del (void *p)
static htab_t	read_abbrev (DSO *dso, unsigned char *ptr)
static char *	canonicalize_path (char *s, char *d)
static int	has_prefix (const char *str, const char *prefix)
static int	edit_dwarf2_line (DSO *dso, uint_32 off, char *comp_dir, int phase)
static unsigned char *	edit_attributes (DSO *dso, unsigned char *ptr, struct abbrev_tag *t, int phase)
static int	rel_cmp (const void *a, const void *b)
static int	edit_dwarf2 (DSO *dso)
static DSO *	fdopen_dso (int fd, const char *name)
int	main (int argc, char *argv[])
Variables
char *	base_dir = NULL
char *	dest_dir = NULL
char *	list_file = NULL
int	list_file_fd = -1
static uint_16(*	do_read_16 )(unsigned char *ptr)
static uint_32(*	do_read_32 )(unsigned char *ptr)
static void(*	write_32 )(unsigned char *ptr, GElf_Addr val)
static int	ptr_size
REL *	relptr
REL *	relend
int	reltype
struct {
lu_byte   left
lu_byte   right
rpmop_s   ops [FDSTAT_MAX]
const char *   name
unsigned char *   data
Elf_Data *   elf_data
size_t   size
int   sec
int   relsec
}	debug_sections []
static struct poptOption	optionsTable []

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Define Documentation

#define _FILE_OFFSET_BITS   64

Definition at line 20 of file debugedit.c.

#define DEBUG_ABBREV   1

Referenced by edit_dwarf2().

#define DEBUG_ARANGES   3

#define DEBUG_FRAME   8

#define DEBUG_INFO   0

Referenced by edit_dwarf2().

#define DEBUG_LINE   2

Referenced by edit_dwarf2(), and edit_dwarf2_line().

#define DEBUG_LOC   6

#define DEBUG_MACINFO   5

#define DEBUG_PUBNAMES   4

#define DEBUG_RANGES   9

#define DEBUG_STR   7

Referenced by edit_attributes(), edit_dwarf2(), and edit_dwarf2_line().

#define do_read_32_relocated (  ptr   )

Value: ({ \ uint_32 dret = do_read_32 (ptr); \ if (relptr) \ { \ while (relptr < relend && relptr->ptr < ptr) \ ++relptr; \ if (relptr < relend && relptr->ptr == ptr) \ { \ if (reltype == SHT_REL) \ dret += relptr->addend; \ else \ dret = relptr->addend; \ } \ } \ dret; \ }) Definition at line 153 of file debugedit.c. Referenced by edit_attributes().

#define DW_TAG_partial_unit   0x3c

Definition at line 41 of file debugedit.c. Referenced by edit_attributes().

#define IS_DIR_SEPARATOR (  c   )     ((c)=='/')

Definition at line 343 of file debugedit.c. Referenced by canonicalize_path().

#define read_1 (  ptr   )     *ptr++

Definition at line 136 of file debugedit.c. Referenced by edit_dwarf2().

#define read_16 (  ptr   )

Value: ({ \ uint_16 ret = do_read_16 (ptr); \ ptr += 2; \ ret; \ }) Definition at line 138 of file debugedit.c. Referenced by edit_attributes(), edit_dwarf2(), and edit_dwarf2_line().

#define read_32 (  ptr   )

Value: ({ \ uint_32 ret = do_read_32 (ptr); \ ptr += 4; \ ret; \ }) Definition at line 144 of file debugedit.c. Referenced by edit_attributes(), edit_dwarf2(), and edit_dwarf2_line().

#define read_32_relocated (  ptr   )

Value: ({ \ uint_32 ret = do_read_32_relocated (ptr); \ ptr += 4; \ ret; \ }) Definition at line 170 of file debugedit.c. Referenced by edit_dwarf2().

#define read_uleb128 (  ptr   )

Value: ({ \ unsigned int ret = 0; \ unsigned int c; \ int shift = 0; \ do \ { \ c = *ptr++; \ ret |= (c & 0x7f) << shift; \ shift += 7; \ } while (c & 0x80); \ \ if (shift >= 35) \ ret = UINT_MAX; \ ret; \ }) Definition at line 67 of file debugedit.c. Referenced by edit_attributes(), edit_dwarf2(), edit_dwarf2_line(), and read_abbrev().

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Typedef Documentation

typedef unsigned short uint_16

Definition at line 49 of file debugedit.c.

typedef unsigned int uint_32

Definition at line 48 of file debugedit.c.

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Function Documentation

static void abbrev_del (  void *  p  )  [static]

Definition at line 263 of file debugedit.c. Referenced by read_abbrev().

static int abbrev_eq (  const void *  p, const void *  q )  [static]

Definition at line 254 of file debugedit.c. References abbrev_tag::entry. Referenced by read_abbrev().

static hashval_t abbrev_hash (  const void *  p  )  [static]

Definition at line 246 of file debugedit.c. References abbrev_tag::entry. Referenced by read_abbrev().

static uint_16 buf_read_ube16 (  unsigned char *  data  )  [inline, static]

Definition at line 96 of file debugedit.c. Referenced by edit_dwarf2().

static uint_32 buf_read_ube32 (  unsigned char *  data  )  [inline, static]

Definition at line 108 of file debugedit.c. Referenced by edit_dwarf2().

static uint_16 buf_read_ule16 (  unsigned char *  data  )  [inline, static]

Definition at line 90 of file debugedit.c. Referenced by edit_dwarf2().

static uint_32 buf_read_ule32 (  unsigned char *  data  )  [inline, static]

Definition at line 102 of file debugedit.c. Referenced by edit_dwarf2().

static char* canonicalize_path (  char *  s, char *  d )  [static]

Definition at line 346 of file debugedit.c. References IS_DIR_SEPARATOR. Referenced by edit_dwarf2_line().

static void dwarf2_write_be32 (  unsigned char *  p, GElf_Addr  val )  [static]

Definition at line 189 of file debugedit.c. Referenced by edit_dwarf2().

static void dwarf2_write_le32 (  unsigned char *  p, GElf_Addr  val )  [static]

Definition at line 177 of file debugedit.c. Referenced by edit_dwarf2().

static unsigned char* edit_attributes (  DSO *  dso, unsigned char *  ptr, struct abbrev_tag *  t, int  phase )  [static]

Definition at line 687 of file debugedit.c. References abbrev_attr::attr, abbrev_tag::attr, base_dir, data, debug_sections, DEBUG_STR, dest_dir, do_read_32_relocated, DW_TAG_partial_unit, edit_dwarf2_line(), elf_data, DSO::filename, abbrev_attr::form, has_prefix(), name, abbrev_tag::nattr, ptr_size, read_16, read_32, read_uleb128, and abbrev_tag::tag. Referenced by edit_dwarf2().

static int edit_dwarf2 (  DSO *  dso  )  [static]

Definition at line 874 of file debugedit.c. References REL::addend, buf_read_ube16(), buf_read_ube32(), buf_read_ule16(), buf_read_ule32(), data, DEBUG_ABBREV, DEBUG_INFO, DEBUG_LINE, debug_sections, DEBUG_STR, do_read_16, do_read_32, dwarf2_write_be32(), dwarf2_write_le32(), edit_attributes(), DSO::ehdr, abbrev_tag::entry, errno, DSO::filename, htab_delete(), htab_find_with_hash(), name, REL::ptr, ptr_size, read_1, read_16, read_32, read_32_relocated, read_abbrev(), read_uleb128, rel_cmp(), relsec, reltype, DSO::scn, DSO::shdr, size, strptr(), and write_32. Referenced by main().

static int edit_dwarf2_line (  DSO *  dso, uint_32  off, char *  comp_dir, int  phase )  [static]

Definition at line 451 of file debugedit.c. References alloca(), base_dir, canonicalize_path(), DEBUG_LINE, debug_sections, DEBUG_STR, dest_dir, elf_data, EXIT_FAILURE, file, DSO::filename, has_prefix(), list_file_fd, read_16, read_32, read_uleb128, and size. Referenced by edit_attributes().

static DSO* fdopen_dso (  int  fd, const char *  name )  [static]

Definition at line 1190 of file debugedit.c. References DSO::ehdr, DSO::elf, DSO::filename, DSO::scn, and DSO::shdr. Referenced by main().

static int has_prefix (  const char *  str, const char *  prefix )  [static]

Definition at line 435 of file debugedit.c. Referenced by edit_attributes(), and edit_dwarf2_line().

int main (  int  argc, char *  argv[] )

Definition at line 1265 of file debugedit.c. References base_dir, dest_dir, edit_dwarf2(), DSO::ehdr, DSO::elf, errno, fdopen_dso(), file, list_file, list_file_fd, name, optionsTable, DSO::shdr, strerror, and strptr().

static htab_t read_abbrev (  DSO *  dso, unsigned char *  ptr )  [static]

Definition at line 269 of file debugedit.c. References abbrev_del(), abbrev_eq(), abbrev_hash(), DSO::filename, htab_delete(), htab_find_slot(), htab_try_create, INSERT, read_uleb128, and size. Referenced by edit_dwarf2().

static int rel_cmp (  const void *  a, const void *  b )  [static]

Definition at line 860 of file debugedit.c. References REL::ptr. Referenced by edit_dwarf2().

static const char* strptr (  DSO *  dso, int  sec, off_t  offset )  [static]

Definition at line 114 of file debugedit.c. References data, and DSO::scn. Referenced by edit_dwarf2(), and main().

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Variable Documentation

char* base_dir = NULL

Definition at line 43 of file debugedit.c. Referenced by edit_attributes(), edit_dwarf2_line(), and main().

unsigned char* data

Definition at line 202 of file debugedit.c. Referenced by cacheContainsDirectory(), db_join(), db_put(), edit_attributes(), edit_dwarf2(), hdr_subscript(), miFreeHeader(), open_dso(), rpmdbAdd(), rpmdbCountPackages(), rpmdbFindFpList(), rpmdbGrowIterator(), rpmdbInitIterator(), rpmdbNextIterator(), rpmdbRemove(), rpmfcELF(), rpmts_GetKeys(), strptr(), and unsatisfiedDepend().

struct { ... } debug_sections[] [static]

Referenced by edit_attributes(), edit_dwarf2(), and edit_dwarf2_line().

char* dest_dir = NULL

Definition at line 44 of file debugedit.c. Referenced by edit_attributes(), edit_dwarf2_line(), and main().

uint_16(* do_read_16)(unsigned char *ptr) [static]

Definition at line 83 of file debugedit.c. Referenced by edit_dwarf2().

uint_32(* do_read_32)(unsigned char *ptr) [static]

Definition at line 84 of file debugedit.c. Referenced by edit_dwarf2().

Elf_Data* elf_data

Definition at line 203 of file debugedit.c. Referenced by edit_attributes(), and edit_dwarf2_line().

char* list_file = NULL

Definition at line 45 of file debugedit.c. Referenced by main().

int list_file_fd = -1

Definition at line 46 of file debugedit.c. Referenced by edit_dwarf2_line(), and main().

const char* name

Definition at line 201 of file debugedit.c.

struct poptOption optionsTable[] [static]

Initial value: { { "base-dir", 'b', POPT_ARG_STRING, &base_dir, 0, "base build directory of objects", NULL }, { "dest-dir", 'd', POPT_ARG_STRING, &dest_dir, 0, "directory to rewrite base-dir into", NULL }, { "list-file", 'l', POPT_ARG_STRING, &list_file, 0, "file where to put list of source and header file names", NULL }, POPT_AUTOHELP { NULL, 0, 0, NULL, 0, NULL, NULL } } Definition at line 1178 of file debugedit.c.

int ptr_size [static]

Definition at line 87 of file debugedit.c. Referenced by edit_attributes(), and edit_dwarf2().

REL * relend

Definition at line 150 of file debugedit.c.

REL* relptr

Definition at line 150 of file debugedit.c.

int relsec

Definition at line 205 of file debugedit.c. Referenced by edit_dwarf2().

int reltype

Definition at line 151 of file debugedit.c. Referenced by edit_dwarf2().

int sec

Definition at line 205 of file debugedit.c.

size_t size

Definition at line 204 of file debugedit.c. Referenced by doReadRC(), DumpString(), edit_dwarf2(), edit_dwarf2_line(), find_empty_slot_for_expand(), htab_find_slot_with_hash(), htab_find_with_hash(), LoadCode(), LoadLines(), LoadString(), luaF_freeclosure(), luaS_resize(), luaZ_fill(), machCacheFindEntry(), machFindEquivs(), read_abbrev(), readIcon(), rpmalAdd(), rpmalFree(), rpmalMakeIndex(), rpmfiBuildFNames(), rpmioSlurp(), rpmVerifyFile(), setnodevector(), verifyHeader(), verifySizeSignature(), and xstrdup().

void(* write_32)(unsigned char *ptr, GElf_Addr val) [static]

Definition at line 85 of file debugedit.c. Referenced by edit_dwarf2().

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