espressif/binutils-gdb
1
0
Fork 0
mirror of https://github.com/espressif/binutils-gdb.git synced 2025-06-19 17:18:24 +08:00
Code Issues Packages Projects Releases Wiki Activity

* elf-m10300.c (mn10300_elf_relax_section): Do not relax "dmul",

Browse Source 
"dmulu", "dmach", "dmachu" with 32bit operands.
This commit is contained in:
Jeff Law
1998-07-24 17:49:08 +00:00
parent 06992a452a
commit 88ac1a5e13
2 changed files with 13 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
bfd/ChangeLog
View File

@ -1,5 +1,10 @@
Fri Jul 24 11:24:29 1998 Jeffrey A Law (law@cygnus.com) Fri Jul 24 11:24:29 1998 Jeffrey A Law (law@cygnus.com)
start-sanitize-am33
* elf-m10300.c (mn10300_elf_relax_section): Do not relax "dmul",
"dmulu", "dmach", "dmachu" with 32bit operands.
end-sanitize-am33
* elf-m10300.c (mn10300_elf_howto): Add R_MN10300_24 entry. * elf-m10300.c (mn10300_elf_howto): Add R_MN10300_24 entry.
(mn10300_elf_reloc_map): Similarly. (mn10300_elf_reloc_map): Similarly.
(mn10300_elf_final_link_relocate): Handle R_MN10300_24. (mn10300_elf_final_link_relocate): Handle R_MN10300_24.

10
bfd/elf-m10300.c
View File

@ -1897,7 +1897,7 @@ mn10300_elf_relax_section (abfd, sec, link_info, again)
bfd_vma value = symval; bfd_vma value = symval;
value += irel->r_addend; value += irel->r_addend;
/* See if the value will fit in 8 bits. /* See if the value will fit in 8 bits. */
if ((long)value < 0x7f && (long)value > -0x80) if ((long)value < 0x7f && (long)value > -0x80)
{ {
unsigned char code; unsigned char code;
@ -1913,9 +1913,13 @@ mn10300_elf_relax_section (abfd, sec, link_info, again)
/* Get the second opcode. */ /* Get the second opcode. */
code = bfd_get_8 (abfd, contents + irel->r_offset - 2); code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
if ((code & 0x0f) == 0x09 || (code & 0x0f) == 0x08 /* We can not relax 0x6b, 0x7b, 0x8b, 0x9b as no 24bit
equivalent instructions exists. */
if (code != 0x6b && code != 0x7b
&& code != 0x8b && code != 0x9b
&& ((code & 0x0f) == 0x09 || (code & 0x0f) == 0x08
|| (code & 0x0f) == 0x0a || (code & 0x0f) == 0x0b || (code & 0x0f) == 0x0a || (code & 0x0f) == 0x0b
|| (code & 0x0f) == 0x0e) || (code & 0x0f) == 0x0e))
{ {
/* Not safe if the high bit is on as relaxing may /* Not safe if the high bit is on as relaxing may
move the value out of high mem and thus not fit move the value out of high mem and thus not fit