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authorCary Coutant <ccoutant@google.com>2012-07-24 21:06:58 +0000
committerCary Coutant <ccoutant@google.com>2012-07-24 21:06:58 +0000
commit9b8d1a36034b5bdf665b952f581d96a987faecdf (patch)
tree7d7c940776178575125abdf217cc7f201e1da032
parent882f447fddcf308f10b2398c84fbb95a4905c49e (diff)
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2012-07-24 Teresa Johnson <tejohnson@google.com>
bfd/ * bfd.c (bfd_find_nearest_line_discriminator): New macro. * coff-rs6000.c: Init _bfd_find_nearest_line_discriminator. * coff64-rs6000.c: Likewise. * dwarf2.c (struct line_info): Add discriminator field. (add_line_info): Fill in new discriminator field. (decode_line_info): Record discriminator information instead of ignoring it. (lookup_address_in_line_info_table): Return discriminator field if requested. (comp_unit_find_nearest_line): Add discriminator argument. (find_line): Likewise. (_bfd_dwarf2_find_nearest_line): Likewise. (_bfd_dwarf2_find_line): Likewise. * elf-bfd.h (_bfd_elf_find_nearest_line_discriminator): New. (_bfd_elf_find_line_discriminator): Likewise. (_bfd_generic_find_nearest_line_discriminator): Likewise. Defined. * elf.c (_bfd_elf_find_nearest_line): Change to a wrapper that invokes _bfd_elf_find_nearest_line_discriminator with correct arguments. (_bfd_elf_find_nearest_line_discriminator): New. (_bfd_elf_find_line): Change to a wrapper that invokes _bfd_elf_find_line_discriminator with correct arguments. (_bfd_elf_find_line_discriminator): New. * coffgen.c (coff_find_nearest_line_with_names): Handle new discriminator argument. * elf32-arm.c (elf32_arm_find_nearest_line): Likewise. * elf64-alpha.c (elf64_alpha_find_nearest_line): Likewise. * elfxx-mips.c (_bfd_mips_elf_find_nearest_line): Likewise. * mach-o.c (bfd_mach_o_find_nearest_line): Likewise. * libbfd-in.h (_bfd_dwarf2_find_nearest_line): Add discriminator argument. (_bfd_dwarf2_find_line): Likewise. (_bfd_generic_find_nearest_line_discriminator): New. * libbfd.c (_bfd_generic_find_nearest_line_discriminator): New. * bfd-in2.h: Regenerated. * libbfd.h: Likewise. * targets.c (BFD_JUMP_TABLE_SYMBOLS): Initialize _bfd_find_nearest_line_discriminator with _bfd_generic_find_nearest_line_discriminator. (bfd_target): Add _bfd_find_nearest_line_discriminator. binutils/ * addr2line.c (find_address_in_section): Invoke bfd_find_nearest_line_discriminator to get the discriminator. (find_offset_in_section): Likewise. (translate_addresses): Print discriminator if it is non-zero. * objdump.c (show_line): Invoke bfd_find_nearest_line_discriminator to get the discriminator, and keep track of prev_discriminator. Print discriminator if it is non-zero. (disassemble_data): Initialize prev_discriminator. (dump_reloc_set): Invoke bfd_find_nearest_line_discriminator to get the discriminator, and keep track of last_discriminator. Print discriminator if it is non-zero.
-rw-r--r--bfd/ChangeLog44
-rw-r--r--bfd/bfd-in2.h9
-rw-r--r--bfd/bfd.c5
-rw-r--r--bfd/coff-rs6000.c2
-rw-r--r--bfd/coff64-rs6000.c2
-rw-r--r--bfd/coffgen.c2
-rw-r--r--bfd/dwarf2.c39
-rw-r--r--bfd/elf-bfd.h7
-rw-r--r--bfd/elf.c32
-rw-r--r--bfd/elf32-arm.c2
-rw-r--r--bfd/elf64-alpha.c2
-rw-r--r--bfd/elfxx-mips.c2
-rw-r--r--bfd/libbfd-in.h9
-rw-r--r--bfd/libbfd.c13
-rw-r--r--bfd/libbfd.h9
-rw-r--r--bfd/mach-o.c2
-rw-r--r--bfd/targets.c4
-rw-r--r--binutils/ChangeLog15
-rw-r--r--binutils/addr2line.c18
-rw-r--r--binutils/objdump.c40
20 files changed, 224 insertions, 34 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 76665c3..b958889 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,47 @@
+2012-07-24 Teresa Johnson <tejohnson@google.com>
+
+ * bfd.c (bfd_find_nearest_line_discriminator): New macro.
+ * coff-rs6000.c: Init _bfd_find_nearest_line_discriminator.
+ * coff64-rs6000.c: Likewise.
+ * dwarf2.c (struct line_info): Add discriminator field.
+ (add_line_info): Fill in new discriminator field.
+ (decode_line_info): Record discriminator information instead
+ of ignoring it.
+ (lookup_address_in_line_info_table): Return discriminator field if
+ requested.
+ (comp_unit_find_nearest_line): Add discriminator argument.
+ (find_line): Likewise.
+ (_bfd_dwarf2_find_nearest_line): Likewise.
+ (_bfd_dwarf2_find_line): Likewise.
+ * elf-bfd.h (_bfd_elf_find_nearest_line_discriminator): New.
+ (_bfd_elf_find_line_discriminator): Likewise.
+ (_bfd_generic_find_nearest_line_discriminator): Likewise. Defined.
+ * elf.c (_bfd_elf_find_nearest_line): Change to a wrapper
+ that invokes _bfd_elf_find_nearest_line_discriminator with correct
+ arguments.
+ (_bfd_elf_find_nearest_line_discriminator): New.
+ (_bfd_elf_find_line): Change to a wrapper
+ that invokes _bfd_elf_find_line_discriminator with correct
+ arguments.
+ (_bfd_elf_find_line_discriminator): New.
+ * coffgen.c (coff_find_nearest_line_with_names): Handle
+ new discriminator argument.
+ * elf32-arm.c (elf32_arm_find_nearest_line): Likewise.
+ * elf64-alpha.c (elf64_alpha_find_nearest_line): Likewise.
+ * elfxx-mips.c (_bfd_mips_elf_find_nearest_line): Likewise.
+ * mach-o.c (bfd_mach_o_find_nearest_line): Likewise.
+ * libbfd-in.h (_bfd_dwarf2_find_nearest_line): Add discriminator
+ argument.
+ (_bfd_dwarf2_find_line): Likewise.
+ (_bfd_generic_find_nearest_line_discriminator): New.
+ * libbfd.c (_bfd_generic_find_nearest_line_discriminator): New.
+ * bfd-in2.h: Regenerated.
+ * libbfd.h: Likewise.
+ * targets.c (BFD_JUMP_TABLE_SYMBOLS): Initialize
+ _bfd_find_nearest_line_discriminator with
+ _bfd_generic_find_nearest_line_discriminator.
+ (bfd_target): Add _bfd_find_nearest_line_discriminator.
+
2012-07-24 Sean Keys <skeys@ipdatasys.com>
* elf32-m68hc1x.c (elf32_m68hc11_relocate_section): Added code
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 7a90a44..c7ce4cc 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -5810,6 +5810,11 @@ bfd_boolean bfd_set_private_flags (bfd *abfd, flagword flags);
BFD_SEND (abfd, _bfd_find_nearest_line, \
(abfd, sec, syms, off, file, func, line))
+#define bfd_find_nearest_line_discriminator(abfd, sec, syms, off, file, func, \
+ line, disc) \
+ BFD_SEND (abfd, _bfd_find_nearest_line_discriminator, \
+ (abfd, sec, syms, off, file, func, line, disc))
+
#define bfd_find_line(abfd, syms, sym, file, line) \
BFD_SEND (abfd, _bfd_find_line, \
(abfd, syms, sym, file, line))
@@ -6191,6 +6196,7 @@ typedef struct bfd_target
NAME##_bfd_is_target_special_symbol, \
NAME##_get_lineno, \
NAME##_find_nearest_line, \
+ _bfd_generic_find_nearest_line_discriminator, \
_bfd_generic_find_line, \
NAME##_find_inliner_info, \
NAME##_bfd_make_debug_symbol, \
@@ -6214,6 +6220,9 @@ typedef struct bfd_target
bfd_boolean (*_bfd_find_nearest_line)
(bfd *, struct bfd_section *, struct bfd_symbol **, bfd_vma,
const char **, const char **, unsigned int *);
+ bfd_boolean (*_bfd_find_nearest_line_discriminator)
+ (bfd *, struct bfd_section *, struct bfd_symbol **, bfd_vma,
+ const char **, const char **, unsigned int *, unsigned int *);
bfd_boolean (*_bfd_find_line)
(bfd *, struct bfd_symbol **, struct bfd_symbol *,
const char **, unsigned int *);
diff --git a/bfd/bfd.c b/bfd/bfd.c
index 640b420..eed1896 100644
--- a/bfd/bfd.c
+++ b/bfd/bfd.c
@@ -1424,6 +1424,11 @@ DESCRIPTION
. BFD_SEND (abfd, _bfd_find_nearest_line, \
. (abfd, sec, syms, off, file, func, line))
.
+.#define bfd_find_nearest_line_discriminator(abfd, sec, syms, off, file, func, \
+. line, disc) \
+. BFD_SEND (abfd, _bfd_find_nearest_line_discriminator, \
+. (abfd, sec, syms, off, file, func, line, disc))
+.
.#define bfd_find_line(abfd, syms, sym, file, line) \
. BFD_SEND (abfd, _bfd_find_line, \
. (abfd, syms, sym, file, line))
diff --git a/bfd/coff-rs6000.c b/bfd/coff-rs6000.c
index 2a968bf..9326b32 100644
--- a/bfd/coff-rs6000.c
+++ b/bfd/coff-rs6000.c
@@ -4118,6 +4118,7 @@ const bfd_target rs6000coff_vec =
coff_bfd_is_target_special_symbol,
coff_get_lineno,
xcoff_find_nearest_line,
+ _bfd_generic_find_nearest_line_discriminator,
_bfd_generic_find_line,
coff_find_inliner_info,
coff_bfd_make_debug_symbol,
@@ -4373,6 +4374,7 @@ const bfd_target pmac_xcoff_vec =
coff_bfd_is_target_special_symbol,
coff_get_lineno,
xcoff_find_nearest_line,
+ _bfd_generic_find_nearest_line_discriminator,
_bfd_generic_find_line,
coff_find_inliner_info,
coff_bfd_make_debug_symbol,
diff --git a/bfd/coff64-rs6000.c b/bfd/coff64-rs6000.c
index 031385d..0821b6f 100644
--- a/bfd/coff64-rs6000.c
+++ b/bfd/coff64-rs6000.c
@@ -2710,6 +2710,7 @@ const bfd_target rs6000coff64_vec =
coff_bfd_is_target_special_symbol,
coff_get_lineno,
coff_find_nearest_line,
+ _bfd_generic_find_nearest_line_discriminator,
_bfd_generic_find_line,
coff_find_inliner_info,
coff_bfd_make_debug_symbol,
@@ -2967,6 +2968,7 @@ const bfd_target aix5coff64_vec =
coff_bfd_is_target_special_symbol,
coff_get_lineno,
coff_find_nearest_line,
+ _bfd_generic_find_nearest_line_discriminator,
_bfd_generic_find_line,
coff_find_inliner_info,
coff_bfd_make_debug_symbol,
diff --git a/bfd/coffgen.c b/bfd/coffgen.c
index c0505c6..509119b 100644
--- a/bfd/coffgen.c
+++ b/bfd/coffgen.c
@@ -2153,7 +2153,7 @@ coff_find_nearest_line_with_names (bfd *abfd,
if (_bfd_dwarf2_find_nearest_line (abfd, debug_sections,
section, symbols, offset,
filename_ptr, functionname_ptr,
- line_ptr, 0,
+ line_ptr, NULL, 0,
&coff_data(abfd)->dwarf2_find_line_info))
return TRUE;
diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c
index d31b849..069d614 100644
--- a/bfd/dwarf2.c
+++ b/bfd/dwarf2.c
@@ -980,6 +980,7 @@ struct line_info
char *filename;
unsigned int line;
unsigned int column;
+ unsigned int discriminator;
unsigned char op_index;
unsigned char end_sequence; /* End of (sequential) code sequence. */
};
@@ -1080,6 +1081,7 @@ add_line_info (struct line_info_table *table,
char *filename,
unsigned int line,
unsigned int column,
+ unsigned int discriminator,
int end_sequence)
{
bfd_size_type amt = sizeof (struct line_info);
@@ -1095,6 +1097,7 @@ add_line_info (struct line_info_table *table,
info->op_index = op_index;
info->line = line;
info->column = column;
+ info->discriminator = discriminator;
info->end_sequence = end_sequence;
if (filename && filename[0])
@@ -1573,6 +1576,7 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash)
char * filename = table->num_files ? concat_filename (table, 1) : NULL;
unsigned int line = 1;
unsigned int column = 0;
+ unsigned int discriminator = 0;
int is_stmt = lh.default_is_stmt;
int end_sequence = 0;
/* eraxxon@alumni.rice.edu: Against the DWARF2 specs, some
@@ -1607,8 +1611,9 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash)
line += lh.line_base + (adj_opcode % lh.line_range);
/* Append row to matrix using current values. */
if (!add_line_info (table, address, op_index, filename,
- line, column, 0))
+ line, column, discriminator, 0))
goto line_fail;
+ discriminator = 0;
if (address < low_pc)
low_pc = address;
if (address > high_pc)
@@ -1626,9 +1631,10 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash)
{
case DW_LNE_end_sequence:
end_sequence = 1;
- if (!add_line_info (table, address, op_index, filename,
- line, column, end_sequence))
+ if (!add_line_info (table, address, op_index, filename, line,
+ column, discriminator, end_sequence))
goto line_fail;
+ discriminator = 0;
if (address < low_pc)
low_pc = address;
if (address > high_pc)
@@ -1668,7 +1674,8 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash)
table->num_files++;
break;
case DW_LNE_set_discriminator:
- (void) read_unsigned_leb128 (abfd, line_ptr, &bytes_read);
+ discriminator =
+ read_unsigned_leb128 (abfd, line_ptr, &bytes_read);
line_ptr += bytes_read;
break;
case DW_LNE_HP_source_file_correlation:
@@ -1686,8 +1693,9 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash)
break;
case DW_LNS_copy:
if (!add_line_info (table, address, op_index,
- filename, line, column, 0))
+ filename, line, column, discriminator, 0))
goto line_fail;
+ discriminator = 0;
if (address < low_pc)
low_pc = address;
if (address > high_pc)
@@ -1788,7 +1796,8 @@ static bfd_boolean
lookup_address_in_line_info_table (struct line_info_table *table,
bfd_vma addr,
const char **filename_ptr,
- unsigned int *linenumber_ptr)
+ unsigned int *linenumber_ptr,
+ unsigned int *discriminator_ptr)
{
struct line_sequence *seq = NULL;
struct line_info *each_line;
@@ -1823,6 +1832,8 @@ lookup_address_in_line_info_table (struct line_info_table *table,
{
*filename_ptr = each_line->filename;
*linenumber_ptr = each_line->line;
+ if (discriminator_ptr)
+ *discriminator_ptr = each_line->discriminator;
return TRUE;
}
}
@@ -2552,6 +2563,7 @@ comp_unit_find_nearest_line (struct comp_unit *unit,
const char **filename_ptr,
const char **functionname_ptr,
unsigned int *linenumber_ptr,
+ unsigned int *discriminator_ptr,
struct dwarf2_debug *stash)
{
bfd_boolean line_p;
@@ -2592,7 +2604,8 @@ comp_unit_find_nearest_line (struct comp_unit *unit,
stash->inliner_chain = function;
line_p = lookup_address_in_line_info_table (unit->line_table, addr,
filename_ptr,
- linenumber_ptr);
+ linenumber_ptr,
+ discriminator_ptr);
return line_p || func_p;
}
@@ -3308,6 +3321,7 @@ find_line (bfd *abfd,
const char **filename_ptr,
const char **functionname_ptr,
unsigned int *linenumber_ptr,
+ unsigned int *discriminator_ptr,
unsigned int addr_size,
void **pinfo)
{
@@ -3419,6 +3433,7 @@ find_line (bfd *abfd,
filename_ptr,
functionname_ptr,
linenumber_ptr,
+ discriminator_ptr,
stash));
if (found)
goto done;
@@ -3512,6 +3527,7 @@ find_line (bfd *abfd,
filename_ptr,
functionname_ptr,
linenumber_ptr,
+ discriminator_ptr,
stash));
if ((bfd_vma) (stash->info_ptr - stash->sec_info_ptr)
@@ -3546,12 +3562,13 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd,
const char **filename_ptr,
const char **functionname_ptr,
unsigned int *linenumber_ptr,
+ unsigned int *discriminator_ptr,
unsigned int addr_size,
void **pinfo)
{
return find_line (abfd, debug_sections, section, offset, NULL, symbols,
- filename_ptr, functionname_ptr, linenumber_ptr, addr_size,
- pinfo);
+ filename_ptr, functionname_ptr, linenumber_ptr,
+ discriminator_ptr, addr_size, pinfo);
}
/* The DWARF2 version of find_line.
@@ -3563,11 +3580,13 @@ _bfd_dwarf2_find_line (bfd *abfd,
asymbol *symbol,
const char **filename_ptr,
unsigned int *linenumber_ptr,
+ unsigned int *discriminator_ptr,
unsigned int addr_size,
void **pinfo)
{
return find_line (abfd, dwarf_debug_sections, NULL, 0, symbol, symbols,
- filename_ptr, NULL, linenumber_ptr, addr_size, pinfo);
+ filename_ptr, NULL, linenumber_ptr, discriminator_ptr,
+ addr_size, pinfo);
}
bfd_boolean
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 889ce12..ff0e615 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -1876,9 +1876,16 @@ extern bfd_boolean _bfd_elf_set_arch_mach
extern bfd_boolean _bfd_elf_find_nearest_line
(bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
unsigned int *);
+extern bfd_boolean _bfd_elf_find_nearest_line_discriminator
+ (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
+ unsigned int *, unsigned int *);
extern bfd_boolean _bfd_elf_find_line
(bfd *, asymbol **, asymbol *, const char **, unsigned int *);
+extern bfd_boolean _bfd_elf_find_line_discriminator
+ (bfd *, asymbol **, asymbol *, const char **, unsigned int *, unsigned int *);
#define _bfd_generic_find_line _bfd_elf_find_line
+#define _bfd_generic_find_nearest_line_discriminator \
+ _bfd_elf_find_nearest_line_discriminator
extern bfd_boolean _bfd_elf_find_inliner_info
(bfd *, const char **, const char **, unsigned int *);
#define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols
diff --git a/bfd/elf.c b/bfd/elf.c
index 48e5d68..0ac4032 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -7567,6 +7567,23 @@ _bfd_elf_find_nearest_line (bfd *abfd,
const char **functionname_ptr,
unsigned int *line_ptr)
{
+ return _bfd_elf_find_nearest_line_discriminator (abfd, section, symbols,
+ offset, filename_ptr,
+ functionname_ptr,
+ line_ptr,
+ NULL);
+}
+
+bfd_boolean
+_bfd_elf_find_nearest_line_discriminator (bfd *abfd,
+ asection *section,
+ asymbol **symbols,
+ bfd_vma offset,
+ const char **filename_ptr,
+ const char **functionname_ptr,
+ unsigned int *line_ptr,
+ unsigned int *discriminator_ptr)
+{
bfd_boolean found;
if (_bfd_dwarf1_find_nearest_line (abfd, section, symbols, offset,
@@ -7584,7 +7601,7 @@ _bfd_elf_find_nearest_line (bfd *abfd,
if (_bfd_dwarf2_find_nearest_line (abfd, dwarf_debug_sections,
section, symbols, offset,
filename_ptr, functionname_ptr,
- line_ptr, 0,
+ line_ptr, discriminator_ptr, 0,
&elf_tdata (abfd)->dwarf2_find_line_info))
{
if (!*functionname_ptr)
@@ -7620,8 +7637,19 @@ bfd_boolean
_bfd_elf_find_line (bfd *abfd, asymbol **symbols, asymbol *symbol,
const char **filename_ptr, unsigned int *line_ptr)
{
+ return _bfd_elf_find_line_discriminator (abfd, symbols, symbol,
+ filename_ptr, line_ptr,
+ NULL);
+}
+
+bfd_boolean
+_bfd_elf_find_line_discriminator (bfd *abfd, asymbol **symbols, asymbol *symbol,
+ const char **filename_ptr,
+ unsigned int *line_ptr,
+ unsigned int *discriminator_ptr)
+{
return _bfd_dwarf2_find_line (abfd, symbols, symbol,
- filename_ptr, line_ptr, 0,
+ filename_ptr, line_ptr, discriminator_ptr, 0,
&elf_tdata (abfd)->dwarf2_find_line_info);
}
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index bc1f195..1bbd96c 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -12886,7 +12886,7 @@ elf32_arm_find_nearest_line (bfd * abfd,
if (_bfd_dwarf2_find_nearest_line (abfd, dwarf_debug_sections,
section, symbols, offset,
filename_ptr, functionname_ptr,
- line_ptr, 0,
+ line_ptr, NULL, 0,
& elf_tdata (abfd)->dwarf2_find_line_info))
{
if (!*functionname_ptr)
diff --git a/bfd/elf64-alpha.c b/bfd/elf64-alpha.c
index 40e4bfb..deb03c1 100644
--- a/bfd/elf64-alpha.c
+++ b/bfd/elf64-alpha.c
@@ -1452,7 +1452,7 @@ elf64_alpha_find_nearest_line (bfd *abfd, asection *section, asymbol **symbols,
if (_bfd_dwarf2_find_nearest_line (abfd, dwarf_debug_sections,
section, symbols, offset,
filename_ptr, functionname_ptr,
- line_ptr, 0,
+ line_ptr, NULL, 0,
&elf_tdata (abfd)->dwarf2_find_line_info))
return TRUE;
diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c
index 9478f16..9fef8ef 100644
--- a/bfd/elfxx-mips.c
+++ b/bfd/elfxx-mips.c
@@ -11709,7 +11709,7 @@ _bfd_mips_elf_find_nearest_line (bfd *abfd, asection *section,
if (_bfd_dwarf2_find_nearest_line (abfd, dwarf_debug_sections,
section, symbols, offset,
filename_ptr, functionname_ptr,
- line_ptr, ABI_64_P (abfd) ? 8 : 0,
+ line_ptr, NULL, ABI_64_P (abfd) ? 8 : 0,
&elf_tdata (abfd)->dwarf2_find_line_info))
return TRUE;
diff --git a/bfd/libbfd-in.h b/bfd/libbfd-in.h
index baffaea..c424fe2 100644
--- a/bfd/libbfd-in.h
+++ b/bfd/libbfd-in.h
@@ -540,16 +540,21 @@ extern const struct dwarf_debug_section dwarf_debug_sections[];
/* Find the nearest line using DWARF 2 debugging information. */
extern bfd_boolean _bfd_dwarf2_find_nearest_line
(bfd *, const struct dwarf_debug_section *, asection *, asymbol **, bfd_vma,
- const char **, const char **, unsigned int *, unsigned int, void **);
+ const char **, const char **, unsigned int *, unsigned int *, unsigned int,
+ void **);
/* Find the line using DWARF 2 debugging information. */
extern bfd_boolean _bfd_dwarf2_find_line
(bfd *, asymbol **, asymbol *, const char **,
- unsigned int *, unsigned int, void **);
+ unsigned int *, unsigned int *, unsigned int, void **);
bfd_boolean _bfd_generic_find_line
(bfd *, asymbol **, asymbol *, const char **, unsigned int *);
+bfd_boolean _bfd_generic_find_nearest_line_discriminator
+ (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
+ unsigned int *, unsigned int *);
+
/* Find inliner info after calling bfd_find_nearest_line. */
extern bfd_boolean _bfd_dwarf2_find_inliner_info
(bfd *, const char **, const char **, unsigned int *, void **);
diff --git a/bfd/libbfd.c b/bfd/libbfd.c
index 44651cf..553c729 100644
--- a/bfd/libbfd.c
+++ b/bfd/libbfd.c
@@ -1118,6 +1118,19 @@ _bfd_generic_find_line (bfd *abfd ATTRIBUTE_UNUSED,
}
bfd_boolean
+_bfd_generic_find_nearest_line_discriminator (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *section ATTRIBUTE_UNUSED,
+ asymbol **symbols ATTRIBUTE_UNUSED,
+ bfd_vma offset ATTRIBUTE_UNUSED,
+ const char **filename_ptr ATTRIBUTE_UNUSED,
+ const char **functionname_ptr ATTRIBUTE_UNUSED,
+ unsigned int *line_ptr ATTRIBUTE_UNUSED,
+ unsigned int *discriminator_ptr ATTRIBUTE_UNUSED)
+{
+ return FALSE;
+}
+
+bfd_boolean
_bfd_generic_init_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
asection *isec ATTRIBUTE_UNUSED,
bfd *obfd ATTRIBUTE_UNUSED,
diff --git a/bfd/libbfd.h b/bfd/libbfd.h
index 1d95fd8..e74ce34 100644
--- a/bfd/libbfd.h
+++ b/bfd/libbfd.h
@@ -545,16 +545,21 @@ extern const struct dwarf_debug_section dwarf_debug_sections[];
/* Find the nearest line using DWARF 2 debugging information. */
extern bfd_boolean _bfd_dwarf2_find_nearest_line
(bfd *, const struct dwarf_debug_section *, asection *, asymbol **, bfd_vma,
- const char **, const char **, unsigned int *, unsigned int, void **);
+ const char **, const char **, unsigned int *, unsigned int *, unsigned int,
+ void **);
/* Find the line using DWARF 2 debugging information. */
extern bfd_boolean _bfd_dwarf2_find_line
(bfd *, asymbol **, asymbol *, const char **,
- unsigned int *, unsigned int, void **);
+ unsigned int *, unsigned int *, unsigned int, void **);
bfd_boolean _bfd_generic_find_line
(bfd *, asymbol **, asymbol *, const char **, unsigned int *);
+bfd_boolean _bfd_generic_find_nearest_line_discriminator
+ (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
+ unsigned int *, unsigned int *);
+
/* Find inliner info after calling bfd_find_nearest_line. */
extern bfd_boolean _bfd_dwarf2_find_inliner_info
(bfd *, const char **, const char **, unsigned int *, void **);
diff --git a/bfd/mach-o.c b/bfd/mach-o.c
index 1f9fc17..84d5a72 100644
--- a/bfd/mach-o.c
+++ b/bfd/mach-o.c
@@ -4836,7 +4836,7 @@ bfd_mach_o_find_nearest_line (bfd *abfd,
if (_bfd_dwarf2_find_nearest_line (abfd, dwarf_debug_sections,
section, symbols, offset,
filename_ptr, functionname_ptr,
- line_ptr, 0,
+ line_ptr, NULL, 0,
&mdata->dwarf2_find_line_info))
return TRUE;
return FALSE;
diff --git a/bfd/targets.c b/bfd/targets.c
index cfa91a8..ce1cf35 100644
--- a/bfd/targets.c
+++ b/bfd/targets.c
@@ -369,6 +369,7 @@ BFD_JUMP_TABLE macros.
. NAME##_bfd_is_target_special_symbol, \
. NAME##_get_lineno, \
. NAME##_find_nearest_line, \
+. _bfd_generic_find_nearest_line_discriminator, \
. _bfd_generic_find_line, \
. NAME##_find_inliner_info, \
. NAME##_bfd_make_debug_symbol, \
@@ -392,6 +393,9 @@ BFD_JUMP_TABLE macros.
. bfd_boolean (*_bfd_find_nearest_line)
. (bfd *, struct bfd_section *, struct bfd_symbol **, bfd_vma,
. const char **, const char **, unsigned int *);
+. bfd_boolean (*_bfd_find_nearest_line_discriminator)
+. (bfd *, struct bfd_section *, struct bfd_symbol **, bfd_vma,
+. const char **, const char **, unsigned int *, unsigned int *);
. bfd_boolean (*_bfd_find_line)
. (bfd *, struct bfd_symbol **, struct bfd_symbol *,
. const char **, unsigned int *);
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 3068937..0edd519 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,18 @@
+2012-07-24 Teresa Johnson <tejohnson@google.com>
+
+ * addr2line.c (find_address_in_section): Invoke
+ bfd_find_nearest_line_discriminator to get the discriminator.
+ (find_offset_in_section): Likewise.
+ (translate_addresses): Print discriminator if it is non-zero.
+ * objdump.c (show_line): Invoke
+ bfd_find_nearest_line_discriminator to get the discriminator,
+ and keep track of prev_discriminator. Print discriminator
+ if it is non-zero.
+ (disassemble_data): Initialize prev_discriminator.
+ (dump_reloc_set): Invoke bfd_find_nearest_line_discriminator
+ to get the discriminator, and keep track of last_discriminator.
+ Print discriminator if it is non-zero.
+
2012-07-17 Nick Clifton <nickc@redhat.com>
* elfcomm.c (setup_archive): Extract index table and symbol table
diff --git a/binutils/addr2line.c b/binutils/addr2line.c
index 663da45..5febaea 100644
--- a/binutils/addr2line.c
+++ b/binutils/addr2line.c
@@ -139,6 +139,7 @@ static bfd_vma pc;
static const char *filename;
static const char *functionname;
static unsigned int line;
+static unsigned int discriminator;
static bfd_boolean found;
/* Look for an address in a section. This is called via
@@ -165,8 +166,9 @@ find_address_in_section (bfd *abfd, asection *section,
if (pc >= vma + size)
return;
- found = bfd_find_nearest_line (abfd, section, syms, pc - vma,
- &filename, &functionname, &line);
+ found = bfd_find_nearest_line_discriminator (abfd, section, syms, pc - vma,
+ &filename, &functionname,
+ &line, &discriminator);
}
/* Look for an offset in a section. This is directly called. */
@@ -186,8 +188,9 @@ find_offset_in_section (bfd *abfd, asection *section)
if (pc >= size)
return;
- found = bfd_find_nearest_line (abfd, section, syms, pc,
- &filename, &functionname, &line);
+ found = bfd_find_nearest_line_discriminator (abfd, section, syms, pc,
+ &filename, &functionname,
+ &line, &discriminator);
}
/* Read hexadecimal addresses from stdin, translate into
@@ -294,7 +297,12 @@ translate_addresses (bfd *abfd, asection *section)
printf ("%s:", filename ? filename : "??");
if (line != 0)
- printf ("%u\n", line);
+ {
+ if (discriminator != 0)
+ printf ("%u (discriminator %u)\n", line, discriminator);
+ else
+ printf ("%u\n", line);
+ }
else
printf ("?\n");
if (!unwind_inlines)
diff --git a/binutils/objdump.c b/binutils/objdump.c
index b22bf8b..49a2457 100644
--- a/binutils/objdump.c
+++ b/binutils/objdump.c
@@ -1086,6 +1086,7 @@ objdump_symbol_at_address (bfd_vma vma, struct disassemble_info * inf)
static char *prev_functionname;
static unsigned int prev_line;
+static unsigned int prev_discriminator;
/* We keep a list of all files that we have seen when doing a
disassembly with source, so that we know how much of the file to
@@ -1312,13 +1313,15 @@ show_line (bfd *abfd, asection *section, bfd_vma addr_offset)
const char *filename;
const char *functionname;
unsigned int linenumber;
+ unsigned int discriminator;
bfd_boolean reloc;
if (! with_line_numbers && ! with_source_code)
return;
- if (! bfd_find_nearest_line (abfd, section, syms, addr_offset, &filename,
- &functionname, &linenumber))
+ if (! bfd_find_nearest_line_discriminator (abfd, section, syms, addr_offset,
+ &filename, &functionname,
+ &linenumber, &discriminator))
return;
if (filename != NULL && *filename == '\0')
@@ -1370,8 +1373,15 @@ show_line (bfd *abfd, asection *section, bfd_vma addr_offset)
&& (prev_functionname == NULL
|| strcmp (functionname, prev_functionname) != 0))
printf ("%s():\n", functionname);
- if (linenumber > 0 && linenumber != prev_line)
- printf ("%s:%u\n", filename == NULL ? "???" : filename, linenumber);
+ if (linenumber > 0 && (linenumber != prev_line ||
+ (discriminator != prev_discriminator)))
+ {
+ if (discriminator > 0)
+ printf ("%s:%u (discriminator %u)\n", filename == NULL ? "???" : filename,
+ linenumber, discriminator);
+ else
+ printf ("%s:%u\n", filename == NULL ? "???" : filename, linenumber);
+ }
}
if (with_source_code
@@ -1423,6 +1433,9 @@ show_line (bfd *abfd, asection *section, bfd_vma addr_offset)
if (linenumber > 0 && linenumber != prev_line)
prev_line = linenumber;
+
+ if (discriminator != prev_discriminator)
+ prev_discriminator = discriminator;
}
/* Pseudo FILE object for strings. */
@@ -2115,6 +2128,7 @@ disassemble_data (bfd *abfd)
print_files = NULL;
prev_functionname = NULL;
prev_line = -1;
+ prev_discriminator = 0;
/* We make a copy of syms to sort. We don't want to sort syms
because that will screw up the relocs. */
@@ -2895,6 +2909,7 @@ dump_reloc_set (bfd *abfd, asection *sec, arelent **relpp, long relcount)
arelent **p;
char *last_filename, *last_functionname;
unsigned int last_line;
+ unsigned int last_discriminator;
/* Get column headers lined up reasonably. */
{
@@ -2913,12 +2928,14 @@ dump_reloc_set (bfd *abfd, asection *sec, arelent **relpp, long relcount)
last_filename = NULL;
last_functionname = NULL;
last_line = 0;
+ last_discriminator = 0;
for (p = relpp; relcount && *p != NULL; p++, relcount--)
{
arelent *q = *p;
const char *filename, *functionname;
unsigned int linenumber;
+ unsigned int discriminator;
const char *sym_name;
const char *section_name;
bfd_vma addend2 = 0;
@@ -2932,8 +2949,9 @@ dump_reloc_set (bfd *abfd, asection *sec, arelent **relpp, long relcount)
if (with_line_numbers
&& sec != NULL
- && bfd_find_nearest_line (abfd, sec, syms, q->address,
- &filename, &functionname, &linenumber))
+ && bfd_find_nearest_line_discriminator (abfd, sec, syms, q->address,
+ &filename, &functionname,
+ &linenumber, &discriminator))
{
if (functionname != NULL
&& (last_functionname == NULL
@@ -2949,10 +2967,16 @@ dump_reloc_set (bfd *abfd, asection *sec, arelent **relpp, long relcount)
&& (linenumber != last_line
|| (filename != NULL
&& last_filename != NULL
- && filename_cmp (filename, last_filename) != 0)))
+ && filename_cmp (filename, last_filename) != 0)
+ || (discriminator != last_discriminator)))
{
- printf ("%s:%u\n", filename == NULL ? "???" : filename, linenumber);
+ if (discriminator > 0)
+ printf ("%s:%u\n", filename == NULL ? "???" : filename, linenumber);
+ else
+ printf ("%s:%u (discriminator %u)\n", filename == NULL ? "???" : filename,
+ linenumber, discriminator);
last_line = linenumber;
+ last_discriminator = discriminator;
if (last_filename != NULL)
free (last_filename);
if (filename == NULL)