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authorJakub Jelinek <jakub@redhat.com>2004-05-19 14:01:14 +0000
committerJakub Jelinek <jakub@redhat.com>2004-05-19 14:01:14 +0000
commit0841712ea90a7633d54bbc1f00fa82e068815b66 (patch)
tree2fa51ae9ff719886f69c1aa790ec08b9b2bb27d6 /ld/ldgram.y
parentf2c503287936db895a7ab693f3ddf618a46a89a3 (diff)
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* ldgram.y (sect_constraint): New.
(ONLY_IF_RO, ONLY_IF_RW): New tokens. (section): Add sect_constraint. Pass additional argument to lang_enter_output_section_statement. * mri.c (mri_draw_tree): Pass additional argument to lang_enter_output_section_statement. * emultempl/pe.em (place_orphan): Likewise. (output_prev_sec_find): Disregard output section statements with constraint == -1. * emultempl/mmo.em (output_prev_sec_find): Likewise. (mmo_place_orphan): Pass additional argument to lang_enter_output_section_statement. * emultempl/elf32.em (output_prev_sec_find): Disregard output section statements with constraint == -1. (place_orphan): Pass additional argument to lang_enter_output_section_statement. * ldlang.c (lang_enter_overlay_section): Likewise. (lang_output_section_find_1): New. (lang_output_section_find): Use it. (lang_output_section_statement_lookup_1): New. (lang_output_section_statement_lookup): Use it. (check_section_callback, check_input_sections): New. (map_input_to_output_sections): Check if all input sections are readonly if ONLY_IF_RO or ONLY_IF_RW was seen. (strip_excluded_output_sections): Disregard output section statements with constraint == -1. (lang_record_phdrs): Likewise. (lang_enter_output_section_statement): Add constraint argument. Use lang_output_section_statement_lookup_1. * ldlang.h (lang_output_section_statement_type): Add constraint and all_input_readonly fields. (lang_enter_output_section_statement): Adjust prototype. * ldlex.l (ONLY_IF_RO, ONLY_IF_RW): New tokens. * scripttempl/elf.sc (.eh_frame, .gcc_except_table): Move into text segment if all input sections are readonly.
Diffstat (limited to 'ld/ldgram.y')
-rw-r--r--ld/ldgram.y15
1 files changed, 11 insertions, 4 deletions
diff --git a/ld/ldgram.y b/ld/ldgram.y
index 462bd42..75f4e70 100644
--- a/ld/ldgram.y
+++ b/ld/ldgram.y
@@ -143,14 +143,14 @@ static int error_index;
%token ORIGIN FILL
%token LENGTH CREATE_OBJECT_SYMBOLS INPUT GROUP OUTPUT CONSTRUCTORS
%token ALIGNMOD AT SUBALIGN PROVIDE
-%type <token> assign_op atype attributes_opt
+%type <token> assign_op atype attributes_opt sect_constraint
%type <name> filename
%token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD ASSERT_K
%token FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE REL
%token INPUT_SCRIPT INPUT_MRI_SCRIPT INPUT_DEFSYM CASE EXTERN START
%token <name> VERS_TAG VERS_IDENTIFIER
%token GLOBAL LOCAL VERSIONK INPUT_VERSION_SCRIPT
-%token KEEP
+%token KEEP ONLY_IF_RO ONLY_IF_RW
%token EXCLUDE_FILE
%type <versyms> vers_defns
%type <versnode> vers_tag
@@ -840,22 +840,29 @@ opt_subalign:
| { $$ = 0; }
;
+sect_constraint:
+ ONLY_IF_RO { $$ = ONLY_IF_RO; }
+ | ONLY_IF_RW { $$ = ONLY_IF_RW; }
+ | { $$ = 0; }
+ ;
+
section: NAME { ldlex_expression(); }
opt_exp_with_type
opt_at
opt_subalign { ldlex_popstate (); ldlex_script (); }
+ sect_constraint
'{'
{
lang_enter_output_section_statement($1, $3,
sectype,
- 0, $5, $4);
+ 0, $5, $4, $7);
}
statement_list_opt
'}' { ldlex_popstate (); ldlex_expression (); }
memspec_opt memspec_at_opt phdr_opt fill_opt
{
ldlex_popstate ();
- lang_leave_output_section_statement ($15, $12, $14, $13);
+ lang_leave_output_section_statement ($16, $13, $15, $14);
}
opt_comma
{}