X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=binutils%2Fdwarf.c;h=db76ce8ef2f347267cabc5ba2c34fb964739f8ce;hb=4c422395e61397529b6bbafc7fa5c0e28b4c56dc;hp=84e22eb713e911d25d9127c100aa93253492f5ac;hpb=0ac6fba0ecc9375477561f72df351a8ea84c899b;p=deliverable%2Fbinutils-gdb.git diff --git a/binutils/dwarf.c b/binutils/dwarf.c index 84e22eb713..db76ce8ef2 100644 --- a/binutils/dwarf.c +++ b/binutils/dwarf.c @@ -1,5 +1,5 @@ /* dwarf.c -- display DWARF contents of a BFD binary file - Copyright 2005, 2006, 2007, 2008, 2009, 2010 + Copyright 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. This file is part of GNU Binutils. @@ -22,11 +22,15 @@ #include "sysdep.h" #include "libiberty.h" #include "bfd.h" +#include "bfd_stdint.h" #include "bucomm.h" +#include "elfcomm.h" #include "elf/common.h" #include "dwarf2.h" #include "dwarf.h" +static const char *regname (unsigned int regno, int row); + static int have_frame_base; static int need_base_address; @@ -53,134 +57,19 @@ int do_debug_frames_interp; int do_debug_macinfo; int do_debug_str; int do_debug_loc; +int do_gdb_index; int do_trace_info; int do_trace_abbrevs; int do_trace_aranges; int do_wide; +int dwarf_cutoff_level = -1; +unsigned long dwarf_start_die; + /* Values for do_debug_lines. */ #define FLAG_DEBUG_LINES_RAW 1 #define FLAG_DEBUG_LINES_DECODED 2 -dwarf_vma (*byte_get) (unsigned char *, int); - -dwarf_vma -byte_get_little_endian (unsigned char *field, int size) -{ - switch (size) - { - case 1: - return *field; - - case 2: - return ((unsigned int) (field[0])) - | (((unsigned int) (field[1])) << 8); - - case 3: - return ((unsigned long) (field[0])) - | (((unsigned long) (field[1])) << 8) - | (((unsigned long) (field[2])) << 16); - - case 4: - return ((unsigned long) (field[0])) - | (((unsigned long) (field[1])) << 8) - | (((unsigned long) (field[2])) << 16) - | (((unsigned long) (field[3])) << 24); - - case 8: - if (sizeof (dwarf_vma) == 8) - return ((dwarf_vma) (field[0])) - | (((dwarf_vma) (field[1])) << 8) - | (((dwarf_vma) (field[2])) << 16) - | (((dwarf_vma) (field[3])) << 24) - | (((dwarf_vma) (field[4])) << 32) - | (((dwarf_vma) (field[5])) << 40) - | (((dwarf_vma) (field[6])) << 48) - | (((dwarf_vma) (field[7])) << 56); - else if (sizeof (dwarf_vma) == 4) - /* We want to extract data from an 8 byte wide field and - place it into a 4 byte wide field. Since this is a little - endian source we can just use the 4 byte extraction code. */ - return ((unsigned long) (field[0])) - | (((unsigned long) (field[1])) << 8) - | (((unsigned long) (field[2])) << 16) - | (((unsigned long) (field[3])) << 24); - - default: - error (_("Unhandled data length: %d\n"), size); - abort (); - } -} - -dwarf_vma -byte_get_big_endian (unsigned char *field, int size) -{ - switch (size) - { - case 1: - return *field; - - case 2: - return ((unsigned int) (field[1])) | (((int) (field[0])) << 8); - - case 3: - return ((unsigned long) (field[2])) - | (((unsigned long) (field[1])) << 8) - | (((unsigned long) (field[0])) << 16); - - case 4: - return ((unsigned long) (field[3])) - | (((unsigned long) (field[2])) << 8) - | (((unsigned long) (field[1])) << 16) - | (((unsigned long) (field[0])) << 24); - - case 8: - if (sizeof (dwarf_vma) == 8) - return ((dwarf_vma) (field[7])) - | (((dwarf_vma) (field[6])) << 8) - | (((dwarf_vma) (field[5])) << 16) - | (((dwarf_vma) (field[4])) << 24) - | (((dwarf_vma) (field[3])) << 32) - | (((dwarf_vma) (field[2])) << 40) - | (((dwarf_vma) (field[1])) << 48) - | (((dwarf_vma) (field[0])) << 56); - else if (sizeof (dwarf_vma) == 4) - { - /* Although we are extracing data from an 8 byte wide field, - we are returning only 4 bytes of data. */ - field += 4; - return ((unsigned long) (field[3])) - | (((unsigned long) (field[2])) << 8) - | (((unsigned long) (field[1])) << 16) - | (((unsigned long) (field[0])) << 24); - } - - default: - error (_("Unhandled data length: %d\n"), size); - abort (); - } -} - -static dwarf_vma -byte_get_signed (unsigned char *field, int size) -{ - dwarf_vma x = byte_get (field, size); - - switch (size) - { - case 1: - return (x ^ 0x80) - 0x80; - case 2: - return (x ^ 0x8000) - 0x8000; - case 4: - return (x ^ 0x80000000) - 0x80000000; - case 8: - return x; - default: - abort (); - } -} - static int size_of_encoded_value (int encoding) { @@ -195,14 +84,21 @@ size_of_encoded_value (int encoding) } static dwarf_vma -get_encoded_value (unsigned char *data, int encoding) +get_encoded_value (unsigned char *data, + int encoding, + struct dwarf_section *section) { int size = size_of_encoded_value (encoding); + dwarf_vma val; if (encoding & DW_EH_PE_signed) - return byte_get_signed (data, size); + val = byte_get_signed (data, size); else - return byte_get (data, size); + val = byte_get (data, size); + + if ((encoding & 0x70) == DW_EH_PE_pcrel) + val += section->address + (data - section->start); + return val; } /* Print a dwarf_vma value (typically an address, offset or length) in @@ -213,12 +109,13 @@ static void print_dwarf_vma (dwarf_vma val, unsigned byte_size) { static char buff[18]; + int offset = 0; /* Printf does not have a way of specifiying a maximum field width for an integer value, so we print the full value into a buffer and then select the precision we need. */ #if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2) -#ifndef __MSVCRT__ +#ifndef __MINGW32__ snprintf (buff, sizeof (buff), "%16.16llx ", val); #else snprintf (buff, sizeof (buff), "%016I64x ", val); @@ -227,13 +124,55 @@ print_dwarf_vma (dwarf_vma val, unsigned byte_size) snprintf (buff, sizeof (buff), "%16.16lx ", val); #endif - fputs (buff + (byte_size == 4 ? 8 : 0), stdout); + if (byte_size != 0) + { + if (byte_size > 0 && byte_size <= 8) + offset = 16 - 2 * byte_size; + else + error ("Wrong size in print_dwarf_vma"); + } + + fputs (buff + offset, stdout); +} + +#if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2) +#ifndef __MINGW32__ +#define DWARF_VMA_FMT "ll" +#else +#define DWARF_VMA_FMT "I64" +#endif +#else +#define DWARF_VMA_FMT "l" +#endif + +static const char * +dwarf_vmatoa (const char *fmtch, dwarf_vma value) +{ + /* As dwarf_vmatoa is used more then once in a printf call + for output, we are cycling through an fixed array of pointers + for return address. */ + static int buf_pos = 0; + static struct dwarf_vmatoa_buf + { + char place[64]; + } buf[16]; + char fmt[32]; + char *ret; + + sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch); + + ret = buf[buf_pos++].place; + buf_pos %= ARRAY_SIZE (buf); + + snprintf (ret, sizeof (buf[0].place), fmt, value); + + return ret; } -unsigned long int +dwarf_vma read_leb128 (unsigned char *data, unsigned int *length_return, int sign) { - unsigned long int result = 0; + dwarf_vma result = 0; unsigned int num_read = 0; unsigned int shift = 0; unsigned char byte; @@ -243,7 +182,7 @@ read_leb128 (unsigned char *data, unsigned int *length_return, int sign) byte = *data++; num_read++; - result |= ((unsigned long int) (byte & 0x7f)) << shift; + result |= ((dwarf_vma) (byte & 0x7f)) << shift; shift += 7; @@ -259,9 +198,16 @@ read_leb128 (unsigned char *data, unsigned int *length_return, int sign) return result; } +/* Create a signed version to avoid painful typecasts. */ +static dwarf_signed_vma +read_sleb128 (unsigned char *data, unsigned int *length_return) +{ + return (dwarf_signed_vma) read_leb128 (data, length_return, 1); +} + typedef struct State_Machine_Registers { - unsigned long address; + dwarf_vma address; unsigned int file; unsigned int line; unsigned int column; @@ -300,7 +246,7 @@ process_extended_line_op (unsigned char *data, int is_stmt) unsigned int bytes_read; unsigned int len; unsigned char *name; - unsigned long adr; + dwarf_vma adr; len = read_leb128 (data, & bytes_read, 0); data += bytes_read; @@ -325,7 +271,7 @@ process_extended_line_op (unsigned char *data, int is_stmt) case DW_LNE_set_address: adr = byte_get (data, len - bytes_read - 1); - printf (_("set Address to 0x%lx\n"), adr); + printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr)); state_machine_regs.address = adr; state_machine_regs.op_index = 0; break; @@ -334,20 +280,20 @@ process_extended_line_op (unsigned char *data, int is_stmt) printf (_(" define new File Table entry\n")); printf (_(" Entry\tDir\tTime\tSize\tName\n")); - printf (_(" %d\t"), ++state_machine_regs.last_file_entry); + printf (" %d\t", ++state_machine_regs.last_file_entry); name = data; data += strlen ((char *) data) + 1; - printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); + printf ("%s\t", dwarf_vmatoa ("u", read_leb128 (data, & bytes_read, 0))); data += bytes_read; - printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); + printf ("%s\t", dwarf_vmatoa ("u", read_leb128 (data, & bytes_read, 0))); data += bytes_read; - printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); - printf (_("%s\n\n"), name); + printf ("%s\t", dwarf_vmatoa ("u", read_leb128 (data, & bytes_read, 0))); + printf ("%s\n\n", name); break; case DW_LNE_set_discriminator: - printf (_("set Discriminator to %lu\n"), - read_leb128 (data, & bytes_read, 0)); + printf (_("set Discriminator to %s\n"), + dwarf_vmatoa ("u", read_leb128 (data, & bytes_read, 0))); break; /* HP extensions. */ @@ -381,16 +327,71 @@ process_extended_line_op (unsigned char *data, int is_stmt) case DW_LNE_HP_define_proc: printf ("DW_LNE_HP_define_proc\n"); break; + case DW_LNE_HP_source_file_correlation: + { + unsigned char *edata = data + len - bytes_read - 1; + + printf ("DW_LNE_HP_source_file_correlation\n"); + + while (data < edata) + { + unsigned int opc; + + opc = read_leb128 (data, & bytes_read, 0); + data += bytes_read; + + switch (opc) + { + case DW_LNE_HP_SFC_formfeed: + printf (" DW_LNE_HP_SFC_formfeed\n"); + break; + case DW_LNE_HP_SFC_set_listing_line: + printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n", + dwarf_vmatoa ("u", + read_leb128 (data, & bytes_read, 0))); + data += bytes_read; + break; + case DW_LNE_HP_SFC_associate: + printf (" DW_LNE_HP_SFC_associate "); + printf (_("(%s"), + dwarf_vmatoa ("u", + read_leb128 (data, & bytes_read, 0))); + data += bytes_read; + printf (_(",%s"), + dwarf_vmatoa ("u", + read_leb128 (data, & bytes_read, 0))); + data += bytes_read; + printf (_(",%s)\n"), + dwarf_vmatoa ("u", + read_leb128 (data, & bytes_read, 0))); + data += bytes_read; + break; + default: + printf (" UNKNOW DW_LNE_HP_SFC opcode (%u)\n", opc); + data = edata; + break; + } + } + } + break; default: - if (op_code >= DW_LNE_lo_user - /* The test against DW_LNW_hi_user is redundant due to - the limited range of the unsigned char data type used - for op_code. */ - /*&& op_code <= DW_LNE_hi_user*/) - printf (_("user defined: length %d\n"), len - bytes_read); - else - printf (_("UNKNOWN: length %d\n"), len - bytes_read); + { + unsigned int rlen = len - bytes_read - 1; + + if (op_code >= DW_LNE_lo_user + /* The test against DW_LNW_hi_user is redundant due to + the limited range of the unsigned char data type used + for op_code. */ + /*&& op_code <= DW_LNE_hi_user*/) + printf (_("user defined: ")); + else + printf (_("UNKNOWN: ")); + printf (_("length %d ["), rlen); + for (; rlen; rlen--) + printf (" %02x", *data++); + printf ("]\n"); + } break; } @@ -398,7 +399,7 @@ process_extended_line_op (unsigned char *data, int is_stmt) } static const char * -fetch_indirect_string (unsigned long offset) +fetch_indirect_string (dwarf_vma offset) { struct dwarf_section *section = &debug_displays [str].section; @@ -409,7 +410,8 @@ fetch_indirect_string (unsigned long offset) offset -= section->address; if (offset > section->size) { - warn (_("DW_FORM_strp offset too big: %lx\n"), offset); + warn (_("DW_FORM_strp offset too big: %s\n"), + dwarf_vmatoa ("x", offset)); return _(""); } @@ -472,7 +474,6 @@ add_abbrev (unsigned long number, unsigned long tag, int children) abbrev_entry *entry; entry = (abbrev_entry *) malloc (sizeof (*entry)); - if (entry == NULL) /* ugg */ return; @@ -498,7 +499,6 @@ add_abbrev_attr (unsigned long attribute, unsigned long form) abbrev_attr *attr; attr = (abbrev_attr *) malloc (sizeof (*attr)); - if (attr == NULL) /* ugg */ return; @@ -645,6 +645,9 @@ get_TAG_name (unsigned long tag) case DW_TAG_upc_shared_type: return "DW_TAG_upc_shared_type"; case DW_TAG_upc_strict_type: return "DW_TAG_upc_strict_type"; case DW_TAG_upc_relaxed_type: return "DW_TAG_upc_relaxed_type"; + /* GNU values. */ + case DW_TAG_GNU_call_site: return "DW_TAG_GNU_call_site"; + case DW_TAG_GNU_call_site_parameter:return "DW_TAG_GNU_call_site_parameter"; default: { static char buffer[100]; @@ -697,9 +700,9 @@ get_FORM_name (unsigned long form) } static unsigned char * -display_block (unsigned char *data, unsigned long length) +display_block (unsigned char *data, dwarf_vma length) { - printf (_(" %lu byte block: "), length); + printf (_(" %s byte block: "), dwarf_vmatoa ("u", length)); while (length --) printf ("%lx ", (unsigned long) byte_get (data++, 1)); @@ -710,13 +713,15 @@ display_block (unsigned char *data, unsigned long length) static int decode_location_expression (unsigned char * data, unsigned int pointer_size, - unsigned long length, - unsigned long cu_offset, + unsigned int offset_size, + int dwarf_version, + dwarf_vma length, + dwarf_vma cu_offset, struct dwarf_section * section) { unsigned op; unsigned int bytes_read; - unsigned long uvalue; + dwarf_vma uvalue; unsigned char *end = data + length; int need_frame_base = 0; @@ -727,8 +732,8 @@ decode_location_expression (unsigned char * data, switch (op) { case DW_OP_addr: - printf ("DW_OP_addr: %lx", - (unsigned long) byte_get (data, pointer_size)); + printf ("DW_OP_addr: %s", + dwarf_vmatoa ("x", byte_get (data, pointer_size))); data += pointer_size; break; case DW_OP_deref: @@ -767,11 +772,13 @@ decode_location_expression (unsigned char * data, data += 8; break; case DW_OP_constu: - printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0)); + printf ("DW_OP_constu: %s", + dwarf_vmatoa ("u", read_leb128 (data, &bytes_read, 0))); data += bytes_read; break; case DW_OP_consts: - printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1)); + printf ("DW_OP_consts: %s", + dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read))); data += bytes_read; break; case DW_OP_dup: @@ -826,8 +833,8 @@ decode_location_expression (unsigned char * data, printf ("DW_OP_plus"); break; case DW_OP_plus_uconst: - printf ("DW_OP_plus_uconst: %lu", - read_leb128 (data, &bytes_read, 0)); + printf ("DW_OP_plus_uconst: %s", + dwarf_vmatoa ("u", read_leb128 (data, &bytes_read, 0))); data += bytes_read; break; case DW_OP_shl: @@ -936,7 +943,8 @@ decode_location_expression (unsigned char * data, case DW_OP_reg29: case DW_OP_reg30: case DW_OP_reg31: - printf ("DW_OP_reg%d", op - DW_OP_reg0); + printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0, + regname (op - DW_OP_reg0, 1)); break; case DW_OP_breg0: @@ -971,29 +979,37 @@ decode_location_expression (unsigned char * data, case DW_OP_breg29: case DW_OP_breg30: case DW_OP_breg31: - printf ("DW_OP_breg%d: %ld", op - DW_OP_breg0, - read_leb128 (data, &bytes_read, 1)); + printf ("DW_OP_breg%d (%s): %s", + op - DW_OP_breg0, + regname (op - DW_OP_breg0, 1), + dwarf_vmatoa ("d", (dwarf_signed_vma) + read_leb128 (data, &bytes_read, 1))); data += bytes_read; break; case DW_OP_regx: - printf ("DW_OP_regx: %lu", read_leb128 (data, &bytes_read, 0)); + uvalue = read_leb128 (data, &bytes_read, 0); data += bytes_read; + printf ("DW_OP_regx: %s (%s)", + dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); break; case DW_OP_fbreg: need_frame_base = 1; - printf ("DW_OP_fbreg: %ld", read_leb128 (data, &bytes_read, 1)); + printf ("DW_OP_fbreg: %s", + dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read))); data += bytes_read; break; case DW_OP_bregx: uvalue = read_leb128 (data, &bytes_read, 0); data += bytes_read; - printf ("DW_OP_bregx: %lu %ld", uvalue, - read_leb128 (data, &bytes_read, 1)); + printf ("DW_OP_bregx: %s (%s) %s", + dwarf_vmatoa ("u", uvalue), regname (uvalue, 1), + dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read))); data += bytes_read; break; case DW_OP_piece: - printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0)); + printf ("DW_OP_piece: %s", + dwarf_vmatoa ("u", read_leb128 (data, &bytes_read, 0))); data += bytes_read; break; case DW_OP_deref_size: @@ -1013,20 +1029,40 @@ decode_location_expression (unsigned char * data, case DW_OP_call2: /* XXX: Strictly speaking for 64-bit DWARF3 files this ought to be an 8-byte wide computation. */ - printf ("DW_OP_call2: <%lx>", (long) byte_get (data, 2) + cu_offset); + printf ("DW_OP_call2: <0x%s>", + dwarf_vmatoa ("x", (dwarf_signed_vma) byte_get (data, 2) + + cu_offset)); data += 2; break; case DW_OP_call4: /* XXX: Strictly speaking for 64-bit DWARF3 files this ought to be an 8-byte wide computation. */ - printf ("DW_OP_call4: <%lx>", (long) byte_get (data, 4) + cu_offset); + printf ("DW_OP_call4: <0x%s>", + dwarf_vmatoa ("x", (dwarf_signed_vma) byte_get (data, 4) + + cu_offset)); data += 4; break; case DW_OP_call_ref: /* XXX: Strictly speaking for 64-bit DWARF3 files this ought to be an 8-byte wide computation. */ - printf ("DW_OP_call_ref: <%lx>", (long) byte_get (data, 4) + cu_offset); - data += 4; + if (dwarf_version == -1) + { + printf (_("(DW_OP_call_ref in frame info)")); + /* No way to tell where the next op is, so just bail. */ + return need_frame_base; + } + if (dwarf_version == 2) + { + printf ("DW_OP_call_ref: <0x%s>", + dwarf_vmatoa ("x", byte_get (data, pointer_size))); + data += pointer_size; + } + else + { + printf ("DW_OP_call_ref: <0x%s>", + dwarf_vmatoa ("x", byte_get (data, offset_size))); + data += offset_size; + } break; case DW_OP_form_tls_address: printf ("DW_OP_form_tls_address"); @@ -1036,9 +1072,11 @@ decode_location_expression (unsigned char * data, break; case DW_OP_bit_piece: printf ("DW_OP_bit_piece: "); - printf ("size: %lu ", read_leb128 (data, &bytes_read, 0)); + printf ("size: %s ", + dwarf_vmatoa ("u", read_leb128 (data, &bytes_read, 0))); data += bytes_read; - printf ("offset: %lu ", read_leb128 (data, &bytes_read, 0)); + printf ("offset: %s ", + dwarf_vmatoa ("u", read_leb128 (data, &bytes_read, 0))); data += bytes_read; break; @@ -1067,17 +1105,88 @@ decode_location_expression (unsigned char * data, { int encoding; dwarf_vma addr; - + encoding = *data++; - addr = get_encoded_value (data, encoding); - if ((encoding & 0x70) == DW_EH_PE_pcrel) - addr += section->address + (data - section->start); + addr = get_encoded_value (data, encoding, section); data += size_of_encoded_value (encoding); printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding); print_dwarf_vma (addr, pointer_size); } break; + case DW_OP_GNU_implicit_pointer: + /* XXX: Strictly speaking for 64-bit DWARF3 files + this ought to be an 8-byte wide computation. */ + if (dwarf_version == -1) + { + printf (_("(DW_OP_GNU_implicit_pointer in frame info)")); + /* No way to tell where the next op is, so just bail. */ + return need_frame_base; + } + if (dwarf_version == 2) + { + printf ("DW_OP_GNU_implicit_pointer: <0x%s> %s", + dwarf_vmatoa ("x", byte_get (data, pointer_size)), + dwarf_vmatoa ("d", read_sleb128 (data + pointer_size, + &bytes_read))); + data += pointer_size + bytes_read; + } + else + { + printf ("DW_OP_GNU_implicit_pointer: <0x%s> %s", + dwarf_vmatoa ("x", byte_get (data, offset_size)), + dwarf_vmatoa ("d", read_sleb128 (data + offset_size, + &bytes_read))); + data += offset_size + bytes_read; + } + break; + case DW_OP_GNU_entry_value: + uvalue = read_leb128 (data, &bytes_read, 0); + data += bytes_read; + printf ("DW_OP_GNU_entry_value: ("); + if (decode_location_expression (data, pointer_size, offset_size, + dwarf_version, uvalue, + cu_offset, section)) + need_frame_base = 1; + putchar (')'); + data += uvalue; + break; + case DW_OP_GNU_const_type: + uvalue = read_leb128 (data, &bytes_read, 0); + data += bytes_read; + printf ("DW_OP_GNU_const_type: <0x%s> ", + dwarf_vmatoa ("x", cu_offset + uvalue)); + uvalue = byte_get (data++, 1); + display_block (data, uvalue); + data += uvalue; + break; + case DW_OP_GNU_regval_type: + uvalue = read_leb128 (data, &bytes_read, 0); + data += bytes_read; + printf ("DW_OP_GNU_regval_type: %s (%s)", + dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); + uvalue = read_leb128 (data, &bytes_read, 0); + data += bytes_read; + printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); + break; + case DW_OP_GNU_deref_type: + printf ("DW_OP_GNU_deref_type: %ld", (long) byte_get (data++, 1)); + uvalue = read_leb128 (data, &bytes_read, 0); + data += bytes_read; + printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); + break; + case DW_OP_GNU_convert: + uvalue = read_leb128 (data, &bytes_read, 0); + data += bytes_read; + printf ("DW_OP_GNU_convert <0x%s>", + dwarf_vmatoa ("x", cu_offset + uvalue)); + break; + case DW_OP_GNU_reinterpret: + uvalue = read_leb128 (data, &bytes_read, 0); + data += bytes_read; + printf ("DW_OP_GNU_reinterpret <0x%s>", + dwarf_vmatoa ("x", cu_offset + uvalue)); + break; /* HP extensions. */ case DW_OP_HP_is_value: @@ -1136,15 +1245,15 @@ static unsigned char * read_and_display_attr_value (unsigned long attribute, unsigned long form, unsigned char * data, - unsigned long cu_offset, - unsigned long pointer_size, - unsigned long offset_size, + dwarf_vma cu_offset, + dwarf_vma pointer_size, + dwarf_vma offset_size, int dwarf_version, debug_info * debug_info_p, int do_loc, struct dwarf_section * section) { - unsigned long uvalue = 0; + dwarf_vma uvalue = 0; unsigned char *block_start = NULL; unsigned char * orig_data = data; unsigned int bytes_read; @@ -1166,9 +1275,8 @@ read_and_display_attr_value (unsigned long attribute, data += offset_size; } else - { - error (_("Internal error: DWARF version is not 2, 3 or 4.\n")); - } + error (_("Internal error: DWARF version is not 2, 3 or 4.\n")); + break; case DW_FORM_addr: @@ -1231,7 +1339,7 @@ read_and_display_attr_value (unsigned long attribute, { case DW_FORM_ref_addr: if (!do_loc) - printf (" <0x%lx>", uvalue); + printf (" <0x%s>", dwarf_vmatoa ("x",uvalue)); break; case DW_FORM_ref1: @@ -1239,14 +1347,14 @@ read_and_display_attr_value (unsigned long attribute, case DW_FORM_ref4: case DW_FORM_ref_udata: if (!do_loc) - printf (" <0x%lx>", uvalue + cu_offset); + printf (" <0x%s>", dwarf_vmatoa ("x", uvalue + cu_offset)); break; case DW_FORM_data4: case DW_FORM_addr: case DW_FORM_sec_offset: if (!do_loc) - printf (" 0x%lx", uvalue); + printf (" 0x%s", dwarf_vmatoa ("x", uvalue)); break; case DW_FORM_flag_present: @@ -1256,7 +1364,7 @@ read_and_display_attr_value (unsigned long attribute, case DW_FORM_sdata: case DW_FORM_udata: if (!do_loc) - printf (" %ld", uvalue); + printf (" %s", dwarf_vmatoa ("d", uvalue)); break; case DW_FORM_ref8: @@ -1264,7 +1372,7 @@ read_and_display_attr_value (unsigned long attribute, if (!do_loc) { uvalue = byte_get (data, 4); - printf (" 0x%lx", uvalue); + printf (" 0x%s", dwarf_vmatoa ("x", uvalue)); printf (" 0x%lx", (unsigned long) byte_get (data + 4, 4)); } if ((do_loc || do_debug_loc || do_debug_ranges) @@ -1273,7 +1381,7 @@ read_and_display_attr_value (unsigned long attribute, if (sizeof (uvalue) == 8) uvalue = byte_get (data, 8); else - error (_("DW_FORM_data8 is unsupported when sizeof (unsigned long) != 8\n")); + error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n")); } data += 8; break; @@ -1323,8 +1431,9 @@ read_and_display_attr_value (unsigned long attribute, case DW_FORM_strp: if (!do_loc) - printf (_(" (indirect string, offset: 0x%lx): %s"), - uvalue, fetch_indirect_string (uvalue)); + printf (_(" (indirect string, offset: 0x%s): %s"), + dwarf_vmatoa ("x", uvalue), + fetch_indirect_string (uvalue)); break; case DW_FORM_indirect: @@ -1352,7 +1461,8 @@ read_and_display_attr_value (unsigned long attribute, } if ((do_loc || do_debug_loc || do_debug_ranges) - && num_debug_info_entries == 0) + && num_debug_info_entries == 0 + && debug_info_p != NULL) { switch (attribute) { @@ -1366,6 +1476,10 @@ read_and_display_attr_value (unsigned long attribute, case DW_AT_segment: case DW_AT_static_link: case DW_AT_use_location: + case DW_AT_GNU_call_site_value: + case DW_AT_GNU_call_site_data_value: + case DW_AT_GNU_call_site_target: + case DW_AT_GNU_call_site_target_clobbered: if (form == DW_FORM_data4 || form == DW_FORM_data8 || form == DW_FORM_sec_offset) @@ -1377,7 +1491,7 @@ read_and_display_attr_value (unsigned long attribute, if (lmax == 0 || num >= lmax) { lmax += 1024; - debug_info_p->loc_offsets = (long unsigned int *) + debug_info_p->loc_offsets = (dwarf_vma *) xcrealloc (debug_info_p->loc_offsets, lmax, sizeof (*debug_info_p->loc_offsets)); debug_info_p->have_frame_base = (int *) @@ -1408,7 +1522,7 @@ read_and_display_attr_value (unsigned long attribute, if (lmax == 0 || num >= lmax) { lmax += 1024; - debug_info_p->range_lists = (long unsigned int *) + debug_info_p->range_lists = (dwarf_vma *) xcrealloc (debug_info_p->range_lists, lmax, sizeof (*debug_info_p->range_lists)); debug_info_p->max_range_lists = lmax; @@ -1447,7 +1561,8 @@ read_and_display_attr_value (unsigned long attribute, printf (_("(declared as inline and inlined)")); break; default: - printf (_(" (Unknown inline attribute value: %lx)"), uvalue); + printf (_(" (Unknown inline attribute value: %s)"), + dwarf_vmatoa ("x", uvalue)); break; } break; @@ -1485,9 +1600,10 @@ read_and_display_attr_value (unsigned long attribute, case DW_LANG_Upc: printf ("(Unified Parallel C)"); break; default: if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user) - printf ("(implementation defined: %lx)", uvalue); + printf ("(implementation defined: %s)", + dwarf_vmatoa ("x", uvalue)); else - printf ("(Unknown: %lx)", uvalue); + printf ("(Unknown: %s)", dwarf_vmatoa ("x", uvalue)); break; } break; @@ -1609,6 +1725,10 @@ read_and_display_attr_value (unsigned long attribute, case DW_AT_segment: case DW_AT_static_link: case DW_AT_use_location: + case DW_AT_GNU_call_site_value: + case DW_AT_GNU_call_site_data_value: + case DW_AT_GNU_call_site_target: + case DW_AT_GNU_call_site_target_clobbered: if (form == DW_FORM_data4 || form == DW_FORM_data8 || form == DW_FORM_sec_offset) @@ -1627,6 +1747,8 @@ read_and_display_attr_value (unsigned long attribute, printf ("("); need_frame_base = decode_location_expression (block_start, pointer_size, + offset_size, + dwarf_version, uvalue, cu_offset, section); printf (")"); @@ -1646,8 +1768,9 @@ read_and_display_attr_value (unsigned long attribute, uvalue += cu_offset; if (uvalue >= section->size) - warn (_("Offset %lx used as value for DW_AT_import attribute of DIE at offset %lx is too big.\n"), - uvalue, (unsigned long) (orig_data - section->start)); + warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset %lx is too big.\n"), + dwarf_vmatoa ("x", uvalue), + (unsigned long) (orig_data - section->start)); else { unsigned long abbrev_number; @@ -1824,6 +1947,14 @@ get_AT_name (unsigned long attribute) case DW_AT_GNU_odr_signature: return "DW_AT_GNU_odr_signature"; case DW_AT_use_GNAT_descriptive_type: return "DW_AT_use_GNAT_descriptive_type"; case DW_AT_GNAT_descriptive_type: return "DW_AT_GNAT_descriptive_type"; + case DW_AT_GNU_call_site_value: return "DW_AT_GNU_call_site_value"; + case DW_AT_GNU_call_site_data_value: return "DW_AT_GNU_call_site_data_value"; + case DW_AT_GNU_call_site_target: return "DW_AT_GNU_call_site_target"; + case DW_AT_GNU_call_site_target_clobbered: return "DW_AT_GNU_call_site_target_clobbered"; + case DW_AT_GNU_tail_call: return "DW_AT_GNU_tail_call"; + case DW_AT_GNU_all_tail_call_sites: return "DW_AT_GNU_all_tail_call_sites"; + case DW_AT_GNU_all_call_sites: return "DW_AT_GNU_all_call_sites"; + case DW_AT_GNU_all_source_call_sites: return "DW_AT_GNU_all_source_call_sites"; /* UPC extension. */ case DW_AT_upc_threads_scaled: return "DW_AT_upc_threads_scaled"; @@ -1848,9 +1979,9 @@ static unsigned char * read_and_display_attr (unsigned long attribute, unsigned long form, unsigned char * data, - unsigned long cu_offset, - unsigned long pointer_size, - unsigned long offset_size, + dwarf_vma cu_offset, + dwarf_vma pointer_size, + dwarf_vma offset_size, int dwarf_version, debug_info * debug_info_p, int do_loc, @@ -1890,7 +2021,7 @@ process_debug_info (struct dwarf_section *section, && num_debug_info_entries == 0 && ! do_types) { - unsigned long length; + dwarf_vma length; /* First scan the section to get the number of comp units. */ for (section_begin = start, num_units = 0; section_begin < end; @@ -1908,7 +2039,8 @@ process_debug_info (struct dwarf_section *section, } else if (length >= 0xfffffff0 && length < 0xffffffff) { - warn (_("Reserved length value (%lx) found in section %s\n"), length, section->name); + warn (_("Reserved length value (0x%s) found in section %s\n"), + dwarf_vmatoa ("x", length), section->name); return 0; } else @@ -1919,7 +2051,8 @@ process_debug_info (struct dwarf_section *section, relocations to an object file. */ if ((signed long) length <= 0) { - warn (_("Corrupt unit length (%lx) found in section %s\n"), length, section->name); + warn (_("Corrupt unit length (0x%s) found in section %s\n"), + dwarf_vmatoa ("x", length), section->name); return 0; } } @@ -1943,7 +2076,8 @@ process_debug_info (struct dwarf_section *section, if (!do_loc) { - printf (_("Contents of the %s section:\n\n"), section->name); + if (dwarf_start_die == 0) + printf (_("Contents of the %s section:\n\n"), section->name); load_debug_section (str, file); } @@ -1961,12 +2095,12 @@ process_debug_info (struct dwarf_section *section, DWARF2_Internal_CompUnit compunit; unsigned char *hdrptr; unsigned char *tags; - int level; - unsigned long cu_offset; + int level, last_level, saved_level; + dwarf_vma cu_offset; int offset_size; int initial_length_size; unsigned char signature[8] = { 0 }; - unsigned long type_offset = 0; + dwarf_vma type_offset = 0; hdrptr = start; @@ -2018,6 +2152,8 @@ process_debug_info (struct dwarf_section *section, debug_information [unit].cu_offset = cu_offset; debug_information [unit].pointer_size = compunit.cu_pointer_size; + debug_information [unit].offset_size = offset_size; + debug_information [unit].dwarf_version = compunit.cu_version; debug_information [unit].base_address = 0; debug_information [unit].loc_offsets = NULL; debug_information [unit].have_frame_base = NULL; @@ -2028,13 +2164,16 @@ process_debug_info (struct dwarf_section *section, debug_information [unit].num_range_lists = 0; } - if (!do_loc) + if (!do_loc && dwarf_start_die == 0) { - printf (_(" Compilation Unit @ offset 0x%lx:\n"), cu_offset); - printf (_(" Length: 0x%lx (%s)\n"), compunit.cu_length, - initial_length_size == 8 ? "64-bit" : "32-bit"); + printf (_(" Compilation Unit @ offset 0x%s:\n"), + dwarf_vmatoa ("x", cu_offset)); + printf (_(" Length: 0x%s (%s)\n"), + dwarf_vmatoa ("x", compunit.cu_length), + offset_size == 8 ? "64-bit" : "32-bit"); printf (_(" Version: %d\n"), compunit.cu_version); - printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset); + printf (_(" Abbrev Offset: %s\n"), + dwarf_vmatoa ("d", compunit.cu_abbrev_offset)); printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size); if (do_types) { @@ -2043,15 +2182,18 @@ process_debug_info (struct dwarf_section *section, for (i = 0; i < 8; i++) printf ("%02x", signature[i]); printf ("\n"); - printf (_(" Type Offset: 0x%lx\n"), type_offset); + printf (_(" Type Offset: 0x%s\n"), + dwarf_vmatoa ("x", type_offset)); } } if (cu_offset + compunit.cu_length + initial_length_size > section->size) { - warn (_("Debug info is corrupted, length of CU at %lx extends beyond end of section (length = %lx)\n"), - cu_offset, compunit.cu_length); + warn (_("Debug info is corrupted, length of CU at %s" + " extends beyond end of section (length = %s)\n"), + dwarf_vmatoa ("x", cu_offset), + dwarf_vmatoa ("x", compunit.cu_length)); break; } tags = hdrptr; @@ -2061,8 +2203,9 @@ process_debug_info (struct dwarf_section *section, && compunit.cu_version != 3 && compunit.cu_version != 4) { - warn (_("CU at offset %lx contains corrupt or unsupported version number: %d.\n"), - cu_offset, compunit.cu_version); + warn (_("CU at offset %s contains corrupt or " + "unsupported version number: %d.\n"), + dwarf_vmatoa ("x", cu_offset), compunit.cu_version); continue; } @@ -2082,6 +2225,8 @@ process_debug_info (struct dwarf_section *section, + debug_displays [abbrev_sec].section.size); level = 0; + last_level = level; + saved_level = -1; while (tags < start) { unsigned int bytes_read; @@ -2089,6 +2234,7 @@ process_debug_info (struct dwarf_section *section, unsigned long die_offset; abbrev_entry *entry; abbrev_attr *attr; + int do_printing = 1; die_offset = tags - section_begin; @@ -2125,12 +2271,30 @@ process_debug_info (struct dwarf_section *section, warn (_("Further warnings about bogus end-of-sibling markers suppressed\n")); } } + if (dwarf_start_die != 0 && level < saved_level) + return 1; continue; } if (!do_loc) - printf (_(" <%d><%lx>: Abbrev Number: %lu"), - level, die_offset, abbrev_number); + { + if (dwarf_start_die != 0 && die_offset < dwarf_start_die) + do_printing = 0; + else + { + if (dwarf_start_die != 0 && die_offset == dwarf_start_die) + saved_level = level; + do_printing = (dwarf_cutoff_level == -1 + || level < dwarf_cutoff_level); + if (do_printing) + printf (_(" <%d><%lx>: Abbrev Number: %lu"), + level, die_offset, abbrev_number); + else if (dwarf_cutoff_level == -1 + || last_level < dwarf_cutoff_level) + printf (_(" <%d><%lx>: ...\n"), level, die_offset); + last_level = level; + } + } /* Scan through the abbreviation list until we reach the correct entry. */ @@ -2141,7 +2305,7 @@ process_debug_info (struct dwarf_section *section, if (entry == NULL) { - if (!do_loc) + if (!do_loc && do_printing) { printf ("\n"); fflush (stdout); @@ -2151,8 +2315,8 @@ process_debug_info (struct dwarf_section *section, return 0; } - if (!do_loc) - printf (_(" (%s)\n"), get_TAG_name (entry->tag)); + if (!do_loc && do_printing) + printf (" (%s)\n", get_TAG_name (entry->tag)); switch (entry->tag) { @@ -2172,9 +2336,15 @@ process_debug_info (struct dwarf_section *section, for (attr = entry->first_attr; attr; attr = attr->next) { - if (! do_loc) + debug_info *arg; + + if (! do_loc && do_printing) /* Show the offset from where the tag was extracted. */ - printf (" <%2lx>", (unsigned long)(tags - section_begin)); + printf (" <%lx>", (unsigned long)(tags - section_begin)); + + arg = debug_information; + if (debug_information) + arg += unit; tags = read_and_display_attr (attr->attribute, attr->form, @@ -2182,8 +2352,8 @@ process_debug_info (struct dwarf_section *section, compunit.cu_pointer_size, offset_size, compunit.cu_version, - debug_information + unit, - do_loc, section); + arg, + do_loc || ! do_printing, section); } if (entry->children) @@ -2199,9 +2369,7 @@ process_debug_info (struct dwarf_section *section, num_debug_info_entries = num_units; if (!do_loc) - { - printf ("\n"); - } + printf ("\n"); return 1; } @@ -2328,7 +2496,7 @@ display_debug_lines_raw (struct dwarf_section *section, linfo.li_line_base >>= 24; printf (_(" Offset: 0x%lx\n"), hdroff); - printf (_(" Length: %ld\n"), linfo.li_length); + printf (_(" Length: %ld\n"), (long) linfo.li_length); printf (_(" DWARF Version: %d\n"), linfo.li_version); printf (_(" Prologue Length: %d\n"), linfo.li_prologue_length); printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length); @@ -2362,7 +2530,7 @@ display_debug_lines_raw (struct dwarf_section *section, while (*data != 0) { - printf (_(" %s\n"), data); + printf (" %s\n", data); data += strlen ((char *) data) + 1; } @@ -2384,18 +2552,21 @@ display_debug_lines_raw (struct dwarf_section *section, unsigned char *name; unsigned int bytes_read; - printf (_(" %d\t"), ++state_machine_regs.last_file_entry); + printf (" %d\t", ++state_machine_regs.last_file_entry); name = data; data += strlen ((char *) data) + 1; - printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); + printf ("%s\t", + dwarf_vmatoa ("u", read_leb128 (data, & bytes_read, 0))); data += bytes_read; - printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); + printf ("%s\t", + dwarf_vmatoa ("u", read_leb128 (data, & bytes_read, 0))); data += bytes_read; - printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); + printf ("%s\t", + dwarf_vmatoa ("u", read_leb128 (data, & bytes_read, 0))); data += bytes_read; - printf (_("%s\n"), name); + printf ("%s\n", name); } } @@ -2408,8 +2579,8 @@ display_debug_lines_raw (struct dwarf_section *section, while (data < end_of_sequence) { unsigned char op_code; - int adv; - unsigned long int uladv; + dwarf_signed_vma adv; + dwarf_vma uladv; unsigned int bytes_read; op_code = *data++; @@ -2422,8 +2593,10 @@ display_debug_lines_raw (struct dwarf_section *section, { uladv *= linfo.li_min_insn_length; state_machine_regs.address += uladv; - printf (_(" Special opcode %d: advance Address by %lu to 0x%lx"), - op_code, uladv, state_machine_regs.address); + printf (_(" Special opcode %d: " + "advance Address by %s to 0x%s"), + op_code, dwarf_vmatoa ("u", uladv), + dwarf_vmatoa ("x", state_machine_regs.address)); } else { @@ -2434,14 +2607,16 @@ display_debug_lines_raw (struct dwarf_section *section, state_machine_regs.op_index = (state_machine_regs.op_index + uladv) % linfo.li_max_ops_per_insn; - printf (_(" Special opcode %d: advance Address by %lu to 0x%lx[%d]"), - op_code, uladv, state_machine_regs.address, + printf (_(" Special opcode %d: " + "advance Address by %s to 0x%s[%d]"), + op_code, dwarf_vmatoa ("u", uladv), + dwarf_vmatoa ("x", state_machine_regs.address), state_machine_regs.op_index); } adv = (op_code % linfo.li_line_range) + linfo.li_line_base; state_machine_regs.line += adv; - printf (_(" and Line by %d to %d\n"), - adv, state_machine_regs.line); + printf (_(" and Line by %s to %d\n"), + dwarf_vmatoa ("d", adv), state_machine_regs.line); } else switch (op_code) { @@ -2460,8 +2635,9 @@ display_debug_lines_raw (struct dwarf_section *section, { uladv *= linfo.li_min_insn_length; state_machine_regs.address += uladv; - printf (_(" Advance PC by %lu to 0x%lx\n"), uladv, - state_machine_regs.address); + printf (_(" Advance PC by %s to 0x%s\n"), + dwarf_vmatoa ("u", uladv), + dwarf_vmatoa ("x", state_machine_regs.address)); } else { @@ -2472,39 +2648,42 @@ display_debug_lines_raw (struct dwarf_section *section, state_machine_regs.op_index = (state_machine_regs.op_index + uladv) % linfo.li_max_ops_per_insn; - printf (_(" Advance PC by %lu to 0x%lx[%d]\n"), uladv, - state_machine_regs.address, + printf (_(" Advance PC by %s to 0x%s[%d]\n"), + dwarf_vmatoa ("u", uladv), + dwarf_vmatoa ("x", state_machine_regs.address), state_machine_regs.op_index); } break; case DW_LNS_advance_line: - adv = read_leb128 (data, & bytes_read, 1); + adv = read_sleb128 (data, & bytes_read); data += bytes_read; state_machine_regs.line += adv; - printf (_(" Advance Line by %d to %d\n"), adv, - state_machine_regs.line); + printf (_(" Advance Line by %s to %d\n"), + dwarf_vmatoa ("d", adv), + state_machine_regs.line); break; case DW_LNS_set_file: adv = read_leb128 (data, & bytes_read, 0); data += bytes_read; - printf (_(" Set File Name to entry %d in the File Name Table\n"), - adv); + printf (_(" Set File Name to entry %s in the File Name Table\n"), + dwarf_vmatoa ("d", adv)); state_machine_regs.file = adv; break; case DW_LNS_set_column: uladv = read_leb128 (data, & bytes_read, 0); data += bytes_read; - printf (_(" Set column to %lu\n"), uladv); + printf (_(" Set column to %s\n"), + dwarf_vmatoa ("u", uladv)); state_machine_regs.column = uladv; break; case DW_LNS_negate_stmt: adv = state_machine_regs.is_stmt; adv = ! adv; - printf (_(" Set is_stmt to %d\n"), adv); + printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv)); state_machine_regs.is_stmt = adv; break; @@ -2519,8 +2698,9 @@ display_debug_lines_raw (struct dwarf_section *section, { uladv *= linfo.li_min_insn_length; state_machine_regs.address += uladv; - printf (_(" Advance PC by constant %lu to 0x%lx\n"), uladv, - state_machine_regs.address); + printf (_(" Advance PC by constant %s to 0x%s\n"), + dwarf_vmatoa ("u", uladv), + dwarf_vmatoa ("x", state_machine_regs.address)); } else { @@ -2531,8 +2711,9 @@ display_debug_lines_raw (struct dwarf_section *section, state_machine_regs.op_index = (state_machine_regs.op_index + uladv) % linfo.li_max_ops_per_insn; - printf (_(" Advance PC by constant %lu to 0x%lx[%d]\n"), - uladv, state_machine_regs.address, + printf (_(" Advance PC by constant %s to 0x%s[%d]\n"), + dwarf_vmatoa ("u", uladv), + dwarf_vmatoa ("x", state_machine_regs.address), state_machine_regs.op_index); } break; @@ -2542,8 +2723,9 @@ display_debug_lines_raw (struct dwarf_section *section, data += 2; state_machine_regs.address += uladv; state_machine_regs.op_index = 0; - printf (_(" Advance PC by fixed size amount %lu to 0x%lx\n"), - uladv, state_machine_regs.address); + printf (_(" Advance PC by fixed size amount %s to 0x%s\n"), + dwarf_vmatoa ("u", uladv), + dwarf_vmatoa ("x", state_machine_regs.address)); break; case DW_LNS_set_prologue_end: @@ -2557,7 +2739,7 @@ display_debug_lines_raw (struct dwarf_section *section, case DW_LNS_set_isa: uladv = read_leb128 (data, & bytes_read, 0); data += bytes_read; - printf (_(" Set ISA to %lu\n"), uladv); + printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv)); break; default: @@ -2565,7 +2747,8 @@ display_debug_lines_raw (struct dwarf_section *section, for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) { - printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0), + printf ("0x%s%s", dwarf_vmatoa ("x", read_leb128 (data, + &bytes_read, 0)), i == 1 ? "" : ", "); data += bytes_read; } @@ -2581,10 +2764,10 @@ display_debug_lines_raw (struct dwarf_section *section, typedef struct { - unsigned char *name; - unsigned int directory_index; - unsigned int modification_date; - unsigned int length; + unsigned char *name; + unsigned int directory_index; + unsigned int modification_date; + unsigned int length; } File_Entry; /* Output a decoded representation of the .debug_line section. */ @@ -2773,14 +2956,11 @@ display_debug_lines_decoded (struct dwarf_section *section, else { if (do_wide || strlen ((char *) directory_table[0]) < 76) - { - printf (_("CU: %s/%s:\n"), directory_table[0], - file_table[0].name); - } + printf (_("CU: %s/%s:\n"), directory_table[0], + file_table[0].name); else - { - printf (_("%s:\n"), file_table[0].name); - } + printf ("%s:\n", file_table[0].name); + printf (_("File name Line number Starting address\n")); } } @@ -2864,7 +3044,7 @@ display_debug_lines_decoded (struct dwarf_section *section, op_code_data += bytes_read; read_leb128 (op_code_data, & bytes_read, 0); - printf (_("%s:\n"), directory_table[dir_index]); + printf ("%s:\n", directory_table[dir_index]); break; } default: @@ -2898,7 +3078,7 @@ display_debug_lines_decoded (struct dwarf_section *section, break; case DW_LNS_advance_line: - adv = read_leb128 (data, & bytes_read, 1); + adv = read_sleb128 (data, & bytes_read); data += bytes_read; state_machine_regs.line += adv; break; @@ -2910,13 +3090,13 @@ display_debug_lines_decoded (struct dwarf_section *section, if (file_table[state_machine_regs.file - 1].directory_index == 0) { /* If directory index is 0, that means current directory. */ - printf (_("\n./%s:[++]\n"), + printf ("\n./%s:[++]\n", file_table[state_machine_regs.file - 1].name); } else { /* The directory index starts counting at 1. */ - printf (_("\n%s/%s:\n"), + printf ("\n%s/%s:\n", directory_table[file_table[state_machine_regs.file - 1].directory_index - 1], file_table[state_machine_regs.file - 1].name); } @@ -2981,7 +3161,8 @@ display_debug_lines_decoded (struct dwarf_section *section, for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) { - printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0), + printf ("0x%s%s", dwarf_vmatoa ("x", read_leb128 (data, + &bytes_read, 0)), i == 1 ? "" : ", "); data += bytes_read; } @@ -3016,24 +3197,24 @@ display_debug_lines_decoded (struct dwarf_section *section, if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH)) { if (linfo.li_max_ops_per_insn == 1) - printf (_("%-35s %11d %#18lx\n"), newFileName, - state_machine_regs.line, + printf ("%-35s %11d %#18" DWARF_VMA_FMT "x\n", + newFileName, state_machine_regs.line, state_machine_regs.address); else - printf (_("%-35s %11d %#18lx[%d]\n"), newFileName, - state_machine_regs.line, + printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]\n", + newFileName, state_machine_regs.line, state_machine_regs.address, state_machine_regs.op_index); } else { if (linfo.li_max_ops_per_insn == 1) - printf (_("%s %11d %#18lx\n"), newFileName, - state_machine_regs.line, + printf ("%s %11d %#18" DWARF_VMA_FMT "x\n", + newFileName, state_machine_regs.line, state_machine_regs.address); else - printf (_("%s %11d %#18lx[%d]\n"), newFileName, - state_machine_regs.line, + printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]\n", + newFileName, state_machine_regs.line, state_machine_regs.address, state_machine_regs.op_index); } @@ -3139,7 +3320,7 @@ display_debug_pubnames (struct dwarf_section *section, && num_debug_info_entries > 0 && find_debug_info_for_offset (names.pn_offset) == NULL) warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), - names.pn_offset, section->name); + (unsigned long) names.pn_offset, section->name); names.pn_size = byte_get (data, offset_size); data += offset_size; @@ -3160,13 +3341,13 @@ display_debug_pubnames (struct dwarf_section *section, } printf (_(" Length: %ld\n"), - names.pn_length); + (long) names.pn_length); printf (_(" Version: %d\n"), names.pn_version); printf (_(" Offset into .debug_info section: 0x%lx\n"), - names.pn_offset); + (unsigned long) names.pn_offset); printf (_(" Size of area in .debug_info section: %ld\n"), - names.pn_size); + (long) names.pn_size); printf (_("\n Offset\tName\n")); @@ -3289,13 +3470,13 @@ display_debug_abbrev (struct dwarf_section *section, { abbrev_attr *attr; - printf (_(" %ld %s [%s]\n"), + printf (" %ld %s [%s]\n", entry->entry, get_TAG_name (entry->tag), entry->children ? _("has children") : _("no children")); for (attr = entry->first_attr; attr; attr = attr->next) - printf (_(" %-18s %s\n"), + printf (" %-18s %s\n", get_AT_name (attr->attribute), get_FORM_name (attr->form)); } @@ -3307,6 +3488,19 @@ display_debug_abbrev (struct dwarf_section *section, return 1; } +/* Sort array of indexes in ascending order of loc_offsets[idx]. */ + +static dwarf_vma *loc_offsets; + +static int +loc_offsets_compar (const void *ap, const void *bp) +{ + dwarf_vma a = loc_offsets[*(const unsigned int *) ap]; + dwarf_vma b = loc_offsets[*(const unsigned int *) bp]; + + return (a > b) - (b > a); +} + static int display_debug_loc (struct dwarf_section *section, void *file) { @@ -3319,9 +3513,11 @@ display_debug_loc (struct dwarf_section *section, void *file) unsigned int first = 0; unsigned int i; unsigned int j; + unsigned int k; int seen_first_offset = 0; - int use_debug_info = 1; + int locs_sorted = 1; unsigned char *next; + unsigned int *array = NULL; bytes = section->size; section_end = start + bytes; @@ -3347,10 +3543,11 @@ display_debug_loc (struct dwarf_section *section, void *file) unsigned int num; num = debug_information [i].num_loc_offsets; - num_loc_list += num; + if (num > num_loc_list) + num_loc_list = num; /* Check if we can use `debug_information' directly. */ - if (use_debug_info && num != 0) + if (locs_sorted && num != 0) { if (!seen_first_offset) { @@ -3368,7 +3565,7 @@ display_debug_loc (struct dwarf_section *section, void *file) if (last_offset > debug_information [i].loc_offsets [j]) { - use_debug_info = 0; + locs_sorted = 0; break; } last_offset = debug_information [i].loc_offsets [j]; @@ -3376,19 +3573,18 @@ display_debug_loc (struct dwarf_section *section, void *file) } } - if (!use_debug_info) - /* FIXME: Should we handle this case? */ - error (_("Location lists in .debug_info section aren't in ascending order!\n")); - if (!seen_first_offset) error (_("No location lists in .debug_info section!\n")); /* DWARF sections under Mach-O have non-zero addresses. */ if (debug_information [first].num_loc_offsets > 0 && debug_information [first].loc_offsets [0] != section->address) - warn (_("Location lists in %s section start at 0x%lx\n"), - section->name, debug_information [first].loc_offsets [0]); + warn (_("Location lists in %s section start at 0x%s\n"), + section->name, + dwarf_vmatoa ("x", debug_information [first].loc_offsets [0])); + if (!locs_sorted) + array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int)); printf (_("Contents of the %s section:\n\n"), section->name); printf (_(" Offset Begin End Expression\n")); @@ -3400,6 +3596,8 @@ display_debug_loc (struct dwarf_section *section, void *file) unsigned short length; unsigned long offset; unsigned int pointer_size; + unsigned int offset_size; + int dwarf_version; unsigned long cu_offset; unsigned long base_address; int need_frame_base; @@ -3407,9 +3605,25 @@ display_debug_loc (struct dwarf_section *section, void *file) pointer_size = debug_information [i].pointer_size; cu_offset = debug_information [i].cu_offset; + offset_size = debug_information [i].offset_size; + dwarf_version = debug_information [i].dwarf_version; + if (!locs_sorted) + { + for (k = 0; k < debug_information [i].num_loc_offsets; k++) + array[k] = k; + loc_offsets = debug_information [i].loc_offsets; + qsort (array, debug_information [i].num_loc_offsets, + sizeof (*array), loc_offsets_compar); + } - for (j = 0; j < debug_information [i].num_loc_offsets; j++) + for (k = 0; k < debug_information [i].num_loc_offsets; k++) { + j = locs_sorted ? k : array[k]; + if (k + && debug_information [i].loc_offsets [locs_sorted + ? k - 1 : array [k - 1]] + == debug_information [i].loc_offsets [j]) + continue; has_frame_base = debug_information [i].have_frame_base [j]; /* DWARF sections under Mach-O have non-zero addresses. */ offset = debug_information [i].loc_offsets [j] - section->address; @@ -3498,6 +3712,8 @@ display_debug_loc (struct dwarf_section *section, void *file) putchar ('('); need_frame_base = decode_location_expression (start, pointer_size, + offset_size, + dwarf_version, length, cu_offset, section); putchar (')'); @@ -3521,6 +3737,7 @@ display_debug_loc (struct dwarf_section *section, void *file) warn (_("There are %ld unused bytes at the end of section %s\n"), (long) (section_end - start), section->name); putchar ('\n'); + free (array); return 1; } @@ -3653,7 +3870,7 @@ display_debug_aranges (struct dwarf_section *section, && num_debug_info_entries > 0 && find_debug_info_for_offset (arange.ar_info_offset) == NULL) warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), - arange.ar_info_offset, section->name); + (unsigned long) arange.ar_info_offset, section->name); arange.ar_pointer_size = byte_get (hdrptr, 1); hdrptr += 1; @@ -3667,9 +3884,11 @@ display_debug_aranges (struct dwarf_section *section, break; } - printf (_(" Length: %ld\n"), arange.ar_length); + printf (_(" Length: %ld\n"), + (long) arange.ar_length); printf (_(" Version: %d\n"), arange.ar_version); - printf (_(" Offset into .debug_info: 0x%lx\n"), arange.ar_info_offset); + printf (_(" Offset into .debug_info: 0x%lx\n"), + (unsigned long) arange.ar_info_offset); printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size); printf (_(" Segment Size: %d\n"), arange.ar_segment_size); @@ -3724,13 +3943,13 @@ display_debug_aranges (struct dwarf_section *section, sorting purposes. */ struct range_entry - { - /* The debug_information[x].range_lists[y] value. */ - unsigned long ranges_offset; +{ + /* The debug_information[x].range_lists[y] value. */ + unsigned long ranges_offset; - /* Original debug_information to find parameters of the data. */ - debug_info *debug_info_p; - }; + /* Original debug_information to find parameters of the data. */ + debug_info *debug_info_p; +}; /* Sort struct range_entry in ascending order of its RANGES_OFFSET. */ @@ -3961,6 +4180,13 @@ static const char *const dwarf_regnames_i386[] = "tr", "ldtr" }; +void +init_dwarf_regnames_i386 (void) +{ + dwarf_regnames = dwarf_regnames_i386; + dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386); +} + static const char *const dwarf_regnames_x86_64[] = { "rax", "rdx", "rcx", "rbx", @@ -3983,6 +4209,13 @@ static const char *const dwarf_regnames_x86_64[] = "mxcsr", "fcw", "fsw" }; +void +init_dwarf_regnames_x86_64 (void) +{ + dwarf_regnames = dwarf_regnames_x86_64; + dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64); +} + void init_dwarf_regnames (unsigned int e_machine) { @@ -3990,14 +4223,12 @@ init_dwarf_regnames (unsigned int e_machine) { case EM_386: case EM_486: - dwarf_regnames = dwarf_regnames_i386; - dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386); + init_dwarf_regnames_i386 (); break; case EM_X86_64: case EM_L1OM: - dwarf_regnames = dwarf_regnames_x86_64; - dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64); + init_dwarf_regnames_x86_64 (); break; default: @@ -4098,7 +4329,7 @@ frame_display_row (Frame_Chunk *fc, int *need_col_headers, int *max_regs) #define GET(N) byte_get (start, N); start += N #define LEB() read_leb128 (start, & length_return, 0); start += length_return -#define SLEB() read_leb128 (start, & length_return, 1); start += length_return +#define SLEB() read_sleb128 (start, & length_return); start += length_return static int display_debug_frames (struct dwarf_section *section, @@ -4334,9 +4565,7 @@ display_debug_frames (struct dwarf_section *section, segment_selector = byte_get (start, fc->segment_size); start += fc->segment_size; } - fc->pc_begin = get_encoded_value (start, fc->fde_encoding); - if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel) - fc->pc_begin += section->address + (start - section_start); + fc->pc_begin = get_encoded_value (start, fc->fde_encoding, section); start += encoded_ptr_size; fc->pc_range = byte_get (start, encoded_ptr_size); start += encoded_ptr_size; @@ -4554,9 +4783,7 @@ display_debug_frames (struct dwarf_section *section, break; case DW_CFA_set_loc: - vma = get_encoded_value (start, fc->fde_encoding); - if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel) - vma += section->address + (start - section_start); + vma = get_encoded_value (start, fc->fde_encoding, section); start += encoded_ptr_size; if (do_debug_frames_interp) frame_display_row (fc, &need_col_headers, &max_regs); @@ -4757,8 +4984,8 @@ display_debug_frames (struct dwarf_section *section, if (! do_debug_frames_interp) { printf (" DW_CFA_def_cfa_expression ("); - decode_location_expression (start, eh_addr_size, ul, 0, - section); + decode_location_expression (start, eh_addr_size, 0, -1, + ul, 0, section); printf (")\n"); } fc->cfa_exp = 1; @@ -4774,7 +5001,7 @@ display_debug_frames (struct dwarf_section *section, { printf (" DW_CFA_expression: %s%s (", reg_prefix, regname (reg, 0)); - decode_location_expression (start, eh_addr_size, + decode_location_expression (start, eh_addr_size, 0, -1, ul, 0, section); printf (")\n"); } @@ -4792,8 +5019,8 @@ display_debug_frames (struct dwarf_section *section, { printf (" DW_CFA_val_expression: %s%s (", reg_prefix, regname (reg, 0)); - decode_location_expression (start, eh_addr_size, ul, 0, - section); + decode_location_expression (start, eh_addr_size, 0, -1, + ul, 0, section); printf (")\n"); } if (*reg_prefix == '\0') @@ -4913,6 +5140,144 @@ display_debug_frames (struct dwarf_section *section, #undef LEB #undef SLEB +static int +display_gdb_index (struct dwarf_section *section, + void *file ATTRIBUTE_UNUSED) +{ + unsigned char *start = section->start; + uint32_t version; + uint32_t cu_list_offset, tu_list_offset; + uint32_t address_table_offset, symbol_table_offset, constant_pool_offset; + unsigned int cu_list_elements, tu_list_elements; + unsigned int address_table_size, symbol_table_slots; + unsigned char *cu_list, *tu_list; + unsigned char *address_table, *symbol_table, *constant_pool; + unsigned int i; + + /* The documentation for the format of this file is in gdb/dwarf2read.c. */ + + printf (_("Contents of the %s section:\n"), section->name); + + if (section->size < 6 * sizeof (uint32_t)) + { + warn (_("Truncated header in the %s section.\n"), section->name); + return 0; + } + + version = byte_get_little_endian (start, 4); + printf (_("Version %ld\n"), (long) version); + + /* Prior versions are obsolete, and future versions may not be + backwards compatible. */ + switch (version) + { + case 3: + warn (_("The address table data in version 3 may be wrong.\n")); + break; + case 4: + warn (_("Version 4 does not support case insensitive lookups.\n")); + break; + case 5: + break; + default: + warn (_("Unsupported version %lu.\n"), (unsigned long) version); + return 0; + } + + cu_list_offset = byte_get_little_endian (start + 4, 4); + tu_list_offset = byte_get_little_endian (start + 8, 4); + address_table_offset = byte_get_little_endian (start + 12, 4); + symbol_table_offset = byte_get_little_endian (start + 16, 4); + constant_pool_offset = byte_get_little_endian (start + 20, 4); + + if (cu_list_offset > section->size + || tu_list_offset > section->size + || address_table_offset > section->size + || symbol_table_offset > section->size + || constant_pool_offset > section->size) + { + warn (_("Corrupt header in the %s section.\n"), section->name); + return 0; + } + + cu_list_elements = (tu_list_offset - cu_list_offset) / 8; + tu_list_elements = (address_table_offset - tu_list_offset) / 8; + address_table_size = symbol_table_offset - address_table_offset; + symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8; + + cu_list = start + cu_list_offset; + tu_list = start + tu_list_offset; + address_table = start + address_table_offset; + symbol_table = start + symbol_table_offset; + constant_pool = start + constant_pool_offset; + + printf (_("\nCU table:\n")); + for (i = 0; i < cu_list_elements; i += 2) + { + uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8); + uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8); + + printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2, + (unsigned long) cu_offset, + (unsigned long) (cu_offset + cu_length - 1)); + } + + printf (_("\nTU table:\n")); + for (i = 0; i < tu_list_elements; i += 3) + { + uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8); + uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8); + uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8); + + printf (_("[%3u] 0x%lx 0x%lx "), i / 3, + (unsigned long) tu_offset, + (unsigned long) type_offset); + print_dwarf_vma (signature, 8); + printf ("\n"); + } + + printf (_("\nAddress table:\n")); + for (i = 0; i < address_table_size; i += 2 * 8 + 4) + { + uint64_t low = byte_get_little_endian (address_table + i, 8); + uint64_t high = byte_get_little_endian (address_table + i + 8, 8); + uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4); + + print_dwarf_vma (low, 8); + print_dwarf_vma (high, 8); + printf (_("%lu\n"), (unsigned long) cu_index); + } + + printf (_("\nSymbol table:\n")); + for (i = 0; i < symbol_table_slots; ++i) + { + uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4); + uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4); + uint32_t num_cus, cu; + + if (name_offset != 0 + || cu_vector_offset != 0) + { + unsigned int j; + + printf ("[%3u] %s:", i, constant_pool + name_offset); + num_cus = byte_get_little_endian (constant_pool + cu_vector_offset, 4); + for (j = 0; j < num_cus; ++j) + { + cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4); + /* Convert to TU number if it's for a type unit. */ + if (cu >= cu_list_elements) + printf (" T%lu", (unsigned long) (cu - cu_list_elements)); + else + printf (" %lu", (unsigned long) cu); + } + printf ("\n"); + } + } + + return 1; +} + static int display_debug_not_supported (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED) @@ -4953,28 +5318,6 @@ xcrealloc (void *ptr, size_t nmemb, size_t size) return xrealloc (ptr, nmemb * size); } -void -error (const char *message, ...) -{ - va_list args; - - va_start (args, message); - fprintf (stderr, _("%s: Error: "), program_name); - vfprintf (stderr, message, args); - va_end (args); -} - -void -warn (const char *message, ...) -{ - va_list args; - - va_start (args, message); - fprintf (stderr, _("%s: Warning: "), program_name); - vfprintf (stderr, message, args); - va_end (args); -} - void free_debug_memory (void) { @@ -5038,6 +5381,8 @@ dwarf_select_sections_by_names (const char *names) with earlier versions of readelf. */ { "ranges", & do_debug_aranges, 1 }, { "str", & do_debug_str, 1 }, + /* The special .gdb_index section. */ + { "gdb_index", & do_gdb_index, 1 }, /* These trace_* sections are used by Itanium VMS. */ { "trace_abbrev", & do_trace_abbrevs, 1 }, { "trace_aranges", & do_trace_aranges, 1 }, @@ -5046,21 +5391,21 @@ dwarf_select_sections_by_names (const char *names) }; const char *p; - + p = names; while (*p) { const debug_dump_long_opts * entry; - + for (entry = opts_table; entry->option; entry++) { size_t len = strlen (entry->option); - + if (strncmp (p, entry->option, len) == 0 && (p[len] == ',' || p[len] == '\0')) { * entry->variable |= entry->val; - + /* The --debug-dump=frames-interp option also enables the --debug-dump=frames option. */ if (do_debug_frames_interp) @@ -5070,7 +5415,7 @@ dwarf_select_sections_by_names (const char *names) break; } } - + if (entry->option == NULL) { warn (_("Unrecognized debug option '%s'\n"), p); @@ -5078,7 +5423,7 @@ dwarf_select_sections_by_names (const char *names) if (p == NULL) break; } - + if (*p == ',') p++; } @@ -5095,53 +5440,53 @@ dwarf_select_sections_by_letters (const char *letters) case 'i': do_debug_info = 1; break; - + case 'a': do_debug_abbrevs = 1; break; - + case 'l': do_debug_lines |= FLAG_DEBUG_LINES_RAW; break; - + case 'L': do_debug_lines |= FLAG_DEBUG_LINES_DECODED; break; - + case 'p': do_debug_pubnames = 1; break; - + case 't': do_debug_pubtypes = 1; break; - + case 'r': do_debug_aranges = 1; break; - + case 'R': do_debug_ranges = 1; break; - + case 'F': do_debug_frames_interp = 1; case 'f': do_debug_frames = 1; break; - + case 'm': do_debug_macinfo = 1; break; - + case 's': do_debug_str = 1; break; - + case 'o': do_debug_loc = 1; break; - + default: warn (_("Unrecognized debug option '%s'\n"), optarg); break; @@ -5162,6 +5507,7 @@ dwarf_select_sections_all (void) do_debug_macinfo = 1; do_debug_str = 1; do_debug_loc = 1; + do_gdb_index = 1; do_trace_info = 1; do_trace_abbrevs = 1; do_trace_aranges = 1; @@ -5201,6 +5547,8 @@ struct dwarf_section_display debug_displays[] = display_debug_types, &do_debug_info, 1 }, { { ".debug_weaknames", ".zdebug_weaknames", NULL, NULL, 0, 0 }, display_debug_not_supported, NULL, 0 }, + { { ".gdb_index", "", NULL, NULL, 0, 0 }, + display_gdb_index, &do_gdb_index, 0 }, { { ".trace_info", "", NULL, NULL, 0, 0 }, display_trace_info, &do_trace_info, 1 }, { { ".trace_abbrev", "", NULL, NULL, 0, 0 },