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Support for linking and loading at different places:

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* ldlex.l: Add "AT" keyword.
	* ldgram.y: Cleanup, and parse AT.
	* ldlang.c (print_output_section_statement): Print output address
	of section in map. (lang_size_sections): Fill sections' lma with
	load address.
	* ldlang.h (lang_output_section_statement_type): Add load_base
	information.
This commit is contained in:
Steve Chamberlain
1993-03-30 22:45:39 +00:00
parent 01b4d31847
commit 9fce28edd5
4 changed files with 108 additions and 49 deletions
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46
ld/ldlang.c
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@ -95,6 +95,10 @@ extern ld_config_type config;
extern boolean had_script;
extern boolean write_map;
etree_type *base; /* Relocation base - or null */
#ifdef __STDC__
#define cat(a,b) a##b
#else
@ -1091,6 +1095,12 @@ DEFUN (print_output_section_statement, (output_section_statement),
fprintf (config.map_file, "No attached output section");
}
print_nl ();
if (output_section_statement->load_base)
{
int b = exp_get_value_int(output_section_statement->load_base,
0, "output base", lang_final_phase_enum);
printf("Output address %08x\n", b);
}
if (output_section_statement->section_alignment >= 0
|| output_section_statement->section_alignment >= 0)
{
@ -1583,6 +1593,11 @@ DEFUN (lang_size_sections, (s, output_section_statement, prev, fill,
dot = align_power (dot, os->bfd_section->alignment_power);
bfd_set_section_vma (0, os->bfd_section, dot);
if (os->load_base) {
os->bfd_section->lma
= exp_get_value_int(os->load_base, 0,"load base", lang_final_phase_enum);
}
}
@ -1609,18 +1624,18 @@ DEFUN (lang_size_sections, (s, output_section_statement, prev, fill,
{
os->region->current = dot;
/* Make sure this isn't silly */
if (os->region->current >
os->region->origin +
os->region->length)
{
einfo ("%X%P: Region %s is full (%B section %s)\n",
os->region->name,
os->bfd_section->owner,
os->bfd_section->name);
/* Reset the region pointer */
os->region->current = 0;
if (( os->region->current
> os->region->origin + os->region->length)
|| ( os->region->origin > os->region->current ))
{
einfo ("%X%P: Region %s is full (%B section %s)\n",
os->region->name,
os->bfd_section->owner,
os->bfd_section->name);
/* Reset the region pointer */
os->region->current = 0;
}
}
}
}
@ -2319,13 +2334,14 @@ DEFUN (lang_enter_output_section_statement,
address_exp,
flags,
block_value,
align, subalign),
align, subalign, base),
char *output_section_statement_name AND
etree_type * address_exp AND
int flags AND
bfd_vma block_value AND
etree_type *align AND
etree_type *subalign)
etree_type *subalign AND
etree_type *base)
{
lang_output_section_statement_type *os;
@ -2361,8 +2377,11 @@ DEFUN (lang_enter_output_section_statement,
os->section_alignment = topower(
exp_get_value_int(align, -1,
"section alignment", 0));
os->load_base = base;
}
void
DEFUN_VOID (lang_final)
{
@ -2765,3 +2784,4 @@ DEFUN (lang_add_output_format, (format),
{
output_target = format;
}