convert to internal format, for GDB. Used as a last resort if no
debugging symbols recognized.
- Copyright (C) 2003, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2007, 2008, 2009, 2010, 2011
+ Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
- Contributed by Raoul M. Gough (RaoulGough@yahoo.co.uk). */
+ Contributed by Raoul M. Gough (RaoulGough@yahoo.co.uk). */
#include "coff-pe-read.h"
-#include "bfd.h"
-
#include "defs.h"
+#include "bfd.h"
#include "gdbtypes.h"
#include "symtab.h"
struct read_pe_section_data
{
- CORE_ADDR vma_offset; /* Offset to loaded address of section. */
- unsigned long rva_start; /* Start offset within the pe. */
- unsigned long rva_end; /* End offset within the pe. */
- enum minimal_symbol_type ms_type; /* Type to assign symbols in section. */
+ CORE_ADDR vma_offset; /* Offset to loaded address of section. */
+ unsigned long rva_start; /* Start offset within the pe. */
+ unsigned long rva_end; /* End offset within the pe. */
+ enum minimal_symbol_type ms_type; /* Type to assign symbols in
+ section. */
};
#define PE_SECTION_INDEX_TEXT 0
#define PE_SECTION_INDEX_INVALID -1
\f
/* Get the index of the named section in our own array, which contains
- text, data and bss in that order. Return PE_SECTION_INDEX_INVALID
- if passed an unrecognised section name. */
+ text, data and bss in that order. Return PE_SECTION_INDEX_INVALID
+ if passed an unrecognised section name. */
static int
read_pe_section_index (const char *section_name)
}
}
-/* Record the virtual memory address of a section. */
+/* Record the virtual memory address of a section. */
static void
get_section_vmas (bfd *abfd, asection *sectp, void *context)
if (sectix != PE_SECTION_INDEX_INVALID)
{
/* Data within the section start at rva_start in the pe and at
- bfd_get_section_vma() within memory. Store the offset. */
+ bfd_get_section_vma() within memory. Store the offset. */
sections[sectix].vma_offset
= bfd_get_section_vma (abfd, sectp) - sections[sectix].rva_start;
}
}
\f
-/* Create a minimal symbol entry for an exported symbol. */
+/* Create a minimal symbol entry for an exported symbol. */
static void
add_pe_exported_sym (char *sym_name,
const struct read_pe_section_data *section_data,
const char *dll_name, struct objfile *objfile)
{
- /* Add the stored offset to get the loaded address of the symbol. */
+ /* Add the stored offset to get the loaded address of the symbol. */
CORE_ADDR vma = func_rva + section_data->vma_offset;
char *qualified_name = 0;
int dll_name_len = strlen (dll_name);
- int count;
/* Generate a (hopefully unique) qualified name using the first part
- of the dll name, e.g. KERNEL32!AddAtomA. This matches the style
- used by windbg from the "Microsoft Debugging Tools for Windows". */
+ of the dll name, e.g. KERNEL32!AddAtomA. This matches the style
+ used by windbg from the "Microsoft Debugging Tools for Windows". */
qualified_name = xmalloc (dll_name_len + strlen (sym_name) + 2);
xfree (qualified_name);
- /* Enter the plain name as well, which might not be unique. */
- prim_record_minimal_symbol (sym_name, vma, section_data->ms_type, objfile);
+ /* Enter the plain name as well, which might not be unique. */
+ prim_record_minimal_symbol (sym_name, vma,
+ section_data->ms_type, objfile);
}
-/* Truncate a dll_name at the first dot character. */
+/* Truncate a dll_name at the first dot character. */
static void
read_pe_truncate_name (char *dll_name)
{
if ((*dll_name) == '.')
{
- *dll_name = '\0'; /* truncates and causes loop exit. */
+ *dll_name = '\0'; /* truncates and causes loop exit. */
}
else
}
}
\f
-/* Low-level support functions, direct from the ld module pe-dll.c. */
+/* Low-level support functions, direct from the ld module pe-dll.c. */
static unsigned int
pe_get16 (bfd *abfd, int where)
{
}
\f
/* Read the (non-debug) export symbol table from a portable
- executable. Code originally lifted from the ld function
- pe_implied_import_dll in pe-dll.c. */
+ executable. Code originally lifted from the ld function
+ pe_implied_import_dll in pe-dll.c. */
void
read_pe_exported_syms (struct objfile *objfile)
unsigned char *expdata, *erva;
unsigned long name_rvas, ordinals, nexp, ordbase;
char *dll_name;
+ int is_pe64 = 0;
+ int is_pe32 = 0;
/* Array elements are for text, data and bss in that order
Initialization with start_rva > end_rva guarantees that
- unused sections won't be matched. */
+ unused sections won't be matched. */
struct read_pe_section_data section_data[PE_SECTION_TABLE_SIZE]
= { {0, 1, 0, mst_text},
{0, 1, 0, mst_data},
char const *target = bfd_get_target (objfile->obfd);
- if ((strcmp (target, "pe-i386") != 0) && (strcmp (target, "pei-i386") != 0))
+ is_pe64 = (strcmp (target, "pe-x86-64") == 0
+ || strcmp (target, "pei-x86-64") == 0);
+ is_pe32 = (strcmp (target, "pe-i386") == 0
+ || strcmp (target, "pei-i386") == 0
+ || strcmp (target, "pe-arm-wince-little") == 0
+ || strcmp (target, "pei-arm-wince-little") == 0);
+
+ if (!is_pe32 && !is_pe64)
{
- /* This is not an i386 format file. Abort now, because the code
- is untested on anything else. *FIXME* test on further
- architectures and loosen or remove this test. */
+ /* This is not a recognized PE format file. Abort now, because
+ the code is untested on anything else. *FIXME* test on
+ further architectures and loosen or remove this test. */
return;
}
/* Get pe_header, optional header and numbers of export entries. */
pe_header_offset = pe_get32 (dll, 0x3c);
opthdr_ofs = pe_header_offset + 4 + 20;
- num_entries = pe_get32 (dll, opthdr_ofs + 92);
+ if (is_pe64)
+ num_entries = pe_get32 (dll, opthdr_ofs + 108);
+ else
+ num_entries = pe_get32 (dll, opthdr_ofs + 92);
if (num_entries < 1) /* No exports. */
{
return;
}
- export_rva = pe_get32 (dll, opthdr_ofs + 96);
- export_size = pe_get32 (dll, opthdr_ofs + 100);
+ if (is_pe64)
+ {
+ export_rva = pe_get32 (dll, opthdr_ofs + 112);
+ export_size = pe_get32 (dll, opthdr_ofs + 116);
+ }
+ else
+ {
+ export_rva = pe_get32 (dll, opthdr_ofs + 96);
+ export_size = pe_get32 (dll, opthdr_ofs + 100);
+ }
nsections = pe_get16 (dll, pe_header_offset + 4 + 2);
secptr = (pe_header_offset + 4 + 20 +
pe_get16 (dll, pe_header_offset + 4 + 16));
if (export_size == 0)
{
- /* Empty export table. */
+ /* Empty export table. */
return;
}
- /* Scan sections and store the base and size of the relevant sections. */
+ /* Scan sections and store the base and size of the relevant
+ sections. */
for (i = 0; i < nsections; i++)
{
unsigned long secptr1 = secptr + 40 * i;
unsigned long vsize = pe_get32 (dll, secptr1 + 8);
unsigned long vaddr = pe_get32 (dll, secptr1 + 12);
- unsigned long flags = pe_get32 (dll, secptr1 + 36);
char sec_name[9];
int sectix;
ordbase = pe_as32 (expdata + 16);
exp_funcbase = pe_as32 (expdata + 28);
- /* Use internal dll name instead of full pathname. */
+ /* Use internal dll name instead of full pathname. */
dll_name = pe_as32 (expdata + 12) + erva;
bfd_map_over_sections (dll, get_section_vmas, section_data);
/* Adjust the vma_offsets in case this PE got relocated. This
assumes that *all* sections share the same relocation offset
- as the text section. */
+ as the text section. */
for (i = 0; i < PE_SECTION_TABLE_SIZE; i++)
{
section_data[i].vma_offset
}
/* Truncate name at first dot. Should maybe also convert to all
- lower case for convenience on Windows. */
+ lower case for convenience on Windows. */
read_pe_truncate_name (dll_name);
/* Iterate through the list of symbols. */
/* Pointer to the function address vector. */
unsigned long func_rva = pe_as32 (erva + exp_funcbase + i * 4);
- /* Find this symbol's section in our own array. */
+ /* Find this symbol's section in our own array. */
int sectix = 0;
for (sectix = 0; sectix < PE_SECTION_TABLE_SIZE; ++sectix)
}
}
- /* discard expdata. */
+ /* Discard expdata. */
do_cleanups (back_to);
}