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authorSteve Chamberlain <steve@cygnus>1991-05-03 23:52:48 +0000
committerSteve Chamberlain <steve@cygnus>1991-05-03 23:52:48 +0000
commitb63165349fd48f5577a3985d7940bcc5377b814d (patch)
tree67b8cda56d2d9787b75c18b02fe81b792542a219 /ld/ldlang.c
parent592ecfb22e725acdb1158010b135068f5c87f603 (diff)
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*** empty log message ***
Diffstat (limited to 'ld/ldlang.c')
-rw-r--r--ld/ldlang.c72
1 files changed, 40 insertions, 32 deletions
diff --git a/ld/ldlang.c b/ld/ldlang.c
index ba165bd..453666d 100644
--- a/ld/ldlang.c
+++ b/ld/ldlang.c
@@ -1659,18 +1659,23 @@ DEFUN_VOID(lang_check)
/*
* run through all the global common symbols and tie them
- * to the output section requested.
- */
+ * to the output section requested.
+ *
+ As an experiment we do this 4 times, once for all the byte sizes,
+ then all the two bytes, all the four bytes and then everything else
+ */
static void
DEFUN_VOID(lang_common)
{
ldsym_type *lgs;
+ size_t power;
if (config.relocateable_output == false ||
command_line.force_common_definition== true) {
- for (lgs = symbol_head;
- lgs != (ldsym_type *)NULL;
- lgs=lgs->next)
+ for (power = 1; (config.sort_common == true && power == 1) || (power <= 16); power <<=1) {
+ for (lgs = symbol_head;
+ lgs != (ldsym_type *)NULL;
+ lgs=lgs->next)
{
asymbol *com ;
unsigned int power_of_two;
@@ -1706,44 +1711,46 @@ DEFUN_VOID(lang_common)
align = 16;
break;
}
+ if (config.sort_common == false || align == power) {
+ /* Change from a common symbol into a definition of
+ a symbol */
+ lgs->sdefs_chain = lgs->scoms_chain;
+ lgs->scoms_chain = (asymbol **)NULL;
+ commons_pending--;
+ /* Point to the correct common section */
+ com->section =
+ ((lang_input_statement_type *)
+ (com->the_bfd->usrdata))->common_section;
+ /* Fix the size of the common section */
+ com->section->size = ALIGN(com->section->size, align);
+
+ /* Remember if this is the biggest alignment ever seen */
+ if (power_of_two > com->section->alignment_power) {
+ com->section->alignment_power = power_of_two;
+ }
+ /* Symbol stops being common and starts being global, but
+ we remember that it was common once. */
- /* Change from a common symbol into a definition of
- a symbol */
- lgs->sdefs_chain = lgs->scoms_chain;
- lgs->scoms_chain = (asymbol **)NULL;
- commons_pending--;
- /* Point to the correct common section */
- com->section =
- ((lang_input_statement_type *)
- (com->the_bfd->usrdata))->common_section;
- /* Fix the size of the common section */
- com->section->size = ALIGN(com->section->size, align);
-
- /* Remember if this is the biggest alignment ever seen */
- if (power_of_two > com->section->alignment_power) {
- com->section->alignment_power = power_of_two;
- }
-
- /* Symbol stops being common and starts being global, but
- we remember that it was common once. */
-
- com->flags = BSF_EXPORT | BSF_GLOBAL | BSF_OLD_COMMON;
-
+ com->flags = BSF_EXPORT | BSF_GLOBAL | BSF_OLD_COMMON;
+ com->value = com->section->size;
- if (write_map)
+ if (write_map)
{
- printf ("Allocating common %s: %x at %x\n",
+ printf ("Allocating common %s: %x at %x %s\n",
lgs->name,
(unsigned) size,
- (unsigned) com->section->size);
+ (unsigned) com->value,
+ com->the_bfd->filename);
}
- com->value = com->section->size;
- com->section->size += size;
+ com->section->size += size;
+ }
}
+
}
+ }
}
@@ -1829,6 +1836,7 @@ DEFUN(lang_set_flags,(ptr, flags),
ptr->flag_executable= state;
break;
case 'L':
+ case 'I':
ptr->flag_loadable= state;
break;
default: