for (seg = segsec_names_xlat; seg->segname; seg++)
{
- if (strcmp (seg->segname, segname) == 0)
+ if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0)
{
const struct mach_o_section_name_xlat *sec;
for (sec = seg->sections; sec->mach_o_name; sec++)
{
- if (strcmp (sec->mach_o_name, sectname) == 0)
+ if (strncmp (sec->mach_o_name, sectname,
+ BFD_MACH_O_SECTNAME_SIZE) == 0)
{
*name = sec->bfd_name;
*flags = sec->flags;
}
static void
-bfd_mach_o_convert_section_name_to_bfd (bfd *abfd, bfd_mach_o_section *section,
- const char **name, flagword *flags)
+bfd_mach_o_convert_section_name_to_bfd
+ (bfd *abfd, const char *segname, const char *sectname,
+ const char **name, flagword *flags)
{
char *res;
unsigned int len;
const char *pfx = "";
/* First search for a canonical name. */
- bfd_mach_o_normalize_section_name (section->segname, section->sectname,
- name, flags);
+ bfd_mach_o_normalize_section_name (segname, sectname, name, flags);
/* Return now if found. */
if (*name)
return;
- len = strlen (section->segname) + 1
- + strlen (section->sectname) + 1;
+ len = strlen (segname) + 1 + strlen (sectname) + 1;
/* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start
with an underscore. */
- if (section->segname[0] != '_')
+ if (segname[0] != '_')
{
static const char seg_pfx[] = "LC_SEGMENT.";
res = bfd_alloc (abfd, len);
if (res == NULL)
return;
- snprintf (res, len, "%s%s.%s", pfx, section->segname, section->sectname);
+ snprintf (res, len, "%s%s.%s", pfx, segname, sectname);
*name = res;
*flags = SEC_NO_FLAGS;
}
{
struct mach_o_segment_command_32_external raw;
bfd_mach_o_segment_command *seg = &command->command.segment;
- unsigned long i;
+ bfd_mach_o_section *sec;
BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
- for (i = 0; i < seg->nsects; i++)
- if (!bfd_mach_o_write_relocs (abfd, &seg->sections[i]))
+ for (sec = seg->sect_head; sec != NULL; sec = sec->next)
+ if (!bfd_mach_o_write_relocs (abfd, sec))
return -1;
memcpy (raw.segname, seg->segname, 16);
|| bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
return -1;
- for (i = 0; i < seg->nsects; i++)
- if (bfd_mach_o_write_section_32 (abfd, &seg->sections[i]))
+ for (sec = seg->sect_head; sec != NULL; sec = sec->next)
+ if (bfd_mach_o_write_section_32 (abfd, sec))
return -1;
return 0;
{
struct mach_o_segment_command_64_external raw;
bfd_mach_o_segment_command *seg = &command->command.segment;
- unsigned long i;
+ bfd_mach_o_section *sec;
BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
- for (i = 0; i < seg->nsects; i++)
- if (!bfd_mach_o_write_relocs (abfd, &seg->sections[i]))
+ for (sec = seg->sect_head; sec != NULL; sec = sec->next)
+ if (!bfd_mach_o_write_relocs (abfd, sec))
return -1;
memcpy (raw.segname, seg->segname, 16);
|| bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
return -1;
- for (i = 0; i < seg->nsects; i++)
- if (bfd_mach_o_write_section_64 (abfd, &seg->sections[i]))
+ for (sec = seg->sect_head; sec != NULL; sec = sec->next)
+ if (bfd_mach_o_write_section_64 (abfd, sec))
return -1;
return 0;
return TRUE;
}
+static void
+bfd_mach_o_append_section_to_segment (bfd_mach_o_segment_command *seg,
+ asection *sec)
+{
+ bfd_mach_o_section *s = (bfd_mach_o_section *)sec->used_by_bfd;
+ if (seg->sect_head == NULL)
+ seg->sect_head = s;
+ else
+ seg->sect_tail->next = s;
+ seg->sect_tail = s;
+}
+
+/* Create section Mach-O flags from BFD flags. */
+
+static void
+bfd_mach_o_set_section_flags_from_bfd (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
+{
+ flagword bfd_flags;
+ bfd_mach_o_section *s = bfd_mach_o_get_mach_o_section (sec);
+
+ /* Create default flags. */
+ bfd_flags = bfd_get_section_flags (abfd, sec);
+ if ((bfd_flags & SEC_CODE) == SEC_CODE)
+ s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS
+ | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS
+ | BFD_MACH_O_S_REGULAR;
+ else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC)
+ s->flags = BFD_MACH_O_S_ZEROFILL;
+ else if (bfd_flags & SEC_DEBUGGING)
+ s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG;
+ else
+ s->flags = BFD_MACH_O_S_REGULAR;
+}
+
/* Build Mach-O load commands from the sections. */
bfd_boolean
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
unsigned int wide = mach_o_wide_p (&mdata->header);
bfd_mach_o_segment_command *seg;
- bfd_mach_o_section *sections;
asection *sec;
bfd_mach_o_load_command *cmd;
bfd_mach_o_load_command *symtab_cmd;
if (mdata->header.ncmds)
return FALSE;
- /* Very simple version: 1 command (segment) containing all sections. */
+ /* Very simple version: a command (segment) to contain all the sections and
+ a command for the symbol table. */
mdata->header.ncmds = 2;
mdata->commands = bfd_alloc (abfd, mdata->header.ncmds
* sizeof (bfd_mach_o_load_command));
seg = &cmd->command.segment;
seg->nsects = bfd_count_sections (abfd);
- sections = bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section));
- if (sections == NULL)
- return FALSE;
- seg->sections = sections;
/* Set segment command. */
if (wide)
target_index = 0;
for (sec = abfd->sections; sec; sec = sec->next)
{
- sections->bfdsection = sec;
- bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, sections);
- sections->addr = bfd_get_section_vma (abfd, sec);
- sections->size = bfd_get_section_size (sec);
- sections->align = bfd_get_section_alignment (abfd, sec);
+ bfd_mach_o_section *msect = bfd_mach_o_get_mach_o_section (sec);
+
+ bfd_mach_o_append_section_to_segment (seg, sec);
+
+ if (msect->flags == 0)
+ {
+ /* We suppose it hasn't been set. Convert from BFD flags. */
+ bfd_mach_o_set_section_flags_from_bfd (abfd, sec);
+ }
+ msect->addr = bfd_get_section_vma (abfd, sec);
+ msect->size = bfd_get_section_size (sec);
+ msect->align = bfd_get_section_alignment (abfd, sec);
- if (sections->size != 0)
+ if (msect->size != 0)
{
- mdata->filelen = FILE_ALIGN (mdata->filelen, sections->align);
- sections->offset = mdata->filelen;
+ mdata->filelen = FILE_ALIGN (mdata->filelen, msect->align);
+ msect->offset = mdata->filelen;
}
else
- sections->offset = 0;
- sections->reloff = 0;
- sections->nreloc = 0;
- sections->reserved1 = 0;
- sections->reserved2 = 0;
- sections->reserved3 = 0;
-
- sec->filepos = sections->offset;
+ msect->offset = 0;
+
+ sec->filepos = msect->offset;
sec->target_index = ++target_index;
- mdata->filelen += sections->size;
- sections++;
+ mdata->filelen += msect->size;
}
seg->filesize = mdata->filelen - seg->fileoff;
seg->vmsize = seg->filesize;
return TRUE;
}
-static asection *
-bfd_mach_o_make_bfd_section (bfd *abfd, bfd_mach_o_section *section,
- unsigned long prot)
+bfd_boolean
+bfd_mach_o_new_section_hook (bfd *abfd, asection *sec)
+{
+ bfd_mach_o_section *s;
+
+ s = bfd_mach_o_get_mach_o_section (sec);
+ if (s == NULL)
+ {
+ flagword bfd_flags;
+
+ s = (bfd_mach_o_section *) bfd_zalloc (abfd, sizeof (*s));
+ if (s == NULL)
+ return FALSE;
+ sec->used_by_bfd = s;
+ s->bfdsection = sec;
+
+ /* Create default name. */
+ bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, s);
+
+ /* Create default flags. */
+ bfd_flags = bfd_get_section_flags (abfd, sec);
+ if ((bfd_flags & SEC_CODE) == SEC_CODE)
+ s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS
+ | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS
+ | BFD_MACH_O_S_REGULAR;
+ else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC)
+ s->flags = BFD_MACH_O_S_ZEROFILL;
+ else if (bfd_flags & SEC_DEBUGGING)
+ s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG;
+ else
+ s->flags = BFD_MACH_O_S_REGULAR;
+ }
+
+ return _bfd_generic_new_section_hook (abfd, sec);
+}
+
+static void
+bfd_mach_o_init_section_from_mach_o (bfd *abfd, asection *sec,
+ unsigned long prot)
{
- asection *bfdsec;
- const char *sname;
flagword flags;
+ bfd_mach_o_section *section;
- bfd_mach_o_convert_section_name_to_bfd (abfd, section, &sname, &flags);
- if (sname == NULL)
- return NULL;
+ flags = bfd_get_section_flags (abfd, sec);
+ section = bfd_mach_o_get_mach_o_section (sec);
if (flags == SEC_NO_FLAGS)
{
if (section->nreloc != 0)
flags |= SEC_RELOC;
- bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, flags);
- if (bfdsec == NULL)
- return NULL;
+ bfd_set_section_flags (abfd, sec, flags);
+
+ sec->vma = section->addr;
+ sec->lma = section->addr;
+ sec->size = section->size;
+ sec->filepos = section->offset;
+ sec->alignment_power = section->align;
+ sec->segment_mark = 0;
+ sec->reloc_count = section->nreloc;
+ sec->rel_filepos = section->reloff;
+}
- bfdsec->vma = section->addr;
- bfdsec->lma = section->addr;
- bfdsec->size = section->size;
- bfdsec->filepos = section->offset;
- bfdsec->alignment_power = section->align;
- bfdsec->segment_mark = 0;
- bfdsec->reloc_count = section->nreloc;
- bfdsec->rel_filepos = section->reloff;
+static asection *
+bfd_mach_o_make_bfd_section (bfd *abfd,
+ const unsigned char *segname,
+ const unsigned char *sectname)
+{
+ const char *sname;
+ flagword flags;
+
+ bfd_mach_o_convert_section_name_to_bfd
+ (abfd, (const char *)segname, (const char *)sectname, &sname, &flags);
+ if (sname == NULL)
+ return NULL;
- return bfdsec;
+ return bfd_make_section_anyway_with_flags (abfd, sname, flags);
}
-static int
+static asection *
bfd_mach_o_read_section_32 (bfd *abfd,
- bfd_mach_o_section *section,
unsigned int offset,
unsigned long prot)
{
struct mach_o_section_32_external raw;
+ asection *sec;
+ bfd_mach_o_section *section;
if (bfd_seek (abfd, offset, SEEK_SET) != 0
|| (bfd_bread (&raw, BFD_MACH_O_SECTION_SIZE, abfd)
!= BFD_MACH_O_SECTION_SIZE))
- return -1;
+ return NULL;
+
+ sec = bfd_mach_o_make_bfd_section (abfd, raw.sectname, raw.segname);
+ if (sec == NULL)
+ return NULL;
- memcpy (section->sectname, raw.sectname, 16);
- section->sectname[16] = '\0';
- memcpy (section->segname, raw.segname, 16);
- section->segname[16] = '\0';
+ section = bfd_mach_o_get_mach_o_section (sec);
+ memcpy (section->segname, raw.segname, sizeof (raw.segname));
+ section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0;
+ memcpy (section->sectname, raw.sectname, sizeof (raw.sectname));
+ section->segname[BFD_MACH_O_SECTNAME_SIZE] = 0;
section->addr = bfd_h_get_32 (abfd, raw.addr);
section->size = bfd_h_get_32 (abfd, raw.size);
section->offset = bfd_h_get_32 (abfd, raw.offset);
section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1);
section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2);
section->reserved3 = 0;
- section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot);
- if (section->bfdsection == NULL)
- return -1;
+ bfd_mach_o_init_section_from_mach_o (abfd, sec, prot);
- return 0;
+ return sec;
}
-static int
+static asection *
bfd_mach_o_read_section_64 (bfd *abfd,
- bfd_mach_o_section *section,
unsigned int offset,
unsigned long prot)
{
struct mach_o_section_64_external raw;
+ asection *sec;
+ bfd_mach_o_section *section;
if (bfd_seek (abfd, offset, SEEK_SET) != 0
|| (bfd_bread (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd)
!= BFD_MACH_O_SECTION_64_SIZE))
- return -1;
+ return NULL;
- memcpy (section->sectname, raw.sectname, 16);
- section->sectname[16] = '\0';
- memcpy (section->segname, raw.segname, 16);
- section->segname[16] = '\0';
+ sec = bfd_mach_o_make_bfd_section (abfd, raw.sectname, raw.segname);
+ if (sec == NULL)
+ return NULL;
+
+ section = bfd_mach_o_get_mach_o_section (sec);
+ memcpy (section->segname, raw.segname, sizeof (raw.segname));
+ section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0;
+ memcpy (section->sectname, raw.sectname, sizeof (raw.sectname));
+ section->segname[BFD_MACH_O_SECTNAME_SIZE] = 0;
section->addr = bfd_h_get_64 (abfd, raw.addr);
section->size = bfd_h_get_64 (abfd, raw.size);
section->offset = bfd_h_get_32 (abfd, raw.offset);
section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1);
section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2);
section->reserved3 = bfd_h_get_32 (abfd, raw.reserved3);
- section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot);
- if (section->bfdsection == NULL)
- return -1;
+ bfd_mach_o_init_section_from_mach_o (abfd, sec, prot);
- return 0;
+ return sec;
}
-static int
+static asection *
bfd_mach_o_read_section (bfd *abfd,
- bfd_mach_o_section *section,
unsigned int offset,
unsigned long prot,
unsigned int wide)
{
if (wide)
- return bfd_mach_o_read_section_64 (abfd, section, offset, prot);
+ return bfd_mach_o_read_section_64 (abfd, offset, prot);
else
- return bfd_mach_o_read_section_32 (abfd, section, offset, prot);
+ return bfd_mach_o_read_section_32 (abfd, offset, prot);
}
static int
seg->flags = bfd_h_get_32 (abfd, raw.flags);
}
- if (seg->nsects != 0)
+ for (i = 0; i < seg->nsects; i++)
{
- seg->sections = bfd_alloc (abfd, seg->nsects
- * sizeof (bfd_mach_o_section));
- if (seg->sections == NULL)
- return -1;
+ bfd_vma segoff;
+ asection *sec;
- for (i = 0; i < seg->nsects; i++)
- {
- bfd_vma segoff;
- if (wide)
- segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE
- + (i * BFD_MACH_O_SECTION_64_SIZE);
- else
- segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE
- + (i * BFD_MACH_O_SECTION_SIZE);
+ if (wide)
+ segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE
+ + (i * BFD_MACH_O_SECTION_64_SIZE);
+ else
+ segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE
+ + (i * BFD_MACH_O_SECTION_SIZE);
- if (bfd_mach_o_read_section
- (abfd, &seg->sections[i], segoff, seg->initprot, wide) != 0)
- return -1;
- }
+ sec = bfd_mach_o_read_section (abfd, segoff, seg->initprot, wide);
+ if (sec == NULL)
+ return -1;
+
+ bfd_mach_o_append_section_to_segment (seg, sec);
}
return 0;
{
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
long csect = 0;
- unsigned long i, j;
+ unsigned long i;
/* Count total number of sections. */
mdata->nsects = 0;
|| mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
{
bfd_mach_o_segment_command *seg;
+ bfd_mach_o_section *sec;
seg = &mdata->commands[i].command.segment;
BFD_ASSERT (csect + seg->nsects <= mdata->nsects);
- for (j = 0; j < seg->nsects; j++)
- mdata->sections[csect++] = &seg->sections[j];
+ for (sec = seg->sect_head; sec != NULL; sec = sec->next)
+ mdata->sections[csect++] = sec;
}
}
}
return NULL;
}
-int
-bfd_mach_o_lookup_section (bfd *abfd,
- asection *section,
- bfd_mach_o_load_command **mcommand,
- bfd_mach_o_section **msection)
-{
- struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
- unsigned int i, j, num;
-
- bfd_mach_o_load_command *ncmd = NULL;
- bfd_mach_o_section *nsect = NULL;
-
- BFD_ASSERT (mcommand != NULL);
- BFD_ASSERT (msection != NULL);
-
- num = 0;
- for (i = 0; i < md->header.ncmds; i++)
- {
- struct bfd_mach_o_load_command *cmd = &md->commands[i];
- struct bfd_mach_o_segment_command *seg = NULL;
-
- if (cmd->type != BFD_MACH_O_LC_SEGMENT
- || cmd->type != BFD_MACH_O_LC_SEGMENT_64)
- continue;
- seg = &cmd->command.segment;
-
- for (j = 0; j < seg->nsects; j++)
- {
- struct bfd_mach_o_section *sect = &seg->sections[j];
-
- if (sect->bfdsection == section)
- {
- if (num == 0)
- {
- nsect = sect;
- ncmd = cmd;
- }
- num++;
- }
- }
- }
-
- *mcommand = ncmd;
- *msection = nsect;
- return num;
-}
-
int
bfd_mach_o_lookup_command (bfd *abfd,
bfd_mach_o_load_command_type type,
bfd_mach_o_print_section_map (bfd *abfd, FILE *file)
{
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
- unsigned int i, j;
+ unsigned int i;
unsigned int sec_nbr = 0;
fputs (_("Segments and Sections:\n"), file);
for (i = 0; i < mdata->header.ncmds; i++)
{
bfd_mach_o_segment_command *seg;
+ bfd_mach_o_section *sec;
if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT
&& mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64)
fputc (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-', file);
fputc (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-', file);
fprintf (file, "]\n");
- for (j = 0; j < seg->nsects; j++)
+
+ for (sec = seg->sect_head; sec != NULL; sec = sec->next)
{
- bfd_mach_o_section *sec = &seg->sections[j];
fprintf (file, "%02u: %-16s %-16s ", ++sec_nbr,
sec->segname, sec->sectname);
fprintf_vma (file, sec->addr);
bfd_mach_o_load_command *cmd, FILE *file)
{
bfd_mach_o_segment_command *seg = &cmd->command.segment;
- unsigned int i;
+ bfd_mach_o_section *sec;
fprintf (file, " name: %s\n", *seg->segname ? seg->segname : "*none*");
fprintf (file, " vmaddr: ");
fprintf (file, "\n");
fprintf (file, " nsects: %lu ", seg->nsects);
fprintf (file, " flags: %lx\n", seg->flags);
- for (i = 0; i < seg->nsects; i++)
- bfd_mach_o_print_section (abfd, &seg->sections[i], file);
+ for (sec = seg->sect_head; sec != NULL; sec = sec->next)
+ bfd_mach_o_print_section (abfd, sec, file);
}
static void
projects / binutils-gdb.git / commitdiff