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authorIan Lance Taylor <ian@airs.com>1997-07-02 16:05:55 +0000
committerIan Lance Taylor <ian@airs.com>1997-07-02 16:05:55 +0000
commitb709b16fdcc6252d9d9fbaad366af4e22833b69a (patch)
treeca1d2f1326fad3acbf2e61f64a498df0dffc83b6
parentdb3152efa090d9962bcb0309c469224d5aecfadc (diff)
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* config/obj-coff.c (fixup_segment): Never subtract section
address from PC relative reloc which will be fully resolved.
-rw-r--r--gas/ChangeLog5
-rw-r--r--gas/config/obj-coff.c44
2 files changed, 35 insertions, 14 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index db1cf90..9fd08a7 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+Wed Jul 2 12:05:00 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * config/obj-coff.c (fixup_segment): Never subtract section
+ address from PC relative reloc which will be fully resolved.
+
Tue Jul 1 15:23:07 1997 Jeffrey A Law (law@cygnus.com)
* ecoff.c (page_type): Renamed from page_t to avoid conflict
diff --git a/gas/config/obj-coff.c b/gas/config/obj-coff.c
index d23f40e..394bc19 100644
--- a/gas/config/obj-coff.c
+++ b/gas/config/obj-coff.c
@@ -1909,6 +1909,9 @@ coff_header_append (abfd, h)
unsigned int i;
char buffer[1000];
char buffero[1000];
+#ifdef COFF_LONG_SECTION_NAMES
+ unsigned long string_size = 4;
+#endif
bfd_seek (abfd, 0, 0);
@@ -1931,10 +1934,6 @@ coff_header_append (abfd, h)
for (i = SEG_E0; i < SEG_LAST; i++)
{
-#ifdef COFF_LONG_SECTION_NAMES
- unsigned long string_size = 4;
-#endif
-
if (segment_info[i].scnhdr.s_name[0])
{
unsigned int size;
@@ -1979,8 +1978,12 @@ symbol_to_chars (abfd, where, symbolP)
}
/* At the same time, relocate all symbols to their output value */
+#ifndef TE_PE
val = (segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_paddr
+ S_GET_VALUE (symbolP));
+#else
+ val = S_GET_VALUE (symbolP);
+#endif
S_SET_VALUE (symbolP, val);
@@ -3145,10 +3148,8 @@ write_object_file ()
#define SUB_SEGMENT_ALIGN(SEG) 1
#endif
#ifdef md_do_align
- {
- static char nop = NOP_OPCODE;
- md_do_align (SUB_SEGMENT_ALIGN (now_seg), &nop, 1, 0, alignment_done);
- }
+ md_do_align (SUB_SEGMENT_ALIGN (now_seg), (char *) NULL, 0, 0,
+ alignment_done);
#endif
frag_align (SUB_SEGMENT_ALIGN (now_seg), NOP_OPCODE, 0);
#ifdef md_do_align
@@ -3625,6 +3626,11 @@ c_section_symbol (name, idx)
SF_SET_STATICS (symbolP);
+#ifdef TE_DELTA
+ /* manfred@s-direktnet.de: section symbols *must* have the LOCAL bit cleared,
+ which is set by the new definition of LOCAL_LABEL in tc-m68k.h. */
+ SF_CLEAR_LOCAL (symbolP);
+#endif
#ifdef TE_PE
/* If the .linkonce pseudo-op was used for this section, we must
store the information in the auxiliary entry for the section
@@ -3770,7 +3776,7 @@ obj_coff_lcomm (ignore)
subseg_set (SEG_E2, 1);
symbolP->sy_frag = frag_now;
p = frag_var(rs_org, 1, 1, (relax_substateT)0, symbolP,
- temp, (char *)0);
+ (offsetT) temp, (char *) 0);
*p = 0;
subseg_set (current_seg, current_subseg); /* restore current seg */
S_SET_SEGMENT(symbolP, SEG_E2);
@@ -4046,11 +4052,21 @@ fixup_segment (segP, this_segment_type)
add_number += S_GET_VALUE (add_symbolP);
add_number -= md_pcrel_from (fixP);
-#if defined (TC_I386) || defined (TE_LYNX)
- /* On the 386 we must adjust by the segment vaddr as
- well. Ian Taylor. */
- add_number -= segP->scnhdr.s_vaddr;
-#endif
+
+ /* We used to do
+ add_number -= segP->scnhdr.s_vaddr;
+ if defined (TC_I386) || defined (TE_LYNX). I now
+ think that was an error propagated from the case when
+ we are going to emit the relocation. If we are not
+ going to emit the relocation, then we just want to
+ set add_number to the difference between the symbols.
+ This is a case that would only arise when there is a
+ PC relative reference from a section other than .text
+ to a symbol defined in the same section, and the
+ reference is not relaxed. Since jump instructions on
+ the i386 are relaxed, this could only arise with a
+ call instruction. */
+
pcrel = 0; /* Lie. Don't want further pcrel processing. */
if (!TC_FORCE_RELOCATION (fixP))
{