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* ldgram.y (sect_constraint): New.

Browse Source 
(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.
This commit is contained in:
Jakub Jelinek
2004-05-19 14:01:14 +00:00
parent f2c5032879
commit 0841712ea9
10 changed files with 174 additions and 21 deletions
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4
ld/ldlang.h
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@ -146,6 +146,8 @@ typedef struct lang_output_section_statement_struct
int subsection_alignment; /* Alignment of components. */
int section_alignment; /* Alignment of start of section. */
int constraint;
bfd_boolean all_input_readonly;
union etree_union *load_base;
@ -438,7 +440,7 @@ extern lang_output_section_statement_type *lang_enter_output_section_statement
enum section_type sectype,
etree_type *align,
etree_type *subalign,
etree_type *);
etree_type *, int);
extern void lang_final
(void);
extern void lang_process