diff options
Diffstat (limited to 'bfd/peXXigen.c')
| -rw-r--r-- | bfd/peXXigen.c | 183 |
1 files changed, 181 insertions, 2 deletions
diff --git a/bfd/peXXigen.c b/bfd/peXXigen.c index be06ee6..7be1f54 100644 --- a/bfd/peXXigen.c +++ b/bfd/peXXigen.c @@ -1588,8 +1588,7 @@ pe_print_edata (bfd * abfd, void * vfile) _IMAGE_ALPHA_RUNTIME_FUNCTION_ENTRY. See http://msdn2.microsoft.com/en-us/library/ms253988(VS.80).aspx . - The version of this function to deal with compressed pdata has been - moved to pe-arm-wince.c. */ + This is the version for uncompressed data. */ static bfd_boolean pe_print_pdata (bfd * abfd, void * vfile) @@ -1716,6 +1715,186 @@ pe_print_pdata (bfd * abfd, void * vfile) #undef PDATA_ROW_SIZE } +typedef struct sym_cache +{ + int symcount; + asymbol ** syms; +} sym_cache; + +static asymbol ** +slurp_symtab (bfd *abfd, sym_cache *psc) +{ + asymbol ** sy = NULL; + long storage; + + if (!(bfd_get_file_flags (abfd) & HAS_SYMS)) + { + psc->symcount = 0; + return NULL; + } + + storage = bfd_get_symtab_upper_bound (abfd); + if (storage < 0) + return NULL; + if (storage) + sy = bfd_malloc (storage); + + psc->symcount = bfd_canonicalize_symtab (abfd, sy); + if (psc->symcount < 0) + return NULL; + return sy; +} + +static const char * +my_symbol_for_address (bfd *abfd, bfd_vma func, sym_cache *psc) +{ + int i; + + if (psc->syms == 0) + psc->syms = slurp_symtab (abfd, psc); + + for (i = 0; i < psc->symcount; i++) + { + if (psc->syms[i]->section->vma + psc->syms[i]->value == func) + return psc->syms[i]->name; + } + + return NULL; +} + +static void +cleanup_syms (sym_cache *psc) +{ + psc->symcount = 0; + free (psc->syms); + psc->syms = NULL; +} + +/* This is the version for "compressed" pdata. */ + +bfd_boolean +_bfd_XX_print_ce_compressed_pdata (bfd * abfd, void * vfile) +{ +# define PDATA_ROW_SIZE (2 * 4) + FILE *file = (FILE *) vfile; + bfd_byte *data = NULL; + asection *section = bfd_get_section_by_name (abfd, ".pdata"); + bfd_size_type datasize = 0; + bfd_size_type i; + bfd_size_type start, stop; + int onaline = PDATA_ROW_SIZE; + struct sym_cache sym_cache = {0, 0} ; + + if (section == NULL + || coff_section_data (abfd, section) == NULL + || pei_section_data (abfd, section) == NULL) + return TRUE; + + stop = pei_section_data (abfd, section)->virt_size; + if ((stop % onaline) != 0) + fprintf (file, + _("Warning, .pdata section size (%ld) is not a multiple of %d\n"), + (long) stop, onaline); + + fprintf (file, + _("\nThe Function Table (interpreted .pdata section contents)\n")); + + fprintf (file, _("\ + vma:\t\tBegin Prolog Function Flags Exception EH\n\ + \t\tAddress Length Length 32b exc Handler Data\n")); + + datasize = section->size; + if (datasize == 0) + return TRUE; + + if (! bfd_malloc_and_get_section (abfd, section, &data)) + { + if (data != NULL) + free (data); + return FALSE; + } + + start = 0; + + for (i = start; i < stop; i += onaline) + { + bfd_vma begin_addr; + bfd_vma other_data; + bfd_vma prolog_length, function_length; + int flag32bit, exception_flag; + bfd_byte *tdata = 0; + asection *tsection; + + if (i + PDATA_ROW_SIZE > stop) + break; + + begin_addr = GET_PDATA_ENTRY (abfd, data + i ); + other_data = GET_PDATA_ENTRY (abfd, data + i + 4); + + if (begin_addr == 0 && other_data == 0) + /* We are probably into the padding of the section now. */ + break; + + prolog_length = (other_data & 0x000000FF); + function_length = (other_data & 0x3FFFFF00) >> 8; + flag32bit = (int)((other_data & 0x40000000) >> 30); + exception_flag = (int)((other_data & 0x80000000) >> 31); + + fputc (' ', file); + fprintf_vma (file, i + section->vma); fputc ('\t', file); + fprintf_vma (file, begin_addr); fputc (' ', file); + fprintf_vma (file, prolog_length); fputc (' ', file); + fprintf_vma (file, function_length); fputc (' ', file); + fprintf (file, "%2d %2d ", flag32bit, exception_flag); + + /* Get the exception handler's address and the data passed from the + .text section. This is really the data that belongs with the .pdata + but got "compressed" out for the ARM and SH4 architectures. */ + tsection = bfd_get_section_by_name (abfd, ".text"); + if (tsection && coff_section_data (abfd, tsection) + && pei_section_data (abfd, tsection)) + { + if (bfd_malloc_and_get_section (abfd, tsection, & tdata)) + { + int xx = (begin_addr - 8) - tsection->vma; + + tdata = bfd_malloc (8); + if (bfd_get_section_contents (abfd, tsection, tdata, (bfd_vma) xx, 8)) + { + bfd_vma eh, eh_data; + + eh = bfd_get_32 (abfd, tdata); + eh_data = bfd_get_32 (abfd, tdata + 4); + fprintf (file, "%08x ", (unsigned int) eh); + fprintf (file, "%08x", (unsigned int) eh_data); + if (eh != 0) + { + const char *s = my_symbol_for_address (abfd, eh, &sym_cache); + + if (s) + fprintf (file, " (%s) ", s); + } + } + free (tdata); + } + else + { + if (tdata) + free (tdata); + } + } + + fprintf (file, "\n"); + } + + free (data); + + cleanup_syms (& sym_cache); + + return TRUE; +#undef PDATA_ROW_SIZE +} + #define IMAGE_REL_BASED_HIGHADJ 4 static const char * const tbl[] = { |