diff options
Diffstat (limited to 'gdb/coff-pe-read.c')
| -rw-r--r-- | gdb/coff-pe-read.c | 176 |
1 files changed, 89 insertions, 87 deletions
diff --git a/gdb/coff-pe-read.c b/gdb/coff-pe-read.c index 2b89e8a..b353a14 100644 --- a/gdb/coff-pe-read.c +++ b/gdb/coff-pe-read.c @@ -48,24 +48,24 @@ static unsigned int debug_coff_pe_read; 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 + 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. */ - unsigned int index; /* BFD section number. */ - std::string section_name; /* Recorded section name. */ + unsigned int index; /* BFD section number. */ + std::string section_name; /* Recorded section name. */ }; #define IMAGE_SCN_CNT_CODE 0x20 #define IMAGE_SCN_CNT_INITIALIZED_DATA 0x40 #define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x80 -#define PE_SECTION_INDEX_TEXT 0 -#define PE_SECTION_INDEX_DATA 1 -#define PE_SECTION_INDEX_BSS 2 -#define PE_SECTION_TABLE_SIZE 3 +#define PE_SECTION_INDEX_TEXT 0 +#define PE_SECTION_INDEX_DATA 1 +#define PE_SECTION_INDEX_BSS 2 +#define PE_SECTION_TABLE_SIZE 3 #define PE_SECTION_INDEX_INVALID -1 - + /* 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. */ @@ -108,7 +108,6 @@ get_pe_section_index (const char *section_name, return PE_SECTION_INDEX_INVALID; } - /* Create a minimal symbol entry for an exported symbol. SYM_NAME contains the exported name or NULL if exported by ordinal, FUNC_RVA contains the Relative Virtual Address of the symbol, @@ -119,10 +118,8 @@ get_pe_section_index (const char *section_name, OBJFILE is the objfile struct of DLL_NAME. */ static void -add_pe_exported_sym (minimal_symbol_reader &reader, - const char *sym_name, - unsigned long func_rva, - int ordinal, +add_pe_exported_sym (minimal_symbol_reader &reader, const char *sym_name, + unsigned long func_rva, int ordinal, const struct read_pe_section_data *section_data, const char *dll_name, struct objfile *objfile) { @@ -143,10 +140,10 @@ add_pe_exported_sym (minimal_symbol_reader &reader, = string_printf ("%s!%s", dll_name, bare_name.c_str ()); if ((section_data->ms_type == mst_unknown) && debug_coff_pe_read) - gdb_printf (gdb_stdlog , _("Unknown section type for \"%s\"" - " for entry \"%s\" in dll \"%s\"\n"), - section_data->section_name.c_str (), sym_name, - dll_name); + gdb_printf (gdb_stdlog, + _ ("Unknown section type for \"%s\"" + " for entry \"%s\" in dll \"%s\"\n"), + section_data->section_name.c_str (), sym_name, dll_name); reader.record_with_info (qualified_name.c_str (), vma, section_data->ms_type, section_data->index); @@ -155,8 +152,10 @@ add_pe_exported_sym (minimal_symbol_reader &reader, reader.record_with_info (bare_name.c_str (), vma, section_data->ms_type, section_data->index); if (debug_coff_pe_read > 1) - gdb_printf (gdb_stdlog, _("Adding exported symbol \"%s\"" - " in dll \"%s\"\n"), sym_name, dll_name); + gdb_printf (gdb_stdlog, + _ ("Adding exported symbol \"%s\"" + " in dll \"%s\"\n"), + sym_name, dll_name); } /* Create a minimal symbol entry for an exported forward symbol. @@ -169,8 +168,8 @@ add_pe_exported_sym (minimal_symbol_reader &reader, OBJFILE is the objfile struct of DLL_NAME. */ static int -add_pe_forwarded_sym (minimal_symbol_reader &reader, - const char *sym_name, const char *forward_dll_name, +add_pe_forwarded_sym (minimal_symbol_reader &reader, const char *sym_name, + const char *forward_dll_name, const char *forward_func_name, int ordinal, const char *dll_name, struct objfile *objfile) { @@ -180,9 +179,8 @@ add_pe_forwarded_sym (minimal_symbol_reader &reader, int forward_dll_name_len = strlen (forward_dll_name); short section; - std::string forward_qualified_name = string_printf ("%s!%s", - forward_dll_name, - forward_func_name); + std::string forward_qualified_name + = string_printf ("%s!%s", forward_dll_name, forward_func_name); msymbol = lookup_bound_minimal_symbol (forward_qualified_name.c_str ()); @@ -198,16 +196,17 @@ add_pe_forwarded_sym (minimal_symbol_reader &reader, if (!msymbol.minsym) { if (debug_coff_pe_read) - gdb_printf (gdb_stdlog, _("Unable to find function \"%s\" in" - " dll \"%s\", forward of \"%s\" in dll \"%s\"\n"), - forward_func_name, forward_dll_name, sym_name, - dll_name); + gdb_printf (gdb_stdlog, + _ ("Unable to find function \"%s\" in" + " dll \"%s\", forward of \"%s\" in dll \"%s\"\n"), + forward_func_name, forward_dll_name, sym_name, dll_name); return 0; } if (debug_coff_pe_read > 1) - gdb_printf (gdb_stdlog, _("Adding forwarded exported symbol" - " \"%s\" in dll \"%s\", pointing to \"%s\"\n"), + gdb_printf (gdb_stdlog, + _ ("Adding forwarded exported symbol" + " \"%s\" in dll \"%s\", pointing to \"%s\"\n"), sym_name, dll_name, forward_qualified_name.c_str ()); vma = msymbol.value_address (); @@ -238,7 +237,7 @@ add_pe_forwarded_sym (minimal_symbol_reader &reader, section); /* Enter the plain name as well, which might not be unique. */ - reader.record_with_info (bare_name.c_str(), vma - baseaddr, msymtype, + reader.record_with_info (bare_name.c_str (), vma - baseaddr, msymtype, section); return 1; @@ -254,7 +253,7 @@ read_pe_truncate_name (char *dll_name) if (last_point != NULL) *last_point = '\0'; } - + /* Low-level support functions, direct from the ld module pe-dll.c. */ static unsigned int pe_get16 (bfd *abfd, int where) @@ -291,14 +290,13 @@ pe_as32 (void *ptr) return b[0] + (b[1] << 8) + (b[2] << 16) + (b[3] << 24); } - + /* 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. */ void -read_pe_exported_syms (minimal_symbol_reader &reader, - struct objfile *objfile) +read_pe_exported_syms (minimal_symbol_reader &reader, struct objfile *objfile) { bfd *dll = objfile->obfd.get (); unsigned long nbnormal, nbforward; @@ -314,10 +312,10 @@ read_pe_exported_syms (minimal_symbol_reader &reader, char const *target = bfd_get_target (objfile->obfd.get ()); - std::vector<struct read_pe_section_data> section_data - (PE_SECTION_TABLE_SIZE); + std::vector<struct read_pe_section_data> section_data ( + PE_SECTION_TABLE_SIZE); - for (i=0; i < PE_SECTION_TABLE_SIZE; i++) + for (i = 0; i < PE_SECTION_TABLE_SIZE; i++) { section_data[i].vma_offset = 0; section_data[i].rva_start = 1; @@ -330,14 +328,14 @@ read_pe_exported_syms (minimal_symbol_reader &reader, section_data[PE_SECTION_INDEX_BSS].ms_type = mst_bss; section_data[PE_SECTION_INDEX_BSS].section_name = ".bss"; - is_pe64 = (strcmp (target, "pe-x86-64") == 0 - || strcmp (target, "pei-x86-64") == 0 - || strcmp (target, "pe-aarch64") == 0 - || strcmp (target, "pei-aarch64") == 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); + is_pe64 + = (strcmp (target, "pe-x86-64") == 0 || strcmp (target, "pei-x86-64") == 0 + || strcmp (target, "pe-aarch64") == 0 + || strcmp (target, "pei-aarch64") == 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 a recognized PE format file. Abort now, because @@ -354,7 +352,7 @@ read_pe_exported_syms (minimal_symbol_reader &reader, else num_entries = pe_get32 (dll, opthdr_ofs + 92); - if (num_entries < 1) /* No exports. */ + if (num_entries < 1) /* No exports. */ return; if (is_pe64) { @@ -367,8 +365,8 @@ read_pe_exported_syms (minimal_symbol_reader &reader, export_opthdrsize = 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)); + secptr + = (pe_header_offset + 4 + 20 + pe_get16 (dll, pe_header_offset + 4 + 16)); expptr = 0; export_size = 0; @@ -390,13 +388,15 @@ read_pe_exported_syms (minimal_symbol_reader &reader, if (strcmp (sname, ".edata") != 0) { if (debug_coff_pe_read) - gdb_printf (gdb_stdlog, _("Export RVA for dll " - "\"%s\" is in section \"%s\"\n"), + gdb_printf (gdb_stdlog, + _ ("Export RVA for dll " + "\"%s\" is in section \"%s\"\n"), bfd_get_filename (dll), sname); } else if (export_opthdrrva != vaddr && debug_coff_pe_read) - gdb_printf (gdb_stdlog, _("Wrong value of export RVA" - " for dll \"%s\": 0x%lx instead of 0x%lx\n"), + gdb_printf (gdb_stdlog, + _ ("Wrong value of export RVA" + " for dll \"%s\": 0x%lx instead of 0x%lx\n"), bfd_get_filename (dll), export_opthdrrva, vaddr); expptr = fptr + (export_opthdrrva - vaddr); break; @@ -501,8 +501,10 @@ read_pe_exported_syms (minimal_symbol_reader &reader, read_pe_truncate_name (dll_name); if (debug_coff_pe_read) - gdb_printf (gdb_stdlog, _("DLL \"%s\" has %ld export entries," - " base=%ld\n"), dll_name, nexp, ordbase); + gdb_printf (gdb_stdlog, + _ ("DLL \"%s\" has %ld export entries," + " base=%ld\n"), + dll_name, nexp, ordbase); nbforward = 0; nbnormal = 0; /* Iterate through the list of symbols. */ @@ -514,11 +516,9 @@ read_pe_exported_syms (minimal_symbol_reader &reader, unsigned long ordinal = pe_as16 (erva + ordinals + i * 2); - /* Pointer to the function address vector. */ /* This is relative to ordinal value. */ - unsigned long func_rva = pe_as32 (erva + exp_funcbase + - ordinal * 4); + unsigned long func_rva = pe_as32 (erva + exp_funcbase + ordinal * 4); /* Find this symbol's section in our own array. */ int sectix = 0; @@ -543,8 +543,9 @@ read_pe_exported_syms (minimal_symbol_reader &reader, forward_func_name = sep + 1; } if (add_pe_forwarded_sym (reader, funcname, forward_dll_name, - forward_func_name, ordinal, - dll_name, objfile) != 0) + forward_func_name, ordinal, dll_name, + objfile) + != 0) ++nbforward; continue; } @@ -574,16 +575,18 @@ read_pe_exported_syms (minimal_symbol_reader &reader, ++nbnormal; } else if (debug_coff_pe_read) - gdb_printf (gdb_stdlog, _("Export name \"%s\" ord. %lu," - " RVA 0x%lx in dll \"%s\" not handled\n"), + gdb_printf (gdb_stdlog, + _ ("Export name \"%s\" ord. %lu," + " RVA 0x%lx in dll \"%s\" not handled\n"), funcname, ordinal, func_rva, dll_name); } } if (debug_coff_pe_read) - gdb_printf (gdb_stdlog, _("Finished reading \"%s\", exports %ld," - " forwards %ld, total %ld/%ld.\n"), dll_name, nbnormal, - nbforward, nbnormal + nbforward, nexp); + gdb_printf (gdb_stdlog, + _ ("Finished reading \"%s\", exports %ld," + " forwards %ld, total %ld/%ld.\n"), + dll_name, nbnormal, nbforward, nbnormal + nbforward, nexp); } /* Extract from ABFD the offset of the .text section. @@ -611,14 +614,14 @@ pe_text_section_offset (struct bfd *abfd) target = bfd_get_target (abfd); - is_pe64 = (strcmp (target, "pe-x86-64") == 0 - || strcmp (target, "pei-x86-64") == 0 - || strcmp (target, "pe-aarch64") == 0 - || strcmp (target, "pei-aarch64") == 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); + is_pe64 + = (strcmp (target, "pe-x86-64") == 0 || strcmp (target, "pei-x86-64") == 0 + || strcmp (target, "pe-aarch64") == 0 + || strcmp (target, "pei-aarch64") == 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) { @@ -631,8 +634,8 @@ pe_text_section_offset (struct bfd *abfd) /* Get pe_header, optional header and numbers of sections. */ pe_header_offset = pe_get32 (abfd, 0x3c); nsections = pe_get16 (abfd, pe_header_offset + 4 + 2); - secptr = (pe_header_offset + 4 + 20 + - pe_get16 (abfd, pe_header_offset + 4 + 16)); + secptr + = (pe_header_offset + 4 + 20 + pe_get16 (abfd, pe_header_offset + 4 + 16)); /* Get the rva and size of the export section. */ for (i = 0; i < nsections; i++) @@ -657,21 +660,20 @@ static void show_debug_coff_pe_read (struct ui_file *file, int from_tty, struct cmd_list_element *c, const char *value) { - gdb_printf (file, _("Coff PE read debugging is %s.\n"), value); + gdb_printf (file, _ ("Coff PE read debugging is %s.\n"), value); } /* Adds "Set/show debug coff_pe_read" commands. */ void _initialize_coff_pe_read (); + void _initialize_coff_pe_read () { - add_setshow_zuinteger_cmd ("coff-pe-read", class_maintenance, - &debug_coff_pe_read, - _("Set coff PE read debugging."), - _("Show coff PE read debugging."), - _("When set, debugging messages for coff reading " - "of exported symbols are displayed."), - NULL, show_debug_coff_pe_read, - &setdebuglist, &showdebuglist); + add_setshow_zuinteger_cmd ( + "coff-pe-read", class_maintenance, &debug_coff_pe_read, + _ ("Set coff PE read debugging."), _ ("Show coff PE read debugging."), + _ ("When set, debugging messages for coff reading " + "of exported symbols are displayed."), + NULL, show_debug_coff_pe_read, &setdebuglist, &showdebuglist); } |