* ld.h (lang_phase_type): Move to..
* ldexp.h: ..here. Add lang_mark_phase_enum. (node_type): Remove etree_undef and etree_unspec. (exp_data_seg): Delete. (struct ldexp_control, expld): New. (invalid, exp_mark_used_section): Delete. (exp_fold_tree, exp_get_vma, exp_get_value_int, exp_get_fill, exp_get_abs_int): Update prototypes. * ldexp.c (assigning_to_dot): Delete. (expld): Define. (make_abs): Operate directly on expld.result. Update all callers. (new_abs): Likewise. Return void. (new_rel_from_abs): Rename from new_rel_from_section. (new_rel, new_rel_from_abs): Operate on expld.result and return void. Update all callers. (fold_unary): Operate on expld.result and return void. Remove "current_section", "allocation_done", "dot", "dotp" and "mark_used" params. Update all callers. (fold_binary, fold_trinary, fold_name, exp_fold_tree_1): Likewise. (fold_unary <ALIGN_K>): Ensure alignment is absolute. (fold_unary <ABSOLUTE>): Use make_abs. (fold_unary <DATA_SEGMENT_END>): Evaluate mark_phase as for allocating_phase. (fold_binary <DATA_SEGMENT_ALIGN, DATA_SEGMENT_RELRO_END, >): Ditto. (fold_binary <'%','/'>): Don't error if marking. (fold_name <SIZEOF_HEADERS>): Don't call bfd_sizeof_headers when marking. (fold_name <NAME>): Remove FIXME; -R is handled correctly. Don't error when marking. (fold_name <ADDR, LOADADDR, SIZEOF>): Don't set SEC_KEEP. (exp_fold_tree_1): Don't error when marking. (exp_fold_tree_1 <etree_rel>): Evaluate in all phases except first. (exp_fold_tree_1 <etree_assign to dot>): Don't check for NULL current section, instead check for NULL dotp. (exp_fold_tree_1 <etree_provide>): Don't evaluate the assignment source unless the symbol is referenced and undefined. (exp_fold_tree): Remove "allocation_done" and "dot" params. Save params to expld. (exp_fold_tree_no_dot): Remove "current_section", "allocation_done and "mark_used" params. Save params to expld. Update all callers. (exp_assop): Do without temp var. (exp_print_tree <etree_undef>): Delete code. (exp_get_vma): Remove "allocation_done" param. Correct error return. (exp_get_fill, exp_get_abs_int): Likewise. (exp_get_value_int): Remove "allocation_done" param. (exp_mark_used_section): Delete. * ldgram.y (fill_exp): Update exp_get_fill call. (origin_spec, length_spec): Update exp_get_vma call. * ldlang.c (lang_init): Don't bother clearing lang_statement_iteration. (lang_mark_used_section_1, lang_mark_used_section): Delete. (strip_excluded_output_sections): Call one_lang_size_sections_pass in marking mode. Merge old lang_mark_used_section code. Correct handling of output sections with excluded input sections and data statements. Don't drop non-zero sized sections. Don't zap os->bfd_section. Do set SEC_EXCLUDE when appropriate. (print_output_section_statement): Update for changed ldexp.c interface. (print_assignment, lang_size_sections_1): Likewise. (lang_do_assignments_1, lang_enter_output_section_statement): Likewise. (lang_new_phdr, lang_record_phdrs): Likewise. (lang_size_sections): Likewise. (insert_pad): Use following statement if it is a pad, rather than creating a new one. (lang_size_sections_1 <lang_output_section_statement_enum>): Do process ignored output section to set vma and lma, but don't update dot for these sections. Don't error if marking. (lang_size_sections_1 <lang_assignment_statement_enum>): Don't update dot for ignored sections. (lang_size_sections_1 <lang_data_statement_enum>): Don't mark absolute section with SEC_ALLOC. (one_lang_size_sections_pass): New function. (lang_size_sections): Remove first five params. Set expld.phase on entry and exit. Use one_lang_size_sections_pass. (lang_do_assignments): Remove all params. Update all callers. (lang_reset_memory_regions): Clear os->processed for all output section statements. * ldlang.h (lang_do_assignments): Update prototype. (lang_size_sections): Likewise. (one_lang_size_sections_pass): Declare. * pe-dll.c (pe_dll_fill_sections, pe_exe_fill_sections): Update lang_size_sections and lang_do_assignments calls. * emultempl/elf32.em (layout_sections_again): Likewise. * emultempl/ppc64elf.em (ppc_before_allocation): Use one_lang_size_sections_pass.
This commit is contained in:
parent
0e58fcf315
commit
e9ee469ad1
87
ld/ChangeLog
87
ld/ChangeLog
@ -1,3 +1,90 @@
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2005-06-09 Alan Modra <amodra@bigpond.net.au>
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* ld.h (lang_phase_type): Move to..
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* ldexp.h: ..here. Add lang_mark_phase_enum.
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(node_type): Remove etree_undef and etree_unspec.
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(exp_data_seg): Delete.
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(struct ldexp_control, expld): New.
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(invalid, exp_mark_used_section): Delete.
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(exp_fold_tree, exp_get_vma, exp_get_value_int, exp_get_fill,
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exp_get_abs_int): Update prototypes.
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* ldexp.c (assigning_to_dot): Delete.
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(expld): Define.
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(make_abs): Operate directly on expld.result. Update all callers.
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(new_abs): Likewise. Return void.
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(new_rel_from_abs): Rename from new_rel_from_section.
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(new_rel, new_rel_from_abs): Operate on expld.result and return void.
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Update all callers.
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(fold_unary): Operate on expld.result and return void. Remove
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"current_section", "allocation_done", "dot", "dotp" and "mark_used"
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params. Update all callers.
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(fold_binary, fold_trinary, fold_name, exp_fold_tree_1): Likewise.
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(fold_unary <ALIGN_K>): Ensure alignment is absolute.
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(fold_unary <ABSOLUTE>): Use make_abs.
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(fold_unary <DATA_SEGMENT_END>): Evaluate mark_phase as for
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allocating_phase.
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(fold_binary <DATA_SEGMENT_ALIGN, DATA_SEGMENT_RELRO_END, >): Ditto.
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(fold_binary <'%','/'>): Don't error if marking.
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(fold_name <SIZEOF_HEADERS>): Don't call bfd_sizeof_headers when
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marking.
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(fold_name <NAME>): Remove FIXME; -R is handled correctly. Don't
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error when marking.
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(fold_name <ADDR, LOADADDR, SIZEOF>): Don't set SEC_KEEP.
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(exp_fold_tree_1): Don't error when marking.
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(exp_fold_tree_1 <etree_rel>): Evaluate in all phases except first.
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(exp_fold_tree_1 <etree_assign to dot>): Don't check for NULL
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current section, instead check for NULL dotp.
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(exp_fold_tree_1 <etree_provide>): Don't evaluate the assignment
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source unless the symbol is referenced and undefined.
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(exp_fold_tree): Remove "allocation_done" and "dot" params. Save
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params to expld.
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(exp_fold_tree_no_dot): Remove "current_section", "allocation_done
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and "mark_used" params. Save params to expld. Update all callers.
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(exp_assop): Do without temp var.
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(exp_print_tree <etree_undef>): Delete code.
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(exp_get_vma): Remove "allocation_done" param. Correct error return.
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(exp_get_fill, exp_get_abs_int): Likewise.
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(exp_get_value_int): Remove "allocation_done" param.
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(exp_mark_used_section): Delete.
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* ldgram.y (fill_exp): Update exp_get_fill call.
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(origin_spec, length_spec): Update exp_get_vma call.
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* ldlang.c (lang_init): Don't bother clearing lang_statement_iteration.
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(lang_mark_used_section_1, lang_mark_used_section): Delete.
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(strip_excluded_output_sections): Call one_lang_size_sections_pass in
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marking mode. Merge old lang_mark_used_section code. Correct handling
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of output sections with excluded input sections and data statements.
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Don't drop non-zero sized sections. Don't zap os->bfd_section.
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Do set SEC_EXCLUDE when appropriate.
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(print_output_section_statement): Update for changed ldexp.c
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interface.
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(print_assignment, lang_size_sections_1): Likewise.
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(lang_do_assignments_1, lang_enter_output_section_statement): Likewise.
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(lang_new_phdr, lang_record_phdrs): Likewise.
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(lang_size_sections): Likewise.
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(insert_pad): Use following statement if it is a pad, rather than
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creating a new one.
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(lang_size_sections_1 <lang_output_section_statement_enum>): Do
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process ignored output section to set vma and lma, but don't
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update dot for these sections. Don't error if marking.
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(lang_size_sections_1 <lang_assignment_statement_enum>): Don't
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update dot for ignored sections.
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(lang_size_sections_1 <lang_data_statement_enum>): Don't mark absolute
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section with SEC_ALLOC.
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(one_lang_size_sections_pass): New function.
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(lang_size_sections): Remove first five params. Set expld.phase on
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entry and exit. Use one_lang_size_sections_pass.
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(lang_do_assignments): Remove all params. Update all callers.
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(lang_reset_memory_regions): Clear os->processed for all output
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section statements.
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* ldlang.h (lang_do_assignments): Update prototype.
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(lang_size_sections): Likewise.
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(one_lang_size_sections_pass): Declare.
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* pe-dll.c (pe_dll_fill_sections, pe_exe_fill_sections): Update
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lang_size_sections and lang_do_assignments calls.
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* emultempl/elf32.em (layout_sections_again): Likewise.
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* emultempl/ppc64elf.em (ppc_before_allocation): Use
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one_lang_size_sections_pass.
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2005-06-08 Aldy Hernandez <aldyh@redhat.com>
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2005-06-08 Aldy Hernandez <aldyh@redhat.com>
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* emulparams/elf32ms1.sh: New.
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* emulparams/elf32ms1.sh: New.
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@ -1497,15 +1497,13 @@ gld${EMULATION_NAME}_layout_sections_again (void)
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lang_reset_memory_regions ();
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lang_reset_memory_regions ();
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/* Resize the sections. */
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/* Resize the sections. */
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lang_size_sections (stat_ptr->head, abs_output_section,
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lang_size_sections (NULL, TRUE);
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&stat_ptr->head, 0, (bfd_vma) 0, NULL, TRUE);
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/* Redo special stuff. */
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/* Redo special stuff. */
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ldemul_after_allocation ();
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ldemul_after_allocation ();
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/* Do the assignments again. */
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/* Do the assignments again. */
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lang_do_assignments (stat_ptr->head, abs_output_section,
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lang_do_assignments ();
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(fill_type *) 0, (bfd_vma) 0);
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}
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}
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static void
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static void
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@ -110,14 +110,14 @@ ppc_before_allocation (void)
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{
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{
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/* Size the sections. This is premature, but we want to know the
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/* Size the sections. This is premature, but we want to know the
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TLS segment layout so that certain optimizations can be done. */
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TLS segment layout so that certain optimizations can be done. */
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lang_size_sections (stat_ptr->head, abs_output_section,
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expld.phase = lang_mark_phase_enum;
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&stat_ptr->head, 0, 0, NULL, TRUE);
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expld.dataseg.phase = exp_dataseg_none;
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one_lang_size_sections_pass (NULL, TRUE);
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if (!ppc64_elf_tls_optimize (output_bfd, &link_info))
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if (!ppc64_elf_tls_optimize (output_bfd, &link_info))
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einfo ("%X%P: TLS problem %E\n");
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einfo ("%X%P: TLS problem %E\n");
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/* We must not cache anything from the preliminary sizing. */
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/* We must not cache anything from the preliminary sizing. */
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elf_tdata (output_bfd)->program_header_size = 0;
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lang_reset_memory_regions ();
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lang_reset_memory_regions ();
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}
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}
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6
ld/ld.h
6
ld/ld.h
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extern ld_config_type config;
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extern ld_config_type config;
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typedef enum {
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lang_first_phase_enum,
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lang_allocating_phase_enum,
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lang_final_phase_enum
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} lang_phase_type;
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extern FILE * saved_script_handle;
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extern FILE * saved_script_handle;
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extern bfd_boolean force_make_executable;
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extern bfd_boolean force_make_executable;
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917
ld/ldexp.c
917
ld/ldexp.c
File diff suppressed because it is too large
Load Diff
67
ld/ldexp.h
67
ld/ldexp.h
@ -40,8 +40,6 @@ typedef struct {
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etree_assign,
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etree_assign,
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etree_provide,
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etree_provide,
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etree_provided,
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etree_provided,
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etree_undef,
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etree_unspec,
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etree_value,
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etree_value,
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etree_assert,
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etree_assert,
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etree_rel
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etree_rel
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@ -91,17 +89,44 @@ typedef union etree_union {
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} assert_s;
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} assert_s;
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} etree_type;
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} etree_type;
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extern struct exp_data_seg {
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typedef enum {
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enum {
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lang_first_phase_enum,
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exp_dataseg_none,
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lang_mark_phase_enum,
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exp_dataseg_align_seen,
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lang_allocating_phase_enum,
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exp_dataseg_relro_seen,
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lang_final_phase_enum
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exp_dataseg_end_seen,
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} lang_phase_type;
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exp_dataseg_relro_adjust,
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exp_dataseg_adjust
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struct ldexp_control {
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} phase;
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/* Modify expression evaluation depending on this. */
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bfd_vma base, min_base, relro_end, end, pagesize, maxpagesize;
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lang_phase_type phase;
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} exp_data_seg;
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/* Principally used for diagnostics. */
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bfd_boolean assigning_to_dot;
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/* Working results. */
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etree_value_type result;
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bfd_vma dot;
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/* Current dot and section passed to ldexp folder. */
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bfd_vma *dotp;
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asection *section;
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/* State machine and results for DATASEG. */
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struct {
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enum {
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exp_dataseg_none,
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exp_dataseg_align_seen,
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exp_dataseg_relro_seen,
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exp_dataseg_end_seen,
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exp_dataseg_relro_adjust,
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exp_dataseg_adjust
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} phase;
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bfd_vma base, min_base, relro_end, end, pagesize, maxpagesize;
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} dataseg;
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};
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extern struct ldexp_control expld;
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/* A maps from a segment name to a base address. */
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/* A maps from a segment name to a base address. */
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typedef struct segment_struct {
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typedef struct segment_struct {
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(bfd_vma, char *);
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(bfd_vma, char *);
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etree_type *exp_relop
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etree_type *exp_relop
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(asection *, bfd_vma);
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(asection *, bfd_vma);
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etree_value_type invalid
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void exp_fold_tree
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(void);
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(etree_type *, asection *, bfd_vma *);
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etree_value_type exp_fold_tree
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(etree_type *, asection *, lang_phase_type, bfd_vma, bfd_vma *);
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etree_type *exp_binop
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etree_type *exp_binop
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(int, etree_type *, etree_type *);
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(int, etree_type *, etree_type *);
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etree_type *exp_trinop
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etree_type *exp_trinop
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@ -148,14 +171,12 @@ etree_type *exp_assert
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void exp_print_tree
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void exp_print_tree
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(etree_type *);
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(etree_type *);
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bfd_vma exp_get_vma
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bfd_vma exp_get_vma
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(etree_type *, bfd_vma, char *, lang_phase_type);
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(etree_type *, bfd_vma, char *);
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int exp_get_value_int
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int exp_get_value_int
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(etree_type *, int, char *, lang_phase_type);
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(etree_type *, int, char *);
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fill_type *exp_get_fill
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fill_type *exp_get_fill
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(etree_type *, fill_type *, char *, lang_phase_type);
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(etree_type *, fill_type *, char *);
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bfd_vma exp_get_abs_int
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bfd_vma exp_get_abs_int
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(etree_type *, int, char *, lang_phase_type);
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(etree_type *, int, char *);
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void exp_mark_used_section
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(etree_type *, asection *);
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#endif
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#endif
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19
ld/ldgram.y
19
ld/ldgram.y
@ -600,10 +600,7 @@ length:
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fill_exp:
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fill_exp:
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mustbe_exp
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mustbe_exp
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{
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{
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$$ = exp_get_fill ($1,
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$$ = exp_get_fill ($1, 0, "fill value");
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0,
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"fill value",
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lang_first_phase_enum);
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}
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}
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;
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;
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@ -681,18 +678,16 @@ memory_spec: NAME
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origin_spec:
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origin_spec:
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ORIGIN '=' mustbe_exp
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ORIGIN '=' mustbe_exp
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{ region->current =
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{
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region->origin =
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region->origin = exp_get_vma ($3, 0, "origin");
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exp_get_vma($3, 0L,"origin", lang_first_phase_enum);
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region->current = region->origin;
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}
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}
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;
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;
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length_spec:
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length_spec:
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LENGTH '=' mustbe_exp
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LENGTH '=' mustbe_exp
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{ region->length = exp_get_vma($3,
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{
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~((bfd_vma)0),
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region->length = exp_get_vma ($3, -1, "length");
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"length",
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lang_first_phase_enum);
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}
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}
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;
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;
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473
ld/ldlang.c
473
ld/ldlang.c
@ -101,6 +101,9 @@ bfd_boolean delete_output_file_on_failure = FALSE;
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struct lang_nocrossrefs *nocrossref_list;
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struct lang_nocrossrefs *nocrossref_list;
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static struct unique_sections *unique_section_list;
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static struct unique_sections *unique_section_list;
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static bfd_boolean ldlang_sysrooted_script = FALSE;
|
static bfd_boolean ldlang_sysrooted_script = FALSE;
|
||||||
|
|
||||||
|
/* Functions that traverse the linker script and might evaluate
|
||||||
|
DEFINED() need to increment this. */
|
||||||
int lang_statement_iteration = 0;
|
int lang_statement_iteration = 0;
|
||||||
|
|
||||||
etree_type *base; /* Relocation base - or null */
|
etree_type *base; /* Relocation base - or null */
|
||||||
@ -895,9 +898,6 @@ lang_init (void)
|
|||||||
if (!bfd_hash_table_init_n (&lang_definedness_table,
|
if (!bfd_hash_table_init_n (&lang_definedness_table,
|
||||||
lang_definedness_newfunc, 3))
|
lang_definedness_newfunc, 3))
|
||||||
einfo (_("%P%F: out of memory during initialization"));
|
einfo (_("%P%F: out of memory during initialization"));
|
||||||
|
|
||||||
/* Callers of exp_fold_tree need to increment this. */
|
|
||||||
lang_statement_iteration = 0;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/*----------------------------------------------------------------------
|
/*----------------------------------------------------------------------
|
||||||
@ -3044,95 +3044,6 @@ map_input_to_output_sections
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Worker function for lang_mark_used_section. Recursiveness goes
|
|
||||||
here. */
|
|
||||||
|
|
||||||
static void
|
|
||||||
lang_mark_used_section_1
|
|
||||||
(lang_statement_union_type *s,
|
|
||||||
lang_output_section_statement_type *output_section_statement)
|
|
||||||
{
|
|
||||||
for (; s != NULL; s = s->header.next)
|
|
||||||
{
|
|
||||||
switch (s->header.type)
|
|
||||||
{
|
|
||||||
case lang_constructors_statement_enum:
|
|
||||||
break;
|
|
||||||
|
|
||||||
case lang_output_section_statement_enum:
|
|
||||||
{
|
|
||||||
lang_output_section_statement_type *os;
|
|
||||||
|
|
||||||
os = &(s->output_section_statement);
|
|
||||||
if (os->bfd_section != NULL)
|
|
||||||
{
|
|
||||||
lang_mark_used_section_1 (os->children.head, os);
|
|
||||||
if (os->load_base)
|
|
||||||
exp_mark_used_section (os->load_base,
|
|
||||||
bfd_abs_section_ptr);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case lang_wild_statement_enum:
|
|
||||||
lang_mark_used_section_1 (s->wild_statement.children.head,
|
|
||||||
output_section_statement);
|
|
||||||
|
|
||||||
break;
|
|
||||||
|
|
||||||
case lang_object_symbols_statement_enum:
|
|
||||||
case lang_output_statement_enum:
|
|
||||||
case lang_target_statement_enum:
|
|
||||||
break;
|
|
||||||
case lang_data_statement_enum:
|
|
||||||
exp_mark_used_section (s->data_statement.exp,
|
|
||||||
bfd_abs_section_ptr);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case lang_reloc_statement_enum:
|
|
||||||
break;
|
|
||||||
|
|
||||||
case lang_input_section_enum:
|
|
||||||
break;
|
|
||||||
|
|
||||||
case lang_input_statement_enum:
|
|
||||||
break;
|
|
||||||
case lang_fill_statement_enum:
|
|
||||||
break;
|
|
||||||
case lang_assignment_statement_enum:
|
|
||||||
exp_mark_used_section (s->assignment_statement.exp,
|
|
||||||
output_section_statement->bfd_section);
|
|
||||||
break;
|
|
||||||
case lang_padding_statement_enum:
|
|
||||||
break;
|
|
||||||
|
|
||||||
case lang_group_statement_enum:
|
|
||||||
lang_mark_used_section_1 (s->group_statement.children.head,
|
|
||||||
output_section_statement);
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
|
||||||
FAIL ();
|
|
||||||
break;
|
|
||||||
case lang_address_statement_enum:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
lang_mark_used_section (void)
|
|
||||||
{
|
|
||||||
unsigned int gc_sections = link_info.gc_sections;
|
|
||||||
|
|
||||||
/* Callers of exp_fold_tree need to increment this. */
|
|
||||||
lang_statement_iteration++;
|
|
||||||
lang_mark_used_section_1 (statement_list.head, abs_output_section);
|
|
||||||
|
|
||||||
link_info.gc_sections = 0;
|
|
||||||
bfd_gc_sections (output_bfd, &link_info);
|
|
||||||
link_info.gc_sections = gc_sections;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* An output section might have been removed after its statement was
|
/* An output section might have been removed after its statement was
|
||||||
added. For example, ldemul_before_allocation can remove dynamic
|
added. For example, ldemul_before_allocation can remove dynamic
|
||||||
sections if they turn out to be not needed. Clean them up here. */
|
sections if they turn out to be not needed. Clean them up here. */
|
||||||
@ -3141,8 +3052,25 @@ void
|
|||||||
strip_excluded_output_sections (void)
|
strip_excluded_output_sections (void)
|
||||||
{
|
{
|
||||||
lang_output_section_statement_type *os;
|
lang_output_section_statement_type *os;
|
||||||
|
unsigned int gc_sections;
|
||||||
|
|
||||||
lang_mark_used_section ();
|
/* Run lang_size_sections (if not already done) to ensure that all
|
||||||
|
symbols defined in the linker script are put in the bfd hash
|
||||||
|
table. */
|
||||||
|
if (expld.phase != lang_mark_phase_enum)
|
||||||
|
{
|
||||||
|
expld.phase = lang_mark_phase_enum;
|
||||||
|
expld.dataseg.phase = exp_dataseg_none;
|
||||||
|
one_lang_size_sections_pass (NULL, FALSE);
|
||||||
|
lang_reset_memory_regions ();
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Now call into bfd_gc_sections to mark all sections defining global
|
||||||
|
symbols with SEC_KEEP. */
|
||||||
|
gc_sections = link_info.gc_sections;
|
||||||
|
link_info.gc_sections = 0;
|
||||||
|
bfd_gc_sections (output_bfd, &link_info);
|
||||||
|
link_info.gc_sections = gc_sections;
|
||||||
|
|
||||||
for (os = &lang_output_section_statement.head->output_section_statement;
|
for (os = &lang_output_section_statement.head->output_section_statement;
|
||||||
os != NULL;
|
os != NULL;
|
||||||
@ -3158,7 +3086,7 @@ strip_excluded_output_sections (void)
|
|||||||
if (output_section == NULL)
|
if (output_section == NULL)
|
||||||
continue;
|
continue;
|
||||||
|
|
||||||
exclude = FALSE;
|
exclude = TRUE;
|
||||||
if (output_section->map_head.s != NULL)
|
if (output_section->map_head.s != NULL)
|
||||||
{
|
{
|
||||||
asection *s;
|
asection *s;
|
||||||
@ -3166,26 +3094,25 @@ strip_excluded_output_sections (void)
|
|||||||
for (s = output_section->map_head.s; s != NULL;
|
for (s = output_section->map_head.s; s != NULL;
|
||||||
s = s->map_head.s)
|
s = s->map_head.s)
|
||||||
if ((s->flags & SEC_EXCLUDE) == 0)
|
if ((s->flags & SEC_EXCLUDE) == 0)
|
||||||
break;
|
{
|
||||||
|
exclude = FALSE;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
output_section->map_head.link_order = NULL;
|
output_section->map_head.link_order = NULL;
|
||||||
output_section->map_tail.link_order = NULL;
|
output_section->map_tail.link_order = NULL;
|
||||||
|
|
||||||
if (s == NULL)
|
|
||||||
exclude = TRUE;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
if (exclude
|
if (exclude
|
||||||
|| (output_section->linker_has_input == 0
|
&& (output_section->flags & SEC_KEEP) == 0
|
||||||
&& ((output_section->flags
|
&& output_section->rawsize == 0
|
||||||
& (SEC_KEEP | SEC_HAS_CONTENTS)) == 0)))
|
&& !bfd_is_abs_section (output_section))
|
||||||
{
|
{
|
||||||
if (exclude)
|
/* We don't set bfd_section to NULL since bfd_section of the
|
||||||
os->bfd_section = NULL;
|
removed output section statement may still be used. */
|
||||||
else
|
os->ignored = TRUE;
|
||||||
/* We don't set bfd_section to NULL since bfd_section of the
|
output_section->flags |= SEC_EXCLUDE;
|
||||||
* removed output section statement may still be used. */
|
|
||||||
os->ignored = TRUE;
|
|
||||||
if (!bfd_section_removed_from_list (output_bfd,
|
if (!bfd_section_removed_from_list (output_bfd,
|
||||||
output_section))
|
output_section))
|
||||||
{
|
{
|
||||||
@ -3234,7 +3161,7 @@ print_output_section_statement
|
|||||||
bfd_vma addr;
|
bfd_vma addr;
|
||||||
|
|
||||||
addr = exp_get_abs_int (output_section_statement->load_base, 0,
|
addr = exp_get_abs_int (output_section_statement->load_base, 0,
|
||||||
"load base", lang_final_phase_enum);
|
"load base");
|
||||||
minfo (_(" load address 0x%V"), addr);
|
minfo (_(" load address 0x%V"), addr);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
@ -3304,7 +3231,6 @@ print_assignment (lang_assignment_statement_type *assignment,
|
|||||||
bfd_boolean is_dot;
|
bfd_boolean is_dot;
|
||||||
bfd_boolean computation_is_valid = TRUE;
|
bfd_boolean computation_is_valid = TRUE;
|
||||||
etree_type *tree;
|
etree_type *tree;
|
||||||
etree_value_type result;
|
|
||||||
|
|
||||||
for (i = 0; i < SECTION_NAME_MAP_LENGTH; i++)
|
for (i = 0; i < SECTION_NAME_MAP_LENGTH; i++)
|
||||||
print_space ();
|
print_space ();
|
||||||
@ -3324,18 +3250,17 @@ print_assignment (lang_assignment_statement_type *assignment,
|
|||||||
computation_is_valid = is_dot || (scan_for_self_assignment (dst, tree) == FALSE);
|
computation_is_valid = is_dot || (scan_for_self_assignment (dst, tree) == FALSE);
|
||||||
}
|
}
|
||||||
|
|
||||||
result = exp_fold_tree (tree, output_section->bfd_section,
|
exp_fold_tree (tree, output_section->bfd_section, &print_dot);
|
||||||
lang_final_phase_enum, print_dot, &print_dot);
|
if (expld.result.valid_p)
|
||||||
if (result.valid_p)
|
|
||||||
{
|
{
|
||||||
bfd_vma value;
|
bfd_vma value;
|
||||||
|
|
||||||
if (computation_is_valid)
|
if (computation_is_valid)
|
||||||
{
|
{
|
||||||
value = result.value;
|
value = expld.result.value;
|
||||||
|
|
||||||
if (result.section)
|
if (expld.result.section)
|
||||||
value += result.section->vma;
|
value += expld.result.section->vma;
|
||||||
|
|
||||||
minfo ("0x%V", value);
|
minfo ("0x%V", value);
|
||||||
if (is_dot)
|
if (is_dot)
|
||||||
@ -3351,8 +3276,8 @@ print_assignment (lang_assignment_statement_type *assignment,
|
|||||||
{
|
{
|
||||||
value = h->u.def.value;
|
value = h->u.def.value;
|
||||||
|
|
||||||
if (result.section)
|
if (expld.result.section)
|
||||||
value += result.section->vma;
|
value += expld.result.section->vma;
|
||||||
|
|
||||||
minfo ("[0x%V]", value);
|
minfo ("[0x%V]", value);
|
||||||
}
|
}
|
||||||
@ -3821,16 +3746,22 @@ insert_pad (lang_statement_union_type **ptr,
|
|||||||
bfd_vma dot)
|
bfd_vma dot)
|
||||||
{
|
{
|
||||||
static fill_type zero_fill = { 1, { 0 } };
|
static fill_type zero_fill = { 1, { 0 } };
|
||||||
lang_statement_union_type *pad;
|
lang_statement_union_type *pad = NULL;
|
||||||
|
|
||||||
pad = ((lang_statement_union_type *)
|
if (ptr != &statement_list.head)
|
||||||
((char *) ptr - offsetof (lang_statement_union_type, header.next)));
|
pad = ((lang_statement_union_type *)
|
||||||
if (ptr != &statement_list.head
|
((char *) ptr - offsetof (lang_statement_union_type, header.next)));
|
||||||
|
if (pad != NULL
|
||||||
&& pad->header.type == lang_padding_statement_enum
|
&& pad->header.type == lang_padding_statement_enum
|
||||||
&& pad->padding_statement.output_section == output_section)
|
&& pad->padding_statement.output_section == output_section)
|
||||||
{
|
{
|
||||||
/* Use the existing pad statement. The above test on output
|
/* Use the existing pad statement. */
|
||||||
section is probably redundant, but it doesn't hurt to check. */
|
}
|
||||||
|
else if ((pad = *ptr) != NULL
|
||||||
|
&& pad->header.type == lang_padding_statement_enum
|
||||||
|
&& pad->padding_statement.output_section == output_section)
|
||||||
|
{
|
||||||
|
/* Use the existing pad statement. */
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
@ -4045,11 +3976,11 @@ lang_size_sections_1
|
|||||||
{
|
{
|
||||||
case lang_output_section_statement_enum:
|
case lang_output_section_statement_enum:
|
||||||
{
|
{
|
||||||
bfd_vma after;
|
bfd_vma newdot, after;
|
||||||
lang_output_section_statement_type *os;
|
lang_output_section_statement_type *os;
|
||||||
|
|
||||||
os = &s->output_section_statement;
|
os = &s->output_section_statement;
|
||||||
if (os->bfd_section == NULL || os->ignored)
|
if (os->bfd_section == NULL)
|
||||||
/* This section was removed or never actually created. */
|
/* This section was removed or never actually created. */
|
||||||
break;
|
break;
|
||||||
|
|
||||||
@ -4109,7 +4040,8 @@ lang_size_sections_1
|
|||||||
&& lang_memory_region_list != NULL
|
&& lang_memory_region_list != NULL
|
||||||
&& (strcmp (lang_memory_region_list->name,
|
&& (strcmp (lang_memory_region_list->name,
|
||||||
DEFAULT_MEMORY_REGION) != 0
|
DEFAULT_MEMORY_REGION) != 0
|
||||||
|| lang_memory_region_list->next != NULL))
|
|| lang_memory_region_list->next != NULL)
|
||||||
|
&& expld.phase != lang_mark_phase_enum)
|
||||||
{
|
{
|
||||||
/* By default this is an error rather than just a
|
/* By default this is an error rather than just a
|
||||||
warning because if we allocate the section to the
|
warning because if we allocate the section to the
|
||||||
@ -4132,80 +4064,80 @@ lang_size_sections_1
|
|||||||
os->bfd_section));
|
os->bfd_section));
|
||||||
}
|
}
|
||||||
|
|
||||||
dot = os->region->current;
|
newdot = os->region->current;
|
||||||
|
|
||||||
if (os->section_alignment == -1)
|
if (os->section_alignment == -1)
|
||||||
{
|
{
|
||||||
bfd_vma olddot;
|
bfd_vma savedot = newdot;
|
||||||
|
newdot = align_power (newdot,
|
||||||
|
os->bfd_section->alignment_power);
|
||||||
|
|
||||||
olddot = dot;
|
if (newdot != savedot
|
||||||
dot = align_power (dot,
|
&& config.warn_section_align
|
||||||
os->bfd_section->alignment_power);
|
&& expld.phase != lang_mark_phase_enum)
|
||||||
|
|
||||||
if (dot != olddot && config.warn_section_align)
|
|
||||||
einfo (_("%P: warning: changing start of section"
|
einfo (_("%P: warning: changing start of section"
|
||||||
" %s by %u bytes\n"),
|
" %s by %lu bytes\n"),
|
||||||
os->name, (unsigned int) (dot - olddot));
|
os->name, (unsigned long) (newdot - savedot));
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
etree_value_type r;
|
newdot = dot;
|
||||||
|
|
||||||
os->processed = -1;
|
os->processed = -1;
|
||||||
r = exp_fold_tree (os->addr_tree,
|
exp_fold_tree (os->addr_tree, bfd_abs_section_ptr,
|
||||||
bfd_abs_section_ptr,
|
&newdot);
|
||||||
lang_allocating_phase_enum,
|
|
||||||
dot, &dot);
|
|
||||||
os->processed = 0;
|
os->processed = 0;
|
||||||
|
|
||||||
if (!r.valid_p)
|
if (!expld.result.valid_p
|
||||||
|
&& expld.phase != lang_mark_phase_enum)
|
||||||
einfo (_("%F%S: non constant or forward reference"
|
einfo (_("%F%S: non constant or forward reference"
|
||||||
" address expression for section %s\n"),
|
" address expression for section %s\n"),
|
||||||
os->name);
|
os->name);
|
||||||
|
|
||||||
dot = r.value + r.section->vma;
|
newdot = expld.result.value + expld.result.section->vma;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* The section starts here.
|
/* The section starts here.
|
||||||
First, align to what the section needs. */
|
First, align to what the section needs. */
|
||||||
|
|
||||||
if (os->section_alignment != -1)
|
if (os->section_alignment != -1)
|
||||||
dot = align_power (dot, os->section_alignment);
|
newdot = align_power (newdot, os->section_alignment);
|
||||||
|
|
||||||
bfd_set_section_vma (0, os->bfd_section, dot);
|
bfd_set_section_vma (0, os->bfd_section, newdot);
|
||||||
|
|
||||||
os->bfd_section->output_offset = 0;
|
os->bfd_section->output_offset = 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
lang_size_sections_1 (os->children.head, os, &os->children.head,
|
lang_size_sections_1 (os->children.head, os, &os->children.head,
|
||||||
os->fill, dot, relax, check_regions);
|
os->fill, newdot, relax, check_regions);
|
||||||
|
|
||||||
|
os->processed = 1;
|
||||||
|
|
||||||
|
if (bfd_is_abs_section (os->bfd_section) || os->ignored)
|
||||||
|
{
|
||||||
|
ASSERT (os->bfd_section->size == 0);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
dot = os->bfd_section->vma;
|
||||||
|
|
||||||
/* Put the section within the requested block size, or
|
/* Put the section within the requested block size, or
|
||||||
align at the block boundary. */
|
align at the block boundary. */
|
||||||
after = ((os->bfd_section->vma
|
after = ((dot
|
||||||
+ TO_ADDR (os->bfd_section->size)
|
+ TO_ADDR (os->bfd_section->size)
|
||||||
+ os->block_value - 1)
|
+ os->block_value - 1)
|
||||||
& - (bfd_vma) os->block_value);
|
& - (bfd_vma) os->block_value);
|
||||||
|
|
||||||
if (bfd_is_abs_section (os->bfd_section))
|
os->bfd_section->size = TO_SIZE (after - os->bfd_section->vma);
|
||||||
ASSERT (after == os->bfd_section->vma);
|
|
||||||
else
|
|
||||||
os->bfd_section->size
|
|
||||||
= TO_SIZE (after - os->bfd_section->vma);
|
|
||||||
|
|
||||||
dot = os->bfd_section->vma;
|
|
||||||
/* .tbss sections effectively have zero size. */
|
/* .tbss sections effectively have zero size. */
|
||||||
if ((os->bfd_section->flags & SEC_HAS_CONTENTS) != 0
|
if ((os->bfd_section->flags & SEC_HAS_CONTENTS) != 0
|
||||||
|| (os->bfd_section->flags & SEC_THREAD_LOCAL) == 0
|
|| (os->bfd_section->flags & SEC_THREAD_LOCAL) == 0
|
||||||
|| link_info.relocatable)
|
|| link_info.relocatable)
|
||||||
dot += TO_ADDR (os->bfd_section->size);
|
dot += TO_ADDR (os->bfd_section->size);
|
||||||
|
|
||||||
os->processed = 1;
|
|
||||||
|
|
||||||
if (os->update_dot_tree != 0)
|
if (os->update_dot_tree != 0)
|
||||||
exp_fold_tree (os->update_dot_tree, bfd_abs_section_ptr,
|
exp_fold_tree (os->update_dot_tree, bfd_abs_section_ptr, &dot);
|
||||||
lang_allocating_phase_enum, dot, &dot);
|
|
||||||
|
|
||||||
/* Update dot in the region ?
|
/* Update dot in the region ?
|
||||||
We only do this if the section is going to be allocated,
|
We only do this if the section is going to be allocated,
|
||||||
@ -4263,8 +4195,7 @@ lang_size_sections_1
|
|||||||
|
|
||||||
/* We might refer to provided symbols in the expression, and
|
/* We might refer to provided symbols in the expression, and
|
||||||
need to mark them as needed. */
|
need to mark them as needed. */
|
||||||
exp_fold_tree (s->data_statement.exp, bfd_abs_section_ptr,
|
exp_fold_tree (s->data_statement.exp, bfd_abs_section_ptr, &dot);
|
||||||
lang_allocating_phase_enum, dot, &dot);
|
|
||||||
|
|
||||||
switch (s->data_statement.type)
|
switch (s->data_statement.type)
|
||||||
{
|
{
|
||||||
@ -4306,21 +4237,21 @@ lang_size_sections_1
|
|||||||
break;
|
break;
|
||||||
|
|
||||||
case lang_wild_statement_enum:
|
case lang_wild_statement_enum:
|
||||||
|
|
||||||
dot = lang_size_sections_1 (s->wild_statement.children.head,
|
dot = lang_size_sections_1 (s->wild_statement.children.head,
|
||||||
output_section_statement,
|
output_section_statement,
|
||||||
&s->wild_statement.children.head,
|
&s->wild_statement.children.head,
|
||||||
fill, dot, relax, check_regions);
|
fill, dot, relax, check_regions);
|
||||||
|
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case lang_object_symbols_statement_enum:
|
case lang_object_symbols_statement_enum:
|
||||||
link_info.create_object_symbols_section =
|
link_info.create_object_symbols_section =
|
||||||
output_section_statement->bfd_section;
|
output_section_statement->bfd_section;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case lang_output_statement_enum:
|
case lang_output_statement_enum:
|
||||||
case lang_target_statement_enum:
|
case lang_target_statement_enum:
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case lang_input_section_enum:
|
case lang_input_section_enum:
|
||||||
{
|
{
|
||||||
asection *i;
|
asection *i;
|
||||||
@ -4339,25 +4270,26 @@ lang_size_sections_1
|
|||||||
output_section_statement->fill, dot);
|
output_section_statement->fill, dot);
|
||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case lang_input_statement_enum:
|
case lang_input_statement_enum:
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case lang_fill_statement_enum:
|
case lang_fill_statement_enum:
|
||||||
s->fill_statement.output_section =
|
s->fill_statement.output_section =
|
||||||
output_section_statement->bfd_section;
|
output_section_statement->bfd_section;
|
||||||
|
|
||||||
fill = s->fill_statement.fill;
|
fill = s->fill_statement.fill;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case lang_assignment_statement_enum:
|
case lang_assignment_statement_enum:
|
||||||
{
|
{
|
||||||
bfd_vma newdot = dot;
|
bfd_vma newdot = dot;
|
||||||
|
|
||||||
exp_fold_tree (s->assignment_statement.exp,
|
exp_fold_tree (s->assignment_statement.exp,
|
||||||
output_section_statement->bfd_section,
|
output_section_statement->bfd_section,
|
||||||
lang_allocating_phase_enum,
|
|
||||||
dot,
|
|
||||||
&newdot);
|
&newdot);
|
||||||
|
|
||||||
if (newdot != dot)
|
if (newdot != dot && !output_section_statement->ignored)
|
||||||
{
|
{
|
||||||
if (output_section_statement == abs_output_section)
|
if (output_section_statement == abs_output_section)
|
||||||
{
|
{
|
||||||
@ -4376,15 +4308,15 @@ lang_size_sections_1
|
|||||||
|
|
||||||
/* Don't neuter the pad below when relaxing. */
|
/* Don't neuter the pad below when relaxing. */
|
||||||
s = s->header.next;
|
s = s->header.next;
|
||||||
|
|
||||||
|
/* If dot is advanced, this implies that the section
|
||||||
|
should have space allocated to it, unless the
|
||||||
|
user has explicitly stated that the section
|
||||||
|
should never be loaded. */
|
||||||
|
if (!(output_section_statement->flags
|
||||||
|
& (SEC_NEVER_LOAD | SEC_ALLOC)))
|
||||||
|
output_section_statement->bfd_section->flags |= SEC_ALLOC;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* If dot is advanced, this implies that the section should
|
|
||||||
have space allocated to it, unless the user has explicitly
|
|
||||||
stated that the section should never be loaded. */
|
|
||||||
if (!(output_section_statement->flags
|
|
||||||
& (SEC_NEVER_LOAD | SEC_ALLOC)))
|
|
||||||
output_section_statement->bfd_section->flags |= SEC_ALLOC;
|
|
||||||
|
|
||||||
dot = newdot;
|
dot = newdot;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
@ -4427,47 +4359,43 @@ lang_size_sections_1
|
|||||||
return dot;
|
return dot;
|
||||||
}
|
}
|
||||||
|
|
||||||
bfd_vma
|
void
|
||||||
lang_size_sections
|
one_lang_size_sections_pass (bfd_boolean *relax, bfd_boolean check_regions)
|
||||||
(lang_statement_union_type *s,
|
|
||||||
lang_output_section_statement_type *output_section_statement,
|
|
||||||
lang_statement_union_type **prev,
|
|
||||||
fill_type *fill,
|
|
||||||
bfd_vma dot,
|
|
||||||
bfd_boolean *relax,
|
|
||||||
bfd_boolean check_regions)
|
|
||||||
{
|
{
|
||||||
bfd_vma result;
|
|
||||||
|
|
||||||
/* Callers of exp_fold_tree need to increment this. */
|
|
||||||
lang_statement_iteration++;
|
lang_statement_iteration++;
|
||||||
|
lang_size_sections_1 (statement_list.head, abs_output_section,
|
||||||
|
&statement_list.head, 0, 0, relax, check_regions);
|
||||||
|
}
|
||||||
|
|
||||||
exp_data_seg.phase = exp_dataseg_none;
|
void
|
||||||
result = lang_size_sections_1 (s, output_section_statement, prev, fill,
|
lang_size_sections (bfd_boolean *relax, bfd_boolean check_regions)
|
||||||
dot, relax, check_regions);
|
{
|
||||||
if (exp_data_seg.phase == exp_dataseg_end_seen
|
expld.phase = lang_allocating_phase_enum;
|
||||||
&& link_info.relro && exp_data_seg.relro_end)
|
expld.dataseg.phase = exp_dataseg_none;
|
||||||
|
|
||||||
|
one_lang_size_sections_pass (relax, check_regions);
|
||||||
|
if (expld.dataseg.phase == exp_dataseg_end_seen
|
||||||
|
&& link_info.relro && expld.dataseg.relro_end)
|
||||||
{
|
{
|
||||||
/* If DATA_SEGMENT_ALIGN DATA_SEGMENT_RELRO_END pair was seen, try
|
/* If DATA_SEGMENT_ALIGN DATA_SEGMENT_RELRO_END pair was seen, try
|
||||||
to put exp_data_seg.relro on a (common) page boundary. */
|
to put expld.dataseg.relro on a (common) page boundary. */
|
||||||
bfd_vma old_min_base, relro_end, maxpage;
|
bfd_vma old_min_base, relro_end, maxpage;
|
||||||
|
|
||||||
exp_data_seg.phase = exp_dataseg_relro_adjust;
|
expld.dataseg.phase = exp_dataseg_relro_adjust;
|
||||||
old_min_base = exp_data_seg.min_base;
|
old_min_base = expld.dataseg.min_base;
|
||||||
maxpage = exp_data_seg.maxpagesize;
|
maxpage = expld.dataseg.maxpagesize;
|
||||||
exp_data_seg.base += (-exp_data_seg.relro_end
|
expld.dataseg.base += (-expld.dataseg.relro_end
|
||||||
& (exp_data_seg.pagesize - 1));
|
& (expld.dataseg.pagesize - 1));
|
||||||
/* Compute the expected PT_GNU_RELRO segment end. */
|
/* Compute the expected PT_GNU_RELRO segment end. */
|
||||||
relro_end = (exp_data_seg.relro_end + exp_data_seg.pagesize - 1)
|
relro_end = (expld.dataseg.relro_end + expld.dataseg.pagesize - 1)
|
||||||
& ~(exp_data_seg.pagesize - 1);
|
& ~(expld.dataseg.pagesize - 1);
|
||||||
if (old_min_base + maxpage < exp_data_seg.base)
|
if (old_min_base + maxpage < expld.dataseg.base)
|
||||||
{
|
{
|
||||||
exp_data_seg.base -= maxpage;
|
expld.dataseg.base -= maxpage;
|
||||||
relro_end -= maxpage;
|
relro_end -= maxpage;
|
||||||
}
|
}
|
||||||
result = lang_size_sections_1 (s, output_section_statement, prev, fill,
|
one_lang_size_sections_pass (relax, check_regions);
|
||||||
dot, relax, check_regions);
|
if (expld.dataseg.relro_end > relro_end)
|
||||||
if (exp_data_seg.relro_end > relro_end)
|
|
||||||
{
|
{
|
||||||
/* The alignment of sections between DATA_SEGMENT_ALIGN
|
/* The alignment of sections between DATA_SEGMENT_ALIGN
|
||||||
and DATA_SEGMENT_RELRO_END caused huge padding to be
|
and DATA_SEGMENT_RELRO_END caused huge padding to be
|
||||||
@ -4478,46 +4406,42 @@ lang_size_sections
|
|||||||
/* Find maximum alignment power of sections between
|
/* Find maximum alignment power of sections between
|
||||||
DATA_SEGMENT_ALIGN and DATA_SEGMENT_RELRO_END. */
|
DATA_SEGMENT_ALIGN and DATA_SEGMENT_RELRO_END. */
|
||||||
for (sec = output_bfd->sections; sec; sec = sec->next)
|
for (sec = output_bfd->sections; sec; sec = sec->next)
|
||||||
if (sec->vma >= exp_data_seg.base
|
if (sec->vma >= expld.dataseg.base
|
||||||
&& sec->vma < exp_data_seg.relro_end
|
&& sec->vma < expld.dataseg.relro_end
|
||||||
&& sec->alignment_power > max_alignment_power)
|
&& sec->alignment_power > max_alignment_power)
|
||||||
max_alignment_power = sec->alignment_power;
|
max_alignment_power = sec->alignment_power;
|
||||||
|
|
||||||
if (((bfd_vma) 1 << max_alignment_power) < exp_data_seg.pagesize)
|
if (((bfd_vma) 1 << max_alignment_power) < expld.dataseg.pagesize)
|
||||||
{
|
{
|
||||||
if (exp_data_seg.base - (1 << max_alignment_power)
|
if (expld.dataseg.base - (1 << max_alignment_power)
|
||||||
< old_min_base)
|
< old_min_base)
|
||||||
exp_data_seg.base += exp_data_seg.pagesize;
|
expld.dataseg.base += expld.dataseg.pagesize;
|
||||||
exp_data_seg.base -= (1 << max_alignment_power);
|
expld.dataseg.base -= (1 << max_alignment_power);
|
||||||
result = lang_size_sections_1 (s, output_section_statement,
|
one_lang_size_sections_pass (relax, check_regions);
|
||||||
prev, fill, dot, relax,
|
|
||||||
check_regions);
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
link_info.relro_start = exp_data_seg.base;
|
link_info.relro_start = expld.dataseg.base;
|
||||||
link_info.relro_end = exp_data_seg.relro_end;
|
link_info.relro_end = expld.dataseg.relro_end;
|
||||||
}
|
}
|
||||||
else if (exp_data_seg.phase == exp_dataseg_end_seen)
|
else if (expld.dataseg.phase == exp_dataseg_end_seen)
|
||||||
{
|
{
|
||||||
/* If DATA_SEGMENT_ALIGN DATA_SEGMENT_END pair was seen, check whether
|
/* If DATA_SEGMENT_ALIGN DATA_SEGMENT_END pair was seen, check whether
|
||||||
a page could be saved in the data segment. */
|
a page could be saved in the data segment. */
|
||||||
bfd_vma first, last;
|
bfd_vma first, last;
|
||||||
|
|
||||||
first = -exp_data_seg.base & (exp_data_seg.pagesize - 1);
|
first = -expld.dataseg.base & (expld.dataseg.pagesize - 1);
|
||||||
last = exp_data_seg.end & (exp_data_seg.pagesize - 1);
|
last = expld.dataseg.end & (expld.dataseg.pagesize - 1);
|
||||||
if (first && last
|
if (first && last
|
||||||
&& ((exp_data_seg.base & ~(exp_data_seg.pagesize - 1))
|
&& ((expld.dataseg.base & ~(expld.dataseg.pagesize - 1))
|
||||||
!= (exp_data_seg.end & ~(exp_data_seg.pagesize - 1)))
|
!= (expld.dataseg.end & ~(expld.dataseg.pagesize - 1)))
|
||||||
&& first + last <= exp_data_seg.pagesize)
|
&& first + last <= expld.dataseg.pagesize)
|
||||||
{
|
{
|
||||||
exp_data_seg.phase = exp_dataseg_adjust;
|
expld.dataseg.phase = exp_dataseg_adjust;
|
||||||
lang_statement_iteration++;
|
one_lang_size_sections_pass (relax, check_regions);
|
||||||
result = lang_size_sections_1 (s, output_section_statement, prev,
|
|
||||||
fill, dot, relax, check_regions);
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
return result;
|
expld.phase = lang_final_phase_enum;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Worker function for lang_do_assignments. Recursiveness goes here. */
|
/* Worker function for lang_do_assignments. Recursiveness goes here. */
|
||||||
@ -4562,36 +4486,31 @@ lang_do_assignments_1
|
|||||||
if (os->bfd_section && !os->ignored)
|
if (os->bfd_section && !os->ignored)
|
||||||
{
|
{
|
||||||
os->bfd_section->lma
|
os->bfd_section->lma
|
||||||
= exp_get_abs_int (os->load_base, 0, "load base",
|
= exp_get_abs_int (os->load_base, 0, "load base");
|
||||||
lang_final_phase_enum);
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case lang_wild_statement_enum:
|
case lang_wild_statement_enum:
|
||||||
|
|
||||||
dot = lang_do_assignments_1 (s->wild_statement.children.head,
|
dot = lang_do_assignments_1 (s->wild_statement.children.head,
|
||||||
output_section_statement,
|
output_section_statement,
|
||||||
fill, dot);
|
fill, dot);
|
||||||
|
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case lang_object_symbols_statement_enum:
|
case lang_object_symbols_statement_enum:
|
||||||
case lang_output_statement_enum:
|
case lang_output_statement_enum:
|
||||||
case lang_target_statement_enum:
|
case lang_target_statement_enum:
|
||||||
break;
|
break;
|
||||||
case lang_data_statement_enum:
|
|
||||||
{
|
|
||||||
etree_value_type value;
|
|
||||||
|
|
||||||
value = exp_fold_tree (s->data_statement.exp,
|
case lang_data_statement_enum:
|
||||||
bfd_abs_section_ptr,
|
exp_fold_tree (s->data_statement.exp, bfd_abs_section_ptr, &dot);
|
||||||
lang_final_phase_enum, dot, &dot);
|
if (expld.result.valid_p)
|
||||||
if (!value.valid_p)
|
s->data_statement.value = (expld.result.value
|
||||||
einfo (_("%F%P: invalid data statement\n"));
|
+ expld.result.section->vma);
|
||||||
s->data_statement.value
|
else
|
||||||
= value.value + value.section->vma;
|
einfo (_("%F%P: invalid data statement\n"));
|
||||||
}
|
|
||||||
{
|
{
|
||||||
unsigned int size;
|
unsigned int size;
|
||||||
switch (s->data_statement.type)
|
switch (s->data_statement.type)
|
||||||
@ -4619,16 +4538,12 @@ lang_do_assignments_1
|
|||||||
break;
|
break;
|
||||||
|
|
||||||
case lang_reloc_statement_enum:
|
case lang_reloc_statement_enum:
|
||||||
{
|
exp_fold_tree (s->reloc_statement.addend_exp,
|
||||||
etree_value_type value;
|
bfd_abs_section_ptr, &dot);
|
||||||
|
if (expld.result.valid_p)
|
||||||
value = exp_fold_tree (s->reloc_statement.addend_exp,
|
s->reloc_statement.addend_value = expld.result.value;
|
||||||
bfd_abs_section_ptr,
|
else
|
||||||
lang_final_phase_enum, dot, &dot);
|
einfo (_("%F%P: invalid reloc statement\n"));
|
||||||
s->reloc_statement.addend_value = value.value;
|
|
||||||
if (!value.valid_p)
|
|
||||||
einfo (_("%F%P: invalid reloc statement\n"));
|
|
||||||
}
|
|
||||||
dot += TO_ADDR (bfd_get_reloc_size (s->reloc_statement.howto));
|
dot += TO_ADDR (bfd_get_reloc_size (s->reloc_statement.howto));
|
||||||
break;
|
break;
|
||||||
|
|
||||||
@ -4643,19 +4558,17 @@ lang_do_assignments_1
|
|||||||
|
|
||||||
case lang_input_statement_enum:
|
case lang_input_statement_enum:
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case lang_fill_statement_enum:
|
case lang_fill_statement_enum:
|
||||||
fill = s->fill_statement.fill;
|
fill = s->fill_statement.fill;
|
||||||
break;
|
break;
|
||||||
case lang_assignment_statement_enum:
|
|
||||||
{
|
|
||||||
exp_fold_tree (s->assignment_statement.exp,
|
|
||||||
output_section_statement->bfd_section,
|
|
||||||
lang_final_phase_enum,
|
|
||||||
dot,
|
|
||||||
&dot);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
case lang_assignment_statement_enum:
|
||||||
|
exp_fold_tree (s->assignment_statement.exp,
|
||||||
|
output_section_statement->bfd_section,
|
||||||
|
&dot);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case lang_padding_statement_enum:
|
case lang_padding_statement_enum:
|
||||||
dot += TO_ADDR (s->padding_statement.size);
|
dot += TO_ADDR (s->padding_statement.size);
|
||||||
break;
|
break;
|
||||||
@ -4664,30 +4577,24 @@ lang_do_assignments_1
|
|||||||
dot = lang_do_assignments_1 (s->group_statement.children.head,
|
dot = lang_do_assignments_1 (s->group_statement.children.head,
|
||||||
output_section_statement,
|
output_section_statement,
|
||||||
fill, dot);
|
fill, dot);
|
||||||
|
|
||||||
break;
|
break;
|
||||||
|
|
||||||
default:
|
default:
|
||||||
FAIL ();
|
FAIL ();
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case lang_address_statement_enum:
|
case lang_address_statement_enum:
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
return dot;
|
return dot;
|
||||||
}
|
}
|
||||||
|
|
||||||
void
|
void
|
||||||
lang_do_assignments
|
lang_do_assignments (void)
|
||||||
(lang_statement_union_type *s,
|
|
||||||
lang_output_section_statement_type *output_section_statement,
|
|
||||||
fill_type *fill,
|
|
||||||
bfd_vma dot)
|
|
||||||
{
|
{
|
||||||
/* Callers of exp_fold_tree need to increment this. */
|
|
||||||
lang_statement_iteration++;
|
lang_statement_iteration++;
|
||||||
lang_do_assignments_1 (s, output_section_statement, fill, dot);
|
lang_do_assignments_1 (statement_list.head, abs_output_section, NULL, 0);
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Fix any .startof. or .sizeof. symbols. When the assemblers see the
|
/* Fix any .startof. or .sizeof. symbols. When the assemblers see the
|
||||||
@ -5227,9 +5134,9 @@ lang_enter_output_section_statement (const char *output_section_statement_name,
|
|||||||
stat_ptr = &os->children;
|
stat_ptr = &os->children;
|
||||||
|
|
||||||
os->subsection_alignment =
|
os->subsection_alignment =
|
||||||
topower (exp_get_value_int (subalign, -1, "subsection alignment", 0));
|
topower (exp_get_value_int (subalign, -1, "subsection alignment"));
|
||||||
os->section_alignment =
|
os->section_alignment =
|
||||||
topower (exp_get_value_int (align, -1, "section alignment", 0));
|
topower (exp_get_value_int (align, -1, "section alignment"));
|
||||||
|
|
||||||
os->load_base = ebase;
|
os->load_base = ebase;
|
||||||
return os;
|
return os;
|
||||||
@ -5251,6 +5158,7 @@ lang_reset_memory_regions (void)
|
|||||||
{
|
{
|
||||||
lang_memory_region_type *p = lang_memory_region_list;
|
lang_memory_region_type *p = lang_memory_region_list;
|
||||||
asection *o;
|
asection *o;
|
||||||
|
lang_output_section_statement_type *os;
|
||||||
|
|
||||||
for (p = lang_memory_region_list; p != NULL; p = p->next)
|
for (p = lang_memory_region_list; p != NULL; p = p->next)
|
||||||
{
|
{
|
||||||
@ -5258,6 +5166,11 @@ lang_reset_memory_regions (void)
|
|||||||
p->current = p->origin;
|
p->current = p->origin;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
for (os = &lang_output_section_statement.head->output_section_statement;
|
||||||
|
os != NULL;
|
||||||
|
os = os->next)
|
||||||
|
os->processed = 0;
|
||||||
|
|
||||||
for (o = output_bfd->sections; o != NULL; o = o->next)
|
for (o = output_bfd->sections; o != NULL; o = o->next)
|
||||||
{
|
{
|
||||||
/* Save the last size for possible use by bfd_relax_section. */
|
/* Save the last size for possible use by bfd_relax_section. */
|
||||||
@ -5444,9 +5357,7 @@ lang_process (void)
|
|||||||
lang_record_phdrs ();
|
lang_record_phdrs ();
|
||||||
|
|
||||||
/* Size up the sections. */
|
/* Size up the sections. */
|
||||||
lang_size_sections (statement_list.head, abs_output_section,
|
lang_size_sections (NULL, !command_line.relax);
|
||||||
&statement_list.head, 0, 0, NULL,
|
|
||||||
command_line.relax ? FALSE : TRUE);
|
|
||||||
|
|
||||||
/* Now run around and relax if we can. */
|
/* Now run around and relax if we can. */
|
||||||
if (command_line.relax)
|
if (command_line.relax)
|
||||||
@ -5464,8 +5375,7 @@ lang_process (void)
|
|||||||
|
|
||||||
/* Do all the assignments with our current guesses as to
|
/* Do all the assignments with our current guesses as to
|
||||||
section sizes. */
|
section sizes. */
|
||||||
lang_do_assignments (statement_list.head, abs_output_section,
|
lang_do_assignments ();
|
||||||
NULL, 0);
|
|
||||||
|
|
||||||
/* We must do this after lang_do_assignments, because it uses
|
/* We must do this after lang_do_assignments, because it uses
|
||||||
size. */
|
size. */
|
||||||
@ -5473,8 +5383,7 @@ lang_process (void)
|
|||||||
|
|
||||||
/* Perform another relax pass - this time we know where the
|
/* Perform another relax pass - this time we know where the
|
||||||
globals are, so can make a better guess. */
|
globals are, so can make a better guess. */
|
||||||
lang_size_sections (statement_list.head, abs_output_section,
|
lang_size_sections (&relax_again, FALSE);
|
||||||
&statement_list.head, 0, 0, &relax_again, FALSE);
|
|
||||||
|
|
||||||
/* If the normal relax is done and the relax finalize pass
|
/* If the normal relax is done and the relax finalize pass
|
||||||
is not performed yet, we perform another relax pass. */
|
is not performed yet, we perform another relax pass. */
|
||||||
@ -5487,10 +5396,9 @@ lang_process (void)
|
|||||||
while (relax_again);
|
while (relax_again);
|
||||||
|
|
||||||
/* Final extra sizing to report errors. */
|
/* Final extra sizing to report errors. */
|
||||||
lang_do_assignments (statement_list.head, abs_output_section, NULL, 0);
|
lang_do_assignments ();
|
||||||
lang_reset_memory_regions ();
|
lang_reset_memory_regions ();
|
||||||
lang_size_sections (statement_list.head, abs_output_section,
|
lang_size_sections (NULL, TRUE);
|
||||||
&statement_list.head, 0, 0, NULL, TRUE);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/* See if anything special should be done now we know how big
|
/* See if anything special should be done now we know how big
|
||||||
@ -5503,7 +5411,7 @@ lang_process (void)
|
|||||||
/* Do all the assignments, now that we know the final resting places
|
/* Do all the assignments, now that we know the final resting places
|
||||||
of all the symbols. */
|
of all the symbols. */
|
||||||
|
|
||||||
lang_do_assignments (statement_list.head, abs_output_section, NULL, 0);
|
lang_do_assignments ();
|
||||||
|
|
||||||
/* Make sure that the section addresses make sense. */
|
/* Make sure that the section addresses make sense. */
|
||||||
if (! link_info.relocatable
|
if (! link_info.relocatable
|
||||||
@ -5891,8 +5799,7 @@ lang_new_phdr (const char *name,
|
|||||||
n = stat_alloc (sizeof (struct lang_phdr));
|
n = stat_alloc (sizeof (struct lang_phdr));
|
||||||
n->next = NULL;
|
n->next = NULL;
|
||||||
n->name = name;
|
n->name = name;
|
||||||
n->type = exp_get_value_int (type, 0, "program header type",
|
n->type = exp_get_value_int (type, 0, "program header type");
|
||||||
lang_final_phase_enum);
|
|
||||||
n->filehdr = filehdr;
|
n->filehdr = filehdr;
|
||||||
n->phdrs = phdrs;
|
n->phdrs = phdrs;
|
||||||
n->at = at;
|
n->at = at;
|
||||||
@ -5968,14 +5875,12 @@ lang_record_phdrs (void)
|
|||||||
if (l->flags == NULL)
|
if (l->flags == NULL)
|
||||||
flags = 0;
|
flags = 0;
|
||||||
else
|
else
|
||||||
flags = exp_get_vma (l->flags, 0, "phdr flags",
|
flags = exp_get_vma (l->flags, 0, "phdr flags");
|
||||||
lang_final_phase_enum);
|
|
||||||
|
|
||||||
if (l->at == NULL)
|
if (l->at == NULL)
|
||||||
at = 0;
|
at = 0;
|
||||||
else
|
else
|
||||||
at = exp_get_vma (l->at, 0, "phdr load address",
|
at = exp_get_vma (l->at, 0, "phdr load address");
|
||||||
lang_final_phase_enum);
|
|
||||||
|
|
||||||
if (! bfd_record_phdr (output_bfd, l->type,
|
if (! bfd_record_phdr (output_bfd, l->type,
|
||||||
l->flags != NULL, flags, l->at != NULL,
|
l->flags != NULL, flags, l->at != NULL,
|
||||||
|
11
ld/ldlang.h
11
ld/ldlang.h
@ -509,8 +509,7 @@ extern void lang_for_each_file
|
|||||||
extern void lang_reset_memory_regions
|
extern void lang_reset_memory_regions
|
||||||
(void);
|
(void);
|
||||||
extern void lang_do_assignments
|
extern void lang_do_assignments
|
||||||
(lang_statement_union_type *, lang_output_section_statement_type *,
|
(void);
|
||||||
fill_type *, bfd_vma);
|
|
||||||
|
|
||||||
#define LANG_FOR_EACH_INPUT_STATEMENT(statement) \
|
#define LANG_FOR_EACH_INPUT_STATEMENT(statement) \
|
||||||
lang_input_statement_type *statement; \
|
lang_input_statement_type *statement; \
|
||||||
@ -556,10 +555,10 @@ extern void strip_excluded_output_sections
|
|||||||
(void);
|
(void);
|
||||||
extern void dprint_statement
|
extern void dprint_statement
|
||||||
(lang_statement_union_type *, int);
|
(lang_statement_union_type *, int);
|
||||||
extern bfd_vma lang_size_sections
|
extern void lang_size_sections
|
||||||
(lang_statement_union_type *, lang_output_section_statement_type *,
|
(bfd_boolean *, bfd_boolean);
|
||||||
lang_statement_union_type **, fill_type *, bfd_vma, bfd_boolean *,
|
extern void one_lang_size_sections_pass
|
||||||
bfd_boolean);
|
(bfd_boolean *, bfd_boolean);
|
||||||
extern void lang_enter_group
|
extern void lang_enter_group
|
||||||
(void);
|
(void);
|
||||||
extern void lang_leave_group
|
extern void lang_leave_group
|
||||||
|
10
ld/pe-dll.c
10
ld/pe-dll.c
@ -2636,14 +2636,13 @@ pe_dll_fill_sections (bfd *abfd, struct bfd_link_info *info)
|
|||||||
bfd_set_section_size (filler_bfd, reloc_s, reloc_sz);
|
bfd_set_section_size (filler_bfd, reloc_s, reloc_sz);
|
||||||
|
|
||||||
/* Resize the sections. */
|
/* Resize the sections. */
|
||||||
lang_size_sections (stat_ptr->head, abs_output_section,
|
lang_size_sections (NULL, TRUE);
|
||||||
&stat_ptr->head, 0, 0, NULL, TRUE);
|
|
||||||
|
|
||||||
/* Redo special stuff. */
|
/* Redo special stuff. */
|
||||||
ldemul_after_allocation ();
|
ldemul_after_allocation ();
|
||||||
|
|
||||||
/* Do the assignments again. */
|
/* Do the assignments again. */
|
||||||
lang_do_assignments (stat_ptr->head, abs_output_section, NULL, 0);
|
lang_do_assignments ();
|
||||||
}
|
}
|
||||||
|
|
||||||
fill_edata (abfd, info);
|
fill_edata (abfd, info);
|
||||||
@ -2667,14 +2666,13 @@ pe_exe_fill_sections (bfd *abfd, struct bfd_link_info *info)
|
|||||||
bfd_set_section_size (filler_bfd, reloc_s, reloc_sz);
|
bfd_set_section_size (filler_bfd, reloc_s, reloc_sz);
|
||||||
|
|
||||||
/* Resize the sections. */
|
/* Resize the sections. */
|
||||||
lang_size_sections (stat_ptr->head, abs_output_section,
|
lang_size_sections (NULL, TRUE);
|
||||||
&stat_ptr->head, 0, 0, NULL, TRUE);
|
|
||||||
|
|
||||||
/* Redo special stuff. */
|
/* Redo special stuff. */
|
||||||
ldemul_after_allocation ();
|
ldemul_after_allocation ();
|
||||||
|
|
||||||
/* Do the assignments again. */
|
/* Do the assignments again. */
|
||||||
lang_do_assignments (stat_ptr->head, abs_output_section, NULL, 0);
|
lang_do_assignments ();
|
||||||
}
|
}
|
||||||
reloc_s->contents = reloc_d;
|
reloc_s->contents = reloc_d;
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user