#define SECTION_CONTEXT_ALTER_LMA (1 << 5) /* Increment or decrement the section's LMA address. */
#define SECTION_CONTEXT_SET_FLAGS (1 << 6) /* Set the section's flags. */
#define SECTION_CONTEXT_REMOVE_RELOCS (1 << 7) /* Remove relocations for this section. */
+#define SECTION_CONTEXT_SET_ALIGNMENT (1 << 8) /* Set alignment for section. */
bfd_vma vma_val; /* Amount to change by or set to. */
bfd_vma lma_val; /* Amount to change by or set to. */
flagword flags; /* What to set the section flags to. */
+ unsigned int alignment; /* Alignment of output section. */
};
static struct section_list *change_sections;
OPTION_REMOVE_RELOCS,
OPTION_RENAME_SECTION,
OPTION_REVERSE_BYTES,
- OPTION_SECTION_ALIGNMENT,
+ OPTION_PE_SECTION_ALIGNMENT,
OPTION_SET_SECTION_FLAGS,
+ OPTION_SET_SECTION_ALIGNMENT,
OPTION_SET_START,
OPTION_SREC_FORCES3,
OPTION_SREC_LEN,
OPTION_STRIP_UNNEEDED_SYMBOLS,
OPTION_SUBSYSTEM,
OPTION_UPDATE_SECTION,
+ OPTION_VERILOG_DATA_WIDTH,
OPTION_WEAKEN,
OPTION_WEAKEN_SYMBOLS,
OPTION_WRITABLE_TEXT
{"remove-relocations", required_argument, 0, OPTION_REMOVE_RELOCS},
{"rename-section", required_argument, 0, OPTION_RENAME_SECTION},
{"reverse-bytes", required_argument, 0, OPTION_REVERSE_BYTES},
- {"section-alignment", required_argument, 0, OPTION_SECTION_ALIGNMENT},
+ {"section-alignment", required_argument, 0, OPTION_PE_SECTION_ALIGNMENT},
{"set-section-flags", required_argument, 0, OPTION_SET_SECTION_FLAGS},
+ {"set-section-alignment", required_argument, 0, OPTION_SET_SECTION_ALIGNMENT},
{"set-start", required_argument, 0, OPTION_SET_START},
{"srec-forceS3", no_argument, 0, OPTION_SREC_FORCES3},
{"srec-len", required_argument, 0, OPTION_SREC_LEN},
{"target", required_argument, 0, 'F'},
{"update-section", required_argument, 0, OPTION_UPDATE_SECTION},
{"verbose", no_argument, 0, 'v'},
+ {"verilog-data-width", required_argument, 0, OPTION_VERILOG_DATA_WIDTH},
{"version", no_argument, 0, 'V'},
{"weaken", no_argument, 0, OPTION_WEAKEN},
{"weaken-symbol", required_argument, 0, 'W'},
on by the --srec-forceS3 command line switch. */
extern bfd_boolean _bfd_srec_forceS3;
+/* Width of data in bytes for verilog output.
+ This variable is declared in bfd/verilog.c and can be modified by
+ the --verilog-data-width parameter. */
+extern unsigned int VerilogDataWidth;
+
/* Forward declarations. */
static void setup_section (bfd *, asection *, void *);
static void setup_bfd_headers (bfd *, bfd *);
Warn if a named section does not exist\n\
--set-section-flags <name>=<flags>\n\
Set section <name>'s properties to <flags>\n\
+ --set-section-alignment <name>=<align>\n\
+ Set section <name>'s alignment to 2^<align> bytes\n\
--add-section <name>=<file> Add section <name> found in <file> to output\n\
--update-section <name>=<file>\n\
Update contents of section <name> with\n\
--decompress-debug-sections Decompress DWARF debug sections using zlib\n\
--elf-stt-common=[yes|no] Generate ELF common symbols with STT_COMMON\n\
type\n\
+ --verilog-data-width <number> Specifies data width, in bytes, for verilog output\n\
-M --merge-notes Remove redundant entries in note sections\n\
--no-merge-notes Do not attempt to remove redundant notes (default)\n\
-v --verbose List all object files modified\n\
p->vma_val = 0;
p->lma_val = 0;
p->flags = 0;
+ p->alignment = 0;
p->next = change_sections;
change_sections = p;
unsigned long previous_open_end = 0;
long relsize;
-
relsize = bfd_get_reloc_upper_bound (abfd, sec);
if (relsize > 0)
{
}
/* Make a copy of the notes and convert to our internal format.
- Minimum size of a note is 12 bytes. */
+ Minimum size of a note is 12 bytes. Also locate the version
+ notes and check them. */
pnote = pnotes = (objcopy_internal_note *) xcalloc ((size / 12), sizeof (* pnote));
while (remain >= 12)
{
attribute_type_byte = version_1_seen ? 1 : 3;
val_start = attribute_type_byte + 1;
- /* The first note should be the first version note. */
- if (pnotes[0].note.namedata[attribute_type_byte] != GNU_BUILD_ATTRIBUTE_VERSION)
- {
- err = _("bad GNU build attribute notes: first note not version note");
- goto done;
- }
+ /* We used to require that the first note be a version note,
+ but this is no longer enforced. Due to the problems with
+ linking sections with the same name (eg .gnu.build.note.hot)
+ we cannot guarantee that the first note will be a version note. */
/* Now merge the notes. The rules are:
1. Preserve the ordering of the notes.
with a non-empty description field must also be preserved *OR* the
description field of the note must be changed to contain the starting
address to which it refers.
- 6. Notes with the same start and end address can be deleted. */
- for (pnote = pnotes + 1; pnote < pnotes_end; pnote ++)
+ 6. Notes with the same start and end address can be deleted.
+ 7. FIXME: Elminate duplicate version notes - even function specific ones ? */
+ for (pnote = pnotes; pnote < pnotes_end; pnote ++)
{
int note_type;
objcopy_internal_note * back;
&& back->note.namesz == pnote->note.namesz
&& memcmp (back->note.namedata, pnote->note.namedata, pnote->note.namesz) == 0)
{
- fprintf (stderr, "DUP FUNXC\n");
duplicate_found = TRUE;
pnote->note.type = 0;
break;
char *dir;
const char *filename;
+ /* PR 24281: It is not clear what should happen when copying a thin archive.
+ One part is straight forward - if the output archive is in a different
+ directory from the input archive then any relative paths in the library
+ should be adjusted to the new location. But if any transformation
+ options are active (eg strip, rename, add, etc) then the implication is
+ that these should be applied to the files pointed to by the archive.
+ But since objcopy is not destructive, this means that new files must be
+ created, and there is no guidance for the names of the new files. (Plus
+ this conflicts with one of the goals of thin libraries - only taking up
+ a minimal amount of space in the file system).
+
+ So for now we fail if an attempt is made to copy such libraries. */
+ if (ibfd->is_thin_archive)
+ {
+ status = 1;
+ bfd_set_error (bfd_error_invalid_operation);
+ bfd_nonfatal_message (NULL, ibfd, NULL,
+ _("sorry: copying thin archives is not currently supported"));
+ return;
+ }
+
/* Make a temp directory to hold the contents. */
dir = make_tempdir (bfd_get_filename (obfd));
if (dir == NULL)
const char * name;
char *prefix = NULL;
bfd_boolean make_nobits;
+ unsigned int alignment;
if (is_strip_section (ibfd, isection))
return;
osection->lma = lma;
+ p = find_section_list (bfd_section_name (ibfd, isection), FALSE,
+ SECTION_CONTEXT_SET_ALIGNMENT);
+ if (p != NULL)
+ alignment = p->alignment;
+ else
+ alignment = bfd_section_alignment (ibfd, isection);
+
/* FIXME: This is probably not enough. If we change the LMA we
may have to recompute the header for the file as well. */
if (!bfd_set_section_alignment (obfd,
osection,
- bfd_section_alignment (ibfd, isection)))
+ alignment))
{
err = _("failed to set alignment");
goto loser;
int c;
int i;
char *output_file = NULL;
-
- merge_notes = TRUE;
+ bfd_boolean merge_notes_set = FALSE;
while ((c = getopt_long (argc, argv, "I:O:F:K:MN:R:o:sSpdgxXHhVvwDU",
strip_options, (int *) 0)) != EOF)
break;
case 'M':
merge_notes = TRUE;
+ merge_notes_set = TRUE;
break;
case OPTION_NO_MERGE_NOTES:
merge_notes = FALSE;
+ merge_notes_set = TRUE;
break;
case 'N':
add_specific_symbol (optarg, strip_specific_htab);
}
}
+ /* If the user has not expressly chosen to merge/not-merge ELF notes
+ then enable the merging unless we are stripping debug or dwo info. */
+ if (! merge_notes_set
+ && (strip_symbols == STRIP_UNDEF
+ || strip_symbols == STRIP_ALL
+ || strip_symbols == STRIP_UNNEEDED
+ || strip_symbols == STRIP_NONDEBUG
+ || strip_symbols == STRIP_NONDWO))
+ merge_notes = TRUE;
+
if (formats_info)
{
display_info ();
}
break;
+ case OPTION_SET_SECTION_ALIGNMENT:
+ {
+ struct section_list *p;
+ const char *s;
+ int len;
+ char *name;
+ int align;
+
+ s = strchr (optarg, '=');
+ if (s == NULL)
+ fatal (_("bad format for %s"), "--set-section-alignment");
+
+ align = atoi(s+1);
+ if (align < 0)
+ fatal (_("bad format for %s"), "--set-section-alignment");
+
+ len = s - optarg;
+ name = (char *) xmalloc (len + 1);
+ strncpy (name, optarg, len);
+ name[len] = '\0';
+
+ p = find_section_list (name, TRUE, SECTION_CONTEXT_SET_ALIGNMENT);
+
+ p->alignment = align;
+ }
+ break;
+
case OPTION_RENAME_SECTION:
{
flagword flags;
pe_image_base = parse_vma (optarg, "--image-base");
break;
- case OPTION_SECTION_ALIGNMENT:
+ case OPTION_PE_SECTION_ALIGNMENT:
pe_section_alignment = parse_vma (optarg,
"--section-alignment");
break;
}
break;
+ case OPTION_VERILOG_DATA_WIDTH:
+ VerilogDataWidth = parse_vma (optarg, "--verilog-data-width");
+ if (VerilogDataWidth < 1)
+ fatal (_("verilog data width must be at least 1 byte"));
+ break;
+
case 0:
/* We've been given a long option. */
break;
projects / deliverable / binutils-gdb.git / blobdiff