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authorIan Lance Taylor <ian@airs.com>1996-09-18 16:14:29 +0000
committerIan Lance Taylor <ian@airs.com>1996-09-18 16:14:29 +0000
commitab2998440bdcd52c63836996a5a16f2086fe9a33 (patch)
tree678b23ce5258d97ad22b53573cae1e4fa0ce7605 /gas
parent0535fa1aa0655c2325fa4c6f21f569b6e13ffe8c (diff)
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* config/obj-coff.c (obj_coff_endef): Both versions: Move C_STAT
symbols to the position of the debugging information. PR 10668.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog5
-rw-r--r--gas/config/obj-coff.c73
2 files changed, 41 insertions, 37 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index fc53c66..e236190 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+Wed Sep 18 12:11:58 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * config/obj-coff.c (obj_coff_endef): Both versions: Move C_STAT
+ symbols to the position of the debugging information.
+
Mon Sep 16 11:41:40 1996 Ian Lance Taylor <ian@cygnus.com>
* expr.c (expr): Always use unsigned right shifts for >>.
diff --git a/gas/config/obj-coff.c b/gas/config/obj-coff.c
index 6e0893b..62ed1b8 100644
--- a/gas/config/obj-coff.c
+++ b/gas/config/obj-coff.c
@@ -278,7 +278,6 @@ c_symbol_merge (debug, normal)
SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug));
}
-static symbolS *previous_file_symbol;
void
c_dot_file_symbol (filename)
char *filename;
@@ -302,21 +301,11 @@ c_dot_file_symbol (filename)
}
#endif
- S_SET_VALUE (symbolP, (long) previous_file_symbol);
-
- previous_file_symbol = symbolP;
-
/* Make sure that the symbol is first on the symbol chain */
if (symbol_rootP != symbolP)
{
- if (symbolP == symbol_lastP)
- {
- symbol_lastP = symbol_lastP->sy_previous;
- } /* if it was the last thing on the list */
-
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP);
- symbol_rootP = symbolP;
} /* if not first on the list */
}
@@ -631,11 +620,12 @@ obj_coff_endef (ignore)
def_symbol_in_progress = symbolP;
if (SF_GET_FUNCTION (def_symbol_in_progress)
- || SF_GET_TAG (def_symbol_in_progress))
+ || SF_GET_TAG (def_symbol_in_progress)
+ || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT)
{
- /* For functions, and tags, the symbol *must* be where the
- debug symbol appears. Move the existing symbol to the
- current place. */
+ /* For functions, and tags, and static symbols, the symbol
+ *must* be where the debug symbol appears. Move the
+ existing symbol to the current place. */
/* If it already is at the end of the symbol list, do nothing */
if (def_symbol_in_progress != symbol_lastP)
{
@@ -995,14 +985,6 @@ coff_frob_symbol (symp, punt)
last_tagP = symp;
else if (S_GET_STORAGE_CLASS (symp) == C_EOS)
next_set_end = last_tagP;
- else if (S_GET_STORAGE_CLASS (symp) == C_FILE)
- {
- if (S_GET_VALUE (symp))
- {
- S_SET_VALUE ((symbolS *) S_GET_VALUE (symp), 0xdeadbeef);
- S_SET_VALUE (symp, 0);
- }
- }
#ifdef OBJ_XCOFF
/* This is pretty horrible, but we have to set *punt correctly in
@@ -1220,10 +1202,7 @@ coff_adjust_symtab ()
{
if (symbol_rootP == NULL
|| S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE)
- {
- assert (previous_file_symbol == 0);
- c_dot_file_symbol ("fake");
- }
+ c_dot_file_symbol ("fake");
}
void
@@ -1675,6 +1654,18 @@ do_relocs_for (abfd, h, file_cursor)
/* Turn the segment of the symbol into an offset. */
if (symbol_ptr)
{
+ if (! symbol_ptr->sy_resolved)
+ {
+ char *file;
+ unsigned int line;
+
+ if (expr_symbol_where (symbol_ptr, &file, &line))
+ as_bad_where (file, line,
+ "unresolved relocation");
+ else
+ as_bad ("bad relocation: symbol `%s' not in symbol table",
+ S_GET_NAME (symbol_ptr));
+ }
dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot;
if (dot)
{
@@ -2239,11 +2230,12 @@ obj_coff_endef (ignore)
def_symbol_in_progress = symbolP;
if (SF_GET_FUNCTION (def_symbol_in_progress)
- || SF_GET_TAG (def_symbol_in_progress))
+ || SF_GET_TAG (def_symbol_in_progress)
+ || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT)
{
- /* For functions, and tags, the symbol *must* be where the
- debug symbol appears. Move the existing symbol to the
- current place. */
+ /* For functions, and tags, and static symbols, the symbol
+ *must* be where the debug symbol appears. Move the
+ existing symbol to the current place. */
/* If it already is at the end of the symbol list, do nothing */
if (def_symbol_in_progress != symbol_lastP)
{
@@ -3979,9 +3971,15 @@ 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. */
+#if defined (TC_I386) || defined (TE_LYNX) || defined (TC_I960)
+ /* On the 386 we must adjust by the segment vaddr as
+ well. Ian Taylor. I changed the i960 to work this
+ way as well. This is compatible with the current GNU
+ linker behaviour. I do not know what other i960 COFF
+ assemblers do. This is not a common case: normally,
+ only assembler code will contain a PC relative reloc,
+ and only branches which do not originate in the .text
+ section will have a non-zero address. */
add_number -= segP->scnhdr.s_vaddr;
#endif
pcrel = 0; /* Lie. Don't want further pcrel processing. */
@@ -4063,9 +4061,10 @@ fixup_segment (segP, this_segment_type)
{
fixP->fx_addsy = &abs_symbol;
} /* if there's an add_symbol */
-#if defined (TC_I386) || defined (TE_LYNX)
- /* On the 386 we must adjust by the segment vaddr
- as well. Ian Taylor. */
+#if defined (TC_I386) || defined (TE_LYNX) || defined (TC_I960)
+ /* On the 386 we must adjust by the segment vaddr as well.
+ Ian Taylor. As noted above, I made the i960 work this
+ way as well. */
add_number -= segP->scnhdr.s_vaddr;
#endif
} /* if pcrel */