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This commit is contained in:
Steve Chamberlain 1991-05-03 23:52:48 +00:00
parent 592ecfb22e
commit b63165349f
8 changed files with 53 additions and 41 deletions
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70
ld/ldlang.c
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@ -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;
}
/* 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);
/* Symbol stops being common and starts being global, but
we remember that it was common once. */
/* Remember if this is the biggest alignment ever seen */
if (power_of_two > com->section->alignment_power) {
com->section->alignment_power = power_of_two;
}
com->flags = BSF_EXPORT | BSF_GLOBAL | BSF_OLD_COMMON;
com->value = com->section->size;
/* 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;
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: