/* BFD back-end for verilog hex memory dump files.
- Copyright (C) 2009-2015 Free Software Foundation, Inc.
+ Copyright (C) 2009-2019 Free Software Foundation, Inc.
Written by Anthony Green <green@moxielogic.com>
This file is part of BFD, the Binary File Descriptor library.
EXAMPLE
@1000
- 01 ae 3f 45 12
+ 01 ae 3f 45 12
DESCRIPTION
@1000 specifies the starting address for the memory data.
#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[48];
+ 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;
return TRUE;
}
-#define verilog_close_and_cleanup _bfd_generic_close_and_cleanup
-#define verilog_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
-#define verilog_new_section_hook _bfd_generic_new_section_hook
-#define verilog_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
-#define verilog_bfd_is_local_label_name bfd_generic_is_local_label_name
-#define verilog_get_lineno _bfd_nosymbols_get_lineno
-#define verilog_find_nearest_line _bfd_nosymbols_find_nearest_line
-#define verilog_find_inliner_info _bfd_nosymbols_find_inliner_info
-#define verilog_make_empty_symbol _bfd_generic_make_empty_symbol
-#define verilog_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
-#define verilog_read_minisymbols _bfd_generic_read_minisymbols
-#define verilog_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
-#define verilog_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
+#define verilog_close_and_cleanup _bfd_generic_close_and_cleanup
+#define verilog_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
+#define verilog_new_section_hook _bfd_generic_new_section_hook
+#define verilog_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
+#define verilog_bfd_is_local_label_name bfd_generic_is_local_label_name
+#define verilog_get_lineno _bfd_nosymbols_get_lineno
+#define verilog_find_nearest_line _bfd_nosymbols_find_nearest_line
+#define verilog_find_inliner_info _bfd_nosymbols_find_inliner_info
+#define verilog_make_empty_symbol _bfd_generic_make_empty_symbol
+#define verilog_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
+#define verilog_read_minisymbols _bfd_generic_read_minisymbols
+#define verilog_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
+#define verilog_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
#define verilog_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
-#define verilog_bfd_relax_section bfd_generic_relax_section
-#define verilog_bfd_gc_sections bfd_generic_gc_sections
-#define verilog_bfd_merge_sections bfd_generic_merge_sections
-#define verilog_bfd_is_group_section bfd_generic_is_group_section
-#define verilog_bfd_discard_group bfd_generic_discard_group
-#define verilog_section_already_linked _bfd_generic_section_already_linked
-#define verilog_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
-#define verilog_bfd_link_add_symbols _bfd_generic_link_add_symbols
-#define verilog_bfd_link_just_syms _bfd_generic_link_just_syms
-#define verilog_bfd_final_link _bfd_generic_final_link
-#define verilog_bfd_link_split_section _bfd_generic_link_split_section
+#define verilog_bfd_relax_section bfd_generic_relax_section
+#define verilog_bfd_gc_sections bfd_generic_gc_sections
+#define verilog_bfd_merge_sections bfd_generic_merge_sections
+#define verilog_bfd_is_group_section bfd_generic_is_group_section
+#define verilog_bfd_group_name bfd_generic_group_name
+#define verilog_bfd_discard_group bfd_generic_discard_group
+#define verilog_section_already_linked _bfd_generic_section_already_linked
+#define verilog_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#define verilog_bfd_link_add_symbols _bfd_generic_link_add_symbols
+#define verilog_bfd_link_just_syms _bfd_generic_link_just_syms
+#define verilog_bfd_final_link _bfd_generic_final_link
+#define verilog_bfd_link_split_section _bfd_generic_link_split_section
const bfd_target verilog_vec =
{
_bfd_dummy_target,
},
{
- bfd_false,
+ _bfd_bool_bfd_false_error,
verilog_mkobject,
- bfd_false,
- bfd_false,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
},
{ /* bfd_write_contents. */
- bfd_false,
+ _bfd_bool_bfd_false_error,
verilog_write_object_contents,
- bfd_false,
- bfd_false,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
},
BFD_JUMP_TABLE_GENERIC (_bfd_generic),