+2019-05-14 Jamey Hicks <jamey.hicks@gmail.com>
+
+ PR 19921
+ * verilog.c: (VerilogDataWidth): New variable.
+ (verilog_write_record): Emit bytes in VerilogDataWidth bundles.
+
2019-05-08 Nick Clifton <nickc@redhat.com>
PR 24523
#include "libiberty.h"
#include "safe-ctype.h"
+/* Modified by obcopy.c
+ Data width in bytes. */
+unsigned int VerilogDataWidth = 1;
+
/* Macros for converting between hex and binary. */
static const char digs[] = "0123456789ABCDEF";
-#define NIBBLE(x) hex_value(x)
-#define HEX(buffer) ((NIBBLE ((buffer)[0])<<4) + NIBBLE ((buffer)[1]))
+#define NIBBLE(x) hex_value (x)
+#define HEX(buffer) ((NIBBLE ((buffer)[0]) << 4) + NIBBLE ((buffer)[1]))
#define TOHEX(d, x) \
d[1] = digs[(x) & 0xf]; \
d[0] = digs[((x) >> 4) & 0xf];
}
/* Write a record of type, of the supplied number of bytes. The
- supplied bytes and length don't have a checksum. That's worked out
- here. */
+ supplied bytes and length don't have a checksum. That's worked
+ out here. */
static bfd_boolean
verilog_write_record (bfd *abfd,
const bfd_byte *data,
const bfd_byte *end)
{
- char buffer[50];
+ char buffer[52];
const bfd_byte *src = data;
char *dst = buffer;
bfd_size_type wrlen;
- /* Write the data. */
- for (src = data; src < end; src++)
+ /* Paranoia - check that we will not overflow "buffer". */
+ if (((end - data) * 2) /* Number of hex characters we want to emit. */
+ + ((end - data) / VerilogDataWidth) /* Number of spaces we want to emit. */
+ + 2 /* The carriage return & line feed characters. */
+ > (long) sizeof (buffer))
{
- TOHEX (dst, *src);
- dst += 2;
- *dst++ = ' ';
+ /* FIXME: Should we generate an error message ? */
+ return FALSE;
+ }
+
+ /* Write the data.
+ FIXME: Under some circumstances we can emit a space at the end of
+ the line. This is not really necessary, but catching these cases
+ would make the code more complicated. */
+ if (VerilogDataWidth == 1)
+ {
+ for (src = data; src < end;)
+ {
+ TOHEX (dst, *src);
+ dst += 2;
+ src ++;
+ if (src < end)
+ *dst++ = ' ';
+ }
}
+ else if (bfd_little_endian (abfd))
+ {
+ /* If the input byte stream contains:
+ 05 04 03 02 01 00
+ and VerilogDataWidth is 4 then we want to emit:
+ 02030405 0001 */
+ int i;
+
+ for (src = data; src < (end - VerilogDataWidth); src += VerilogDataWidth)
+ {
+ for (i = VerilogDataWidth - 1; i >= 0; i--)
+ {
+ TOHEX (dst, src[i]);
+ dst += 2;
+ }
+ *dst++ = ' ';
+ }
+
+ /* Emit any remaining bytes. Be careful not to read beyond "end". */
+ while (end > src)
+ {
+ -- end;
+ TOHEX (dst, *end);
+ dst += 2;
+ }
+ }
+ else
+ {
+ for (src = data; src < end;)
+ {
+ TOHEX (dst, *src);
+ dst += 2;
+ ++ src;
+ if ((src - data) % VerilogDataWidth == 0)
+ *dst++ = ' ';
+ }
+ }
+
*dst++ = '\r';
*dst++ = '\n';
wrlen = dst - buffer;
+2019-05-14 Jamey Hicks <jamey.hicks@gmail.com>
+
+ PR 19921
+ * objcopy.c: Add new option --verilog-data-width. Use it to set
+ the value of VerilogDataWidth.
+ * doc/binutils.texi: Document the new option.
+ * testsuite/binutils-all/objcopy.exp: Run tests of new option.
+ * testsuite/binutils-all/verilog-1.hex: New file.
+ * testsuite/binutils-all/verilog-2.hex: New file.
+ * testsuite/binutils-all/verilog-4.hex: New file.
+ * testsuite/binutils-all/verilog-8.hex: New file.
+ * NEWS: Mention the new feature.
+
2019-05-10 Alan Modra <amodra@gmail.com>
* testsuite/binutils-all/objdump.exp (test_objdump_disas_limited),
-*- text -*-
+* Add --verilog-data-width option to objcopy for verilog targets to control
+ width of data elements in verilog hex format.
+
* The separate debug info file options of readelf (--debug-dump=links
and --debug-dump=follow) and objdump (--dwarf=links and
--dwarf=follow-links) will now display and/or follow multiple links if
[@option{--elf-stt-common=@var{val}}]
[@option{--merge-notes}]
[@option{--no-merge-notes}]
+ [@option{--verilog-data-width=@var{val}}]
[@option{-v}|@option{--verbose}]
[@option{-V}|@option{--version}]
[@option{--help}] [@option{--info}]
@smallexample
objcopy --add-gnu-debuglink=foo.debug
@end smallexample
-
+
At debug time the debugger will attempt to look for the separate debug
info file in a set of known locations. The exact set of these
locations varies depending upon the distribution being used, but it
@itemx --version
Show the version number of @command{objcopy}.
+@item --verilog-data-width=@var{bytes}
+For Verilog output, this options controls the number of bytes
+converted for each output data element. The input target controls the
+endianness of the conversion.
+
@item -v
@itemx --verbose
Verbose output: list all object files modified. In the case of
For backwards compatibility any file that occurs after a command-line
option of just @option{-} will also be scanned in full, regardless of
-the presence of any @option{-d} option.
+the presence of any @option{-d} option.
@command{strings} is mainly useful for determining the contents of
non-text files.
OPTION_STRIP_UNNEEDED_SYMBOLS,
OPTION_SUBSYSTEM,
OPTION_UPDATE_SECTION,
+ OPTION_VERILOG_DATA_WIDTH,
OPTION_WEAKEN,
OPTION_WEAKEN_SYMBOLS,
OPTION_WRITABLE_TEXT
{"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 *);
--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\
}
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;
objcopy_test "simple copy" bintest.s
+# Test verilog data width
+proc objcopy_test_verilog {testname} {
+ global OBJCOPY
+ global OBJCOPYFLAGS
+ global srcdir
+ global subdir
+ global copyfile
+ set binfile tmpdir/verilogtest.o
+ set verilog tmpdir/verilog
+
+ set got [binutils_assemble $srcdir/$subdir/verilogtest.s $binfile]
+ if {![binutils_assemble $srcdir/$subdir/verilogtest.s $binfile]} then {
+ unresolved "objcopy ($testname)"
+ return
+ }
+
+ set got [binutils_run $OBJCOPY "-O verilog $binfile $verilog"]
+ if ![string equal "" $got] then {
+ fail "objcopy ($testname)"
+ }
+
+ set got [binutils_run $OBJCOPY "-O verilog --verilog-data-width 0 $binfile $verilog-0.hex"]
+ if ![regexp "verilog data width must be at least 1 byte" $got] then {
+ fail "objcopy ($testname 0) {$got}"
+ } else {
+ pass "objcopy ($testname 0)"
+ }
+
+ foreach width {1 2 4 8} {
+ set got [binutils_run $OBJCOPY "-O verilog --verilog-data-width $width $binfile $verilog-$width.hex"]
+ if ![string equal "" $got] then {
+ fail "objcopy ($testname $width)"
+ }
+ send_log "regexp_diff $verilog-$width.hex $srcdir/$subdir/verilog-$width.hex\n"
+ if {! [regexp_diff "$verilog-$width.hex" "$srcdir/$subdir/verilog-$width.hex"]} {
+ pass "objcopy ($testname $width)"
+ } else {
+ fail "objcopy ($testname $width)"
+ }
+ }
+}
+
+objcopy_test_verilog "verilog data width"
+
if { [file exists $tempfile] } {
# Test reversing bytes in a section.
--- /dev/null
+@00000000
+0[134] 0[234] 0[123] 0[124] 00 00 00 00.*
+@000000..
+0[02] 00 0[02] 0[02].*
+#pass
--- /dev/null
+@00000000
+0[1234]0[1234] 0[1234]0[1234] 0000 0000.*
+@000000..
+0[02]0[02] 0[02]0[02].*
+#pass
--- /dev/null
+@00000000
+0[134]0[234]0[123]0[124] 00000000.*
+@000000..
+0[20]000[02]0[02].*
+#pass
+
--- /dev/null
+@00000000
+0[0134]0[0234]0[0123]0[0124]0[40]0[30]0[20]0[10].*
+@000000..
+0[20]000[02]0[20].*
+#pass
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