aboutsummaryrefslogtreecommitdiff
path: root/gas/config/tc-m88k.c
diff options
context:
space:
mode:
authorRichard Henderson <rth@redhat.com>2000-12-28 10:07:56 +0000
committerRichard Henderson <rth@redhat.com>2000-12-28 10:07:56 +0000
commit0a9ef439079f50221dad9eb5248387236d370c87 (patch)
treec9e2b708439e46a331746ead00c3c709f5c82bb9 /gas/config/tc-m88k.c
parentbda9cb723c0f733f03ed6fe74dfc3b87fe5e775f (diff)
downloadgdb-0a9ef439079f50221dad9eb5248387236d370c87.zip
gdb-0a9ef439079f50221dad9eb5248387236d370c87.tar.gz
gdb-0a9ef439079f50221dad9eb5248387236d370c87.tar.bz2
* as.h (rs_align_test): New.
* frags.c (NOP_OPCODE): Move default from read.c. (MAX_MEM_FOR_RS_ALIGN_CODE): New default. (frag_align_code): New. * frags.h (frag_align_code): Declare. * read.c (NOP_OPCODE): Remove. (do_align): Use frag_align_code. * write.c (NOP_OPCODE): Remove. (get_recorded_alignment): New. (cvt_frag_to_fill): Handle rs_align_test. (relax_segment): Likewise. (subsegs_finish): Align last subseg in section to the section alignment. Use frag_align_code. * write.h (get_recorded_alignment): Declare. * config/obj-coff.c (size_section): Handle rs_align_test. (fill_section, fixup_mdeps): Likewise. (write_object_file): Use frag_align_code. * config/tc-alpha.c (alpha_align): Use frag_align_code. (alpha_handle_align): New. * config/tc-alpha.h (HANDLE_ALIGN): New. (MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-i386.h (md_do_align): Use frag_align_code. (MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-ia64.c (ia64_md_do_align): Don't do code alignment. (ia64_handle_align): New. * config/tc-ia64.h (HANDLE_ALIGN): New. (MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-m32r.c (m32r_do_align): Remove. (m32r_handle_align): New. (fill_insn): Use frag_align_code. * config/tc-m32r.h (md_do_align): Remove. (HANDLE_ALIGN, MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-m88k.c, config/tc-m88k.h: Similarly. * config/tc-mips.c, config/tc-mips.h: Similarly. * config/tc-sh.c (sh_cons_align): Use rs_align_test. (sh_handle_align): Likewise. Handle rs_align_code. (sh_do_align): Remove. * config/tc-sh.h (md_do_align): Remove. (MAX_MEM_FOR_RS_ALIGN_CODE): New. * config/tc-sparc.c (sparc_cons_align): Use rs_align_test. (sparc_handle_align): Likewise. Handle rs_align_code. * config/tc-sparc.h (md_do_align): Remove. (MAX_MEM_FOR_RS_ALIGN_CODE): New.
Diffstat (limited to 'gas/config/tc-m88k.c')
-rw-r--r--gas/config/tc-m88k.c37
1 files changed, 24 insertions, 13 deletions
diff --git a/gas/config/tc-m88k.c b/gas/config/tc-m88k.c
index 86496cf..af243b2 100644
--- a/gas/config/tc-m88k.c
+++ b/gas/config/tc-m88k.c
@@ -1427,23 +1427,34 @@ md_pcrel_from (fixp)
/*NOTREACHED*/
}
-/* When we align the .init section, insert the correct NOP pattern. */
+/* Fill in rs_align_code fragments. */
-int
-m88k_do_align (n, fill, max, len)
- int n;
- const char *fill;
- int len;
- int max;
+void
+m88k_handle_align (fragp)
+ fragS *fragp;
{
- if (fill == NULL
- && strcmp (obj_segment_name (now_seg), ".init") == 0)
+ static const unsigned char nop_pattern[] = { 0xf4, 0x00, 0x58, 0x00 };
+
+ int bytes;
+ char *p;
+
+ if (fragp->fr_type != rs_align_code)
+ return;
+
+ bytes = fragp->fr_next->fr_address - fragp->fr_address - fragp->fr_fix;
+ p = fragp->fr_literal + fragp->fr_fix;
+
+ if (bytes & 3)
{
- static const unsigned char nop_pattern[] = { 0xf4, 0x00, 0x58, 0x00 };
- frag_align_pattern (n, nop_pattern, sizeof (nop_pattern), max);
- return 1;
+ int fix = bytes & 3;
+ memset (p, 0, fix);
+ p += fix;
+ bytes -= fix;
+ fragp->fr_fix += fix;
}
- return 0;
+
+ memcpy (p, nop_pattern, 4);
+ fragp->fr_var = 4;
}
#endif /* M88KCOFF */