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Import Jakub Jelinek's patch to add support for displaying the contents of .debug_macro sections.

This commit is contained in:
Nick Clifton 2011-07-27 10:32:54 +01:00
parent 1ac3c72670
commit 5a38d502ff
2 changed files with 456 additions and 1 deletions
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450
binutils-2.21.53.0.1-debug_macro.patch Normal file
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@ -0,0 +1,450 @@
diff -cpr ../binutils-2.21.53.0.1.orig/bfd/dwarf2.c ./bfd/dwarf2.c
*** ../binutils-2.21.53.0.1.orig/bfd/dwarf2.c 2011-07-27 09:57:26.018568001 +0100
--- ./bfd/dwarf2.c 2011-07-27 10:00:21.176567999 +0100
*************** const struct dwarf_debug_section dwarf_d
*** 287,292 ****
--- 287,293 ----
{ ".debug_line", ".zdebug_line" },
{ ".debug_loc", ".zdebug_loc" },
{ ".debug_macinfo", ".zdebug_macinfo" },
+ { ".debug_macro", ".zdebug_macro" },
{ ".debug_pubnames", ".zdebug_pubnames" },
{ ".debug_pubtypes", ".zdebug_pubtypes" },
{ ".debug_ranges", ".zdebug_ranges" },
*************** enum dwarf_debug_section_enum
*** 314,319 ****
--- 315,321 ----
debug_line,
debug_loc,
debug_macinfo,
+ debug_macro,
debug_pubnames,
debug_pubtypes,
debug_ranges,
diff -cpr ../binutils-2.21.53.0.1.orig/binutils/dwarf.c ./binutils/dwarf.c
*** ../binutils-2.21.53.0.1.orig/binutils/dwarf.c 2011-07-27 09:57:55.204568001 +0100
--- ./binutils/dwarf.c 2011-07-27 10:00:17.247568001 +0100
*************** read_and_display_attr_value (unsigned lo
*** 1542,1548 ****
}
}
! if (do_loc)
return data;
/* For some attributes we can display further information. */
--- 1542,1548 ----
}
}
! if (do_loc || attribute == 0)
return data;
/* For some attributes we can display further information. */
*************** get_AT_name (unsigned long attribute)
*** 1960,1965 ****
--- 1960,1966 ----
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";
+ case DW_AT_GNU_macros: return "DW_AT_GNU_macros";
/* UPC extension. */
case DW_AT_upc_threads_scaled: return "DW_AT_upc_threads_scaled";
*************** display_debug_macinfo (struct dwarf_sect
*** 3450,3455 ****
--- 3451,3771 ----
return 1;
}
+ /* Given LINE_OFFSET into the .debug_line section, attempt to return
+ filename and dirname corresponding to file name table entry with index
+ FILEIDX. Return NULL on failure. */
+
+ static unsigned char *
+ get_line_filename_and_dirname (dwarf_vma line_offset, dwarf_vma fileidx,
+ unsigned char **dir_name)
+ {
+ struct dwarf_section *section = &debug_displays [line].section;
+ unsigned char *hdrptr, *dirtable, *file_name;
+ unsigned int offset_size, initial_length_size;
+ unsigned int version, opcode_base, bytes_read;
+ dwarf_vma length, diridx;
+
+ *dir_name = NULL;
+ if (section->start == NULL
+ || line_offset >= section->size
+ || fileidx == 0)
+ return NULL;
+
+ hdrptr = section->start + line_offset;
+ length = byte_get (hdrptr, 4);
+ hdrptr += 4;
+ if (length == 0xffffffff)
+ {
+ /* This section is 64-bit DWARF 3. */
+ length = byte_get (hdrptr, 8);
+ hdrptr += 8;
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+ if (length + initial_length_size > section->size)
+ return NULL;
+ version = byte_get (hdrptr, 2);
+ hdrptr += 2;
+ if (version != 2 && version != 3 && version != 4)
+ return NULL;
+ hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */
+ if (version >= 4)
+ hdrptr++; /* Skip max_ops_per_insn. */
+ hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */
+ opcode_base = byte_get (hdrptr, 1);
+ if (opcode_base == 0)
+ return NULL;
+ hdrptr++;
+ hdrptr += opcode_base - 1;
+ dirtable = hdrptr;
+ /* Skip over dirname table. */
+ while (*hdrptr != '\0')
+ hdrptr += strlen ((char *) hdrptr) + 1;
+ hdrptr++; /* Skip the NUL at the end of the table. */
+ /* Now skip over preceding filename table entries. */
+ for (; *hdrptr != '\0' && fileidx > 1; fileidx--)
+ {
+ hdrptr += strlen ((char *) hdrptr) + 1;
+ read_leb128 (hdrptr, &bytes_read, 0);
+ hdrptr += bytes_read;
+ read_leb128 (hdrptr, &bytes_read, 0);
+ hdrptr += bytes_read;
+ read_leb128 (hdrptr, &bytes_read, 0);
+ hdrptr += bytes_read;
+ }
+ if (*hdrptr == '\0')
+ return NULL;
+ file_name = hdrptr;
+ hdrptr += strlen ((char *) hdrptr) + 1;
+ diridx = read_leb128 (hdrptr, &bytes_read, 0);
+ if (diridx == 0)
+ return file_name;
+ for (; *dirtable != '\0' && diridx > 1; diridx--)
+ dirtable += strlen ((char *) dirtable) + 1;
+ if (*dirtable == '\0')
+ return NULL;
+ *dir_name = dirtable;
+ return file_name;
+ }
+
+ static int
+ display_debug_macro (struct dwarf_section *section,
+ void *file)
+ {
+ unsigned char *start = section->start;
+ unsigned char *end = start + section->size;
+ unsigned char *curr = start;
+ unsigned char *extended_op_buf[256];
+ unsigned int bytes_read;
+
+ load_debug_section (str, file);
+ load_debug_section (line, file);
+
+ printf (_("Contents of the %s section:\n\n"), section->name);
+
+ while (curr < end)
+ {
+ unsigned int lineno, version, flags;
+ unsigned int offset_size = 4;
+ const char *string;
+ dwarf_vma line_offset = 0, sec_offset = curr - start, offset;
+ unsigned char **extended_ops = NULL;
+
+ version = byte_get (curr, 2);
+ curr += 2;
+
+ if (version != 4)
+ {
+ error (_("Only GNU extension to DWARF 4 of %s is currently supported.\n"),
+ section->name);
+ return 0;
+ }
+
+ flags = byte_get (curr++, 1);
+ if (flags & 1)
+ offset_size = 8;
+ printf (_(" Offset: 0x%lx\n"),
+ (unsigned long) sec_offset);
+ printf (_(" Version: %d\n"), version);
+ printf (_(" Offset size: %d\n"), offset_size);
+ if (flags & 2)
+ {
+ line_offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ printf (_(" Offset into .debug_line: 0x%lx\n"),
+ (unsigned long) line_offset);
+ }
+ if (flags & 4)
+ {
+ unsigned int i, count = byte_get (curr++, 1), op;
+ dwarf_vma nargs, n;
+ memset (extended_op_buf, 0, sizeof (extended_op_buf));
+ extended_ops = extended_op_buf;
+ if (count)
+ {
+ printf (_(" Extension opcode arguments:\n"));
+ for (i = 0; i < count; i++)
+ {
+ op = byte_get (curr++, 1);
+ extended_ops[op] = curr;
+ nargs = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ if (nargs == 0)
+ printf (_(" DW_MACRO_GNU_%02x has no arguments\n"), op);
+ else
+ {
+ printf (_(" DW_MACRO_GNU_%02x arguments: "), op);
+ for (n = 0; n < nargs; n++)
+ {
+ unsigned int form = byte_get (curr++, 1);
+ printf ("%s%s", get_FORM_name (form),
+ n == nargs - 1 ? "\n" : ", ");
+ switch (form)
+ {
+ case DW_FORM_data1:
+ case DW_FORM_data2:
+ case DW_FORM_data4:
+ case DW_FORM_data8:
+ case DW_FORM_sdata:
+ case DW_FORM_udata:
+ case DW_FORM_block:
+ case DW_FORM_block1:
+ case DW_FORM_block2:
+ case DW_FORM_block4:
+ case DW_FORM_flag:
+ case DW_FORM_string:
+ case DW_FORM_strp:
+ case DW_FORM_sec_offset:
+ break;
+ default:
+ error (_("Invalid extension opcode form %s\n"),
+ get_FORM_name (form));
+ return 0;
+ }
+ }
+ }
+ }
+ }
+ }
+ printf ("\n");
+
+ while (1)
+ {
+ unsigned int op;
+
+ if (curr >= end)
+ {
+ error (_(".debug_macro section not zero terminated\n"));
+ return 0;
+ }
+
+ op = byte_get (curr++, 1);
+ if (op == 0)
+ break;
+
+ switch (op)
+ {
+ case DW_MACRO_GNU_start_file:
+ {
+ unsigned int filenum;
+ unsigned char *file_name = NULL, *dir_name = NULL;
+
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ filenum = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+
+ if ((flags & 2) == 0)
+ error (_("DW_MACRO_GNU_start_file used, but no .debug_line offset provided.\n"));
+ else
+ file_name
+ = get_line_filename_and_dirname (line_offset, filenum,
+ &dir_name);
+ if (file_name == NULL)
+ printf (_(" DW_MACRO_GNU_start_file - lineno: %d filenum: %d\n"),
+ lineno, filenum);
+ else
+ printf (_(" DW_MACRO_GNU_start_file - lineno: %d filenum: %d filename: %s%s%s\n"),
+ lineno, filenum,
+ dir_name != NULL ? (const char *) dir_name : "",
+ dir_name != NULL ? "/" : "", file_name);
+ }
+ break;
+
+ case DW_MACRO_GNU_end_file:
+ printf (_(" DW_MACRO_GNU_end_file\n"));
+ break;
+
+ case DW_MACRO_GNU_define:
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ string = (char *) curr;
+ curr += strlen (string) + 1;
+ printf (_(" DW_MACRO_GNU_define - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
+
+ case DW_MACRO_GNU_undef:
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ string = (char *) curr;
+ curr += strlen (string) + 1;
+ printf (_(" DW_MACRO_GNU_undef - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
+
+ case DW_MACRO_GNU_define_indirect:
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ string = fetch_indirect_string (offset);
+ printf (_(" DW_MACRO_GNU_define_indirect - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
+
+ case DW_MACRO_GNU_undef_indirect:
+ lineno = read_leb128 (curr, &bytes_read, 0);
+ curr += bytes_read;
+ offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ string = fetch_indirect_string (offset);
+ printf (_(" DW_MACRO_GNU_undef_indirect - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
+
+ case DW_MACRO_GNU_transparent_include:
+ offset = byte_get (curr, offset_size);
+ curr += offset_size;
+ printf (_(" DW_MACRO_GNU_transparent_include - offset : 0x%lx\n"),
+ (unsigned long) offset);
+ break;
+
+ default:
+ if (extended_ops == NULL || extended_ops[op] == NULL)
+ {
+ error (_(" Unknown macro opcode %02x seen\n"), op);
+ return 0;
+ }
+ else
+ {
+ /* Skip over unhandled opcodes. */
+ dwarf_vma nargs, n;
+ unsigned char *desc = extended_ops[op];
+ nargs = read_leb128 (desc, &bytes_read, 0);
+ desc += bytes_read;
+ if (nargs == 0)
+ {
+ printf (_(" DW_MACRO_GNU_%02x\n"), op);
+ break;
+ }
+ printf (_(" DW_MACRO_GNU_%02x -"), op);
+ for (n = 0; n < nargs; n++)
+ {
+ curr
+ = read_and_display_attr_value (0, byte_get (desc++, 1),
+ curr, 0, 0, offset_size,
+ version, NULL, 0, NULL);
+ if (n != nargs - 1)
+ printf (",");
+ }
+ printf ("\n");
+ }
+ break;
+ }
+ }
+
+ printf ("\n");
+ }
+
+ return 1;
+ }
+
static int
display_debug_abbrev (struct dwarf_section *section,
void *file ATTRIBUTE_UNUSED)
*************** struct dwarf_section_display debug_displ
*** 5536,5541 ****
--- 5852,5859 ----
display_debug_frames, &do_debug_frames, 1 },
{ { ".debug_macinfo", ".zdebug_macinfo", NULL, NULL, 0, 0 },
display_debug_macinfo, &do_debug_macinfo, 0 },
+ { { ".debug_macro", ".zdebug_macro", NULL, NULL, 0, 0 },
+ display_debug_macro, &do_debug_macinfo, 1 },
{ { ".debug_str", ".zdebug_str", NULL, NULL, 0, 0 },
display_debug_str, &do_debug_str, 0 },
{ { ".debug_loc", ".zdebug_loc", NULL, NULL, 0, 0 },
diff -cpr ../binutils-2.21.53.0.1.orig/binutils/dwarf.h ./binutils/dwarf.h
*** ../binutils-2.21.53.0.1.orig/binutils/dwarf.h 2011-07-27 09:57:54.835568000 +0100
--- ./binutils/dwarf.h 2011-07-27 10:00:27.506568001 +0100
*************** enum dwarf_section_display_enum
*** 143,148 ****
--- 143,149 ----
pubnames,
eh_frame,
macinfo,
+ macro,
str,
loc,
pubtypes,
diff -cpr ../binutils-2.21.53.0.1.orig/binutils/readelf.c ./binutils/readelf.c
*** ../binutils-2.21.53.0.1.orig/binutils/readelf.c 2011-07-27 09:57:55.019568001 +0100
--- ./binutils/readelf.c 2011-07-27 10:00:35.362568001 +0100
*************** process_section_headers (FILE * file)
*** 4614,4619 ****
--- 4614,4620 ----
|| (do_debug_ranges && streq (name, "ranges"))
|| (do_debug_frames && streq (name, "frame"))
|| (do_debug_macinfo && streq (name, "macinfo"))
+ || (do_debug_macinfo && streq (name, "macro"))
|| (do_debug_str && streq (name, "str"))
|| (do_debug_loc && streq (name, "loc"))
)
*** ../binutils-2.21.53.0.1.orig/include/dwarf2.h 2011-07-27 09:57:55.773568001 +0100
--- include/dwarf2.h 2011-07-27 10:20:37.147568000 +0100
*************** enum dwarf_attribute
*** 366,371 ****
--- 366,373 ----
DW_AT_GNU_all_tail_call_sites = 0x2116,
DW_AT_GNU_all_call_sites = 0x2117,
DW_AT_GNU_all_source_call_sites = 0x2118,
+ /* Section offset into .debug_macro section. */
+ DW_AT_GNU_macros = 0x2119,
/* VMS extensions. */
DW_AT_VMS_rtnbeg_pd_address = 0x2201,
/* GNAT extensions. */
*************** enum dwarf_macinfo_record_type
*** 880,885 ****
--- 882,901 ----
DW_MACINFO_vendor_ext = 255
};
+ /* Names and codes for new style macro information. */
+ enum dwarf_macro_record_type
+ {
+ DW_MACRO_GNU_define = 1,
+ DW_MACRO_GNU_undef = 2,
+ DW_MACRO_GNU_start_file = 3,
+ DW_MACRO_GNU_end_file = 4,
+ DW_MACRO_GNU_define_indirect = 5,
+ DW_MACRO_GNU_undef_indirect = 6,
+ DW_MACRO_GNU_transparent_include = 7,
+ DW_MACRO_GNU_lo_user = 0xe0,
+ DW_MACRO_GNU_hi_user = 0xff
+ };
+
/* @@@ For use with GNU frame unwind information. */
#define DW_EH_PE_absptr 0x00

7
binutils.spec
View File

@ -17,7 +17,7 @@
Summary: A GNU collection of binary utilities
Name: %{?cross}binutils%{?_with_debug:-debug}
Version: 2.21.53.0.1
Release: 1%{?dist}
Release: 2%{?dist}
License: GPLv3+
Group: Development/Tools
URL: http://sources.redhat.com/binutils
@ -31,6 +31,7 @@ Patch05: binutils-2.20.51.0.2-set-long-long.patch
Patch06: binutils-2.20.51.0.10-copy-osabi.patch
Patch07: binutils-2.20.51.0.10-sec-merge-emit.patch
Patch08: binutils-2.20.51.0.2-build-id.patch
Patch09: binutils-2.21.53.0.1-debug_macro.patch
%define gold_arches %ix86 x86_64
@ -129,6 +130,7 @@ using libelf instead of BFD.
%patch06 -p0 -b .copy-osabi~
%patch07 -p0 -b .sec-merge-emit~
%patch08 -p0 -b .build-id~
%patch09 -p0 -b .debug_macro~
# We cannot run autotools as there is an exact requirement of autoconf-2.59.
@ -418,6 +420,9 @@ exit 0
%endif # %{isnative}
%changelog
* Wed Jul 27 2011 Nick Clifton <nickc@redhat.com> - 2.21.53.0.1-2
- Import Jakub Jelinek's patch to add support for displaying the contents of .debug_macro sections.
* Tue Jul 19 2011 Nick Clifton <nickc@redhat.com> - 2.21.53.0.1-1
- Rebase on 2.21.53.0.1 tarball. Delete unneeded patches. (BZ 712668)