aboutsummaryrefslogtreecommitdiff
path: root/binutils
diff options
context:
space:
mode:
Diffstat (limited to 'binutils')
-rw-r--r--binutils/ChangeLog13
-rw-r--r--binutils/objdump.c110
2 files changed, 70 insertions, 53 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 0db5c0f..f6eeb84 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,16 @@
+2003-11-14 Nick Clifton <nickc@redhat.com>
+
+ * objdump.c (find_symbol_for_address): Change parameters so
+ that the entire disassemble_info structure is passed, not just
+ a few fields. Use the symbol_is_valid field to check the
+ validity of located symbols and continue searching if they are
+ not valid.
+ (objdump_print_addr): Alter parameters passed to
+ find_symbol_for_address.
+ (objdump_symbol_at_address): Likewise.
+ (disassemble_address): Likewise. Also use symbol_is_valid
+ function to check the validity of located symbols.
+
2003-11-13 Tobias Burnus <tobias.burnus@physik.fu-berlin.de>
* ar.c (open_inarch): Emit a warning when an archive is created
diff --git a/binutils/objdump.c b/binutils/objdump.c
index 723a28c..dee8490 100644
--- a/binutils/objdump.c
+++ b/binutils/objdump.c
@@ -643,14 +643,14 @@ objdump_print_symname (bfd *abfd, struct disassemble_info *info,
free (alloc);
}
-/* Locate a symbol given a bfd, a section, and a VMA. If REQUIRE_SEC
- is TRUE, then always require the symbol to be in the section. This
- returns NULL if there is no suitable symbol. If PLACE is not NULL,
- then *PLACE is set to the index of the symbol in sorted_syms. */
+/* Locate a symbol given a bfd and a section (from INFO->application_data),
+ and a VMA. If INFO->application_data->require_sec is TRUE, then always
+ require the symbol to be in the section. Returns NULL if there is no
+ suitable symbol. If PLACE is not NULL, then *PLACE is set to the index
+ of the symbol in sorted_syms. */
static asymbol *
-find_symbol_for_address (bfd *abfd, asection *sec, bfd_vma vma,
- bfd_boolean require_sec, long *place)
+find_symbol_for_address (bfd_vma vma, struct disassemble_info *info, long *place)
{
/* @@ Would it speed things up to cache the last two symbols returned,
and maybe their address ranges? For many processors, only one memory
@@ -661,6 +661,9 @@ find_symbol_for_address (bfd *abfd, asection *sec, bfd_vma vma,
long min = 0;
long max = sorted_symcount;
long thisplace;
+ struct objdump_disasm_info * aux = (struct objdump_disasm_info *) info->application_data;
+ bfd * abfd = aux->abfd;
+ asection * sec = aux->sec;
unsigned int opb = bfd_octets_per_byte (abfd);
if (sorted_symcount < 1)
@@ -704,7 +707,7 @@ find_symbol_for_address (bfd *abfd, asection *sec, bfd_vma vma,
no way to tell what's desired without looking at the relocation
table. */
if (sorted_syms[thisplace]->section != sec
- && (require_sec
+ && (aux->require_sec
|| ((abfd->flags & HAS_RELOC) != 0
&& vma >= bfd_get_section_vma (abfd, sec)
&& vma < (bfd_get_section_vma (abfd, sec)
@@ -749,15 +752,22 @@ find_symbol_for_address (bfd *abfd, asection *sec, bfd_vma vma,
}
if (sorted_syms[thisplace]->section != sec
- && (require_sec
+ && (aux->require_sec
|| ((abfd->flags & HAS_RELOC) != 0
&& vma >= bfd_get_section_vma (abfd, sec)
&& vma < (bfd_get_section_vma (abfd, sec)
+ bfd_section_size (abfd, sec)))))
- {
- /* There is no suitable symbol. */
- return NULL;
- }
+ /* There is no suitable symbol. */
+ return NULL;
+ }
+
+ /* Give the target a chance to reject the symbol. */
+ while (! info->symbol_is_valid (sorted_syms [thisplace], info))
+ {
+ ++ thisplace;
+ if (thisplace >= sorted_symcount
+ || bfd_asymbol_value (sorted_syms [thisplace]) > vma)
+ return NULL;
}
if (place != NULL)
@@ -819,7 +829,7 @@ static void
objdump_print_addr (bfd_vma vma, struct disassemble_info *info,
bfd_boolean skip_zeroes)
{
- struct objdump_disasm_info *aux;
+ struct objdump_disasm_info * aux = (struct objdump_disasm_info *) info->application_data;
asymbol *sym;
if (sorted_symcount < 1)
@@ -829,9 +839,7 @@ objdump_print_addr (bfd_vma vma, struct disassemble_info *info,
return;
}
- aux = (struct objdump_disasm_info *) info->application_data;
- sym = find_symbol_for_address (aux->abfd, aux->sec, vma, aux->require_sec,
- NULL);
+ sym = find_symbol_for_address (vma, info, NULL);
objdump_print_addr_with_sym (aux->abfd, aux->sec, sym, vma, info,
skip_zeroes);
}
@@ -850,16 +858,9 @@ objdump_print_address (bfd_vma vma, struct disassemble_info *info)
static int
objdump_symbol_at_address (bfd_vma vma, struct disassemble_info * info)
{
- struct objdump_disasm_info * aux;
asymbol * sym;
- /* No symbols - do not bother checking. */
- if (sorted_symcount < 1)
- return 0;
-
- aux = (struct objdump_disasm_info *) info->application_data;
- sym = find_symbol_for_address (aux->abfd, aux->sec, vma, aux->require_sec,
- NULL);
+ sym = find_symbol_for_address (vma, info, NULL);
return (sym != NULL && (bfd_asymbol_value (sym) == vma));
}
@@ -1627,6 +1628,7 @@ disassemble_section (bfd *abfd, asection *section, void *info)
bfd_get_section_contents (abfd, section, data, 0, datasize);
paux->sec = section;
+ paux->require_sec = TRUE;
pinfo->buffer = data;
pinfo->buffer_vma = section->vma;
pinfo->buffer_length = datasize;
@@ -1659,8 +1661,7 @@ disassemble_section (bfd *abfd, asection *section, void *info)
printf (_("Disassembly of section %s:\n"), section->name);
/* Find the nearest symbol forwards from our current position. */
- sym = find_symbol_for_address (abfd, section, section->vma + addr_offset,
- TRUE, &place);
+ sym = find_symbol_for_address (section->vma + addr_offset, info, &place);
/* Disassemble a block of instructions up to the address associated with
the symbol we have just found. Then print the symbol and find the
@@ -1668,81 +1669,81 @@ disassemble_section (bfd *abfd, asection *section, void *info)
or we have reached the end of the address range we are interested in. */
while (addr_offset < stop_offset)
{
+ bfd_vma addr;
asymbol *nextsym;
unsigned long nextstop_offset;
bfd_boolean insns;
- if (sym != NULL
- && bfd_asymbol_value (sym) <= section->vma + addr_offset)
+ addr = section->vma + addr_offset;
+
+ if (sym != NULL && bfd_asymbol_value (sym) <= addr)
{
int x;
for (x = place;
(x < sorted_symcount
- && (bfd_asymbol_value (sorted_syms[x])
- <= section->vma + addr_offset));
+ && (bfd_asymbol_value (sorted_syms[x]) <= addr));
++x)
continue;
- pinfo->symbols = & sorted_syms[place];
+ pinfo->symbols = sorted_syms + place;
pinfo->num_symbols = x - place;
}
else
- pinfo->symbols = NULL;
+ {
+ pinfo->symbols = NULL;
+ pinfo->num_symbols = 0;
+ }
if (! prefix_addresses)
{
pinfo->fprintf_func (pinfo->stream, "\n");
- objdump_print_addr_with_sym (abfd, section, sym,
- section->vma + addr_offset,
+ objdump_print_addr_with_sym (abfd, section, sym, addr,
pinfo, FALSE);
pinfo->fprintf_func (pinfo->stream, ":\n");
}
- if (sym != NULL
- && bfd_asymbol_value (sym) > section->vma + addr_offset)
+ if (sym != NULL && bfd_asymbol_value (sym) > addr)
nextsym = sym;
else if (sym == NULL)
nextsym = NULL;
else
{
+#define is_valid_next_sym(SYM) \
+ ((SYM)->section == section \
+ && (bfd_asymbol_value (SYM) > bfd_asymbol_value (sym)) \
+ && pinfo->symbol_is_valid (SYM, pinfo))
+
/* Search forward for the next appropriate symbol in
SECTION. Note that all the symbols are sorted
together into one big array, and that some sections
may have overlapping addresses. */
while (place < sorted_symcount
- && (sorted_syms[place]->section != section
- || (bfd_asymbol_value (sorted_syms[place])
- <= bfd_asymbol_value (sym))))
+ && ! is_valid_next_sym (sorted_syms [place]))
++place;
+
if (place >= sorted_symcount)
nextsym = NULL;
else
nextsym = sorted_syms[place];
}
- if (sym != NULL
- && bfd_asymbol_value (sym) > section->vma + addr_offset)
- {
- nextstop_offset = bfd_asymbol_value (sym) - section->vma;
- if (nextstop_offset > stop_offset)
- nextstop_offset = stop_offset;
- }
+ if (sym != NULL && bfd_asymbol_value (sym) > addr)
+ nextstop_offset = bfd_asymbol_value (sym) - section->vma;
else if (nextsym == NULL)
nextstop_offset = stop_offset;
else
- {
- nextstop_offset = bfd_asymbol_value (nextsym) - section->vma;
- if (nextstop_offset > stop_offset)
- nextstop_offset = stop_offset;
- }
+ nextstop_offset = bfd_asymbol_value (nextsym) - section->vma;
+
+ if (nextstop_offset > stop_offset)
+ nextstop_offset = stop_offset;
/* If a symbol is explicitly marked as being an object
rather than a function, just dump the bytes without
disassembling them. */
if (disassemble_all
|| sym == NULL
- || bfd_asymbol_value (sym) > section->vma + addr_offset
+ || bfd_asymbol_value (sym) > addr
|| ((sym->flags & BSF_OBJECT) == 0
&& (strstr (bfd_asymbol_name (sym), "gnu_compiled")
== NULL)
@@ -1789,7 +1790,7 @@ disassemble_data (bfd *abfd)
/* Sort the symbols into section and symbol order. */
qsort (sorted_syms, sorted_symcount, sizeof (asymbol *), compare_symbols);
- init_disassemble_info (&disasm_info, stdout, fprintf);
+ init_disassemble_info (&disasm_info, stdout, (fprintf_ftype) fprintf);
disasm_info.application_data = (void *) &aux;
aux.abfd = abfd;
@@ -1845,6 +1846,9 @@ disassemble_data (bfd *abfd)
instead. */
disasm_info.endian = BFD_ENDIAN_UNKNOWN;
+ /* Allow the target to customize the info structure. */
+ disassemble_init_for_target (& disasm_info);
+
/* Pre-load the dynamic relocs if we are going
to be dumping them along with the disassembly. */
if (dump_dynamic_reloc_info)