X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Femultempl%2Farmelf.em;h=b292cd13fb5ad230801b5ae684469c283c6470fc;hb=dea514f51da1051f9f3cd7a746e3b68085aa1a72;hp=beeb40c72076cb93096c867451990f7349eaebd7;hpb=e489d0aef709443ce63e0bb21e7eb18c9575d35c;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/emultempl/armelf.em b/ld/emultempl/armelf.em index beeb40c720..b292cd13fb 100644 --- a/ld/emultempl/armelf.em +++ b/ld/emultempl/armelf.em @@ -22,12 +22,14 @@ # This file is sourced from elf32.em, and defines extra arm-elf # specific routines. # +test -z $TARGET2_TYPE && TARGET2_TYPE="rel" cat >>e${EMULATION_NAME}.c <header.type == lang_input_section_enum - && !statement->input_section.ifile->just_syms_flag) + && !statement->input_section.ifile->just_syms_flag + && (statement->input_section.section->flags & SEC_EXCLUDE) == 0) { asection *i = statement->input_section.section; asection *output_section = i->output_section; ASSERT (output_section->owner == output_bfd); + /* Don't attach the interworking stubs to a dynamic object, to + an empty section, etc. */ if ((output_section->flags & SEC_HAS_CONTENTS) != 0 && (i->flags & SEC_NEVER_LOAD) == 0 + && ! (i->owner->flags & DYNAMIC) && ! i->owner->output_has_begun) { bfd_for_interwork = i->owner; @@ -118,7 +124,6 @@ arm_elf_before_allocation (void) LANG_FOR_EACH_INPUT_STATEMENT (is) { if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, & link_info, - no_pipeline_knowledge, byteswap_code)) { /* xgettext:c-format */ @@ -179,6 +184,14 @@ arm_elf_finish (void) thumb_entry_symbol); } +/* This is a convenitent point to tell BFD about target specific flags. + After the output has been created, but before inputs are read. */ +static void +arm_elf_create_output_section_statements (void) +{ + bfd_elf32_arm_set_target_relocs (&link_info, target1_is_rel, target2_type); +} + EOF # Define some shell vars to insert bits of code into the standard elf @@ -187,6 +200,9 @@ EOF PARSE_AND_LIST_PROLOGUE=' #define OPTION_THUMB_ENTRY 301 #define OPTION_BE8 302 +#define OPTION_TARGET1_REL 303 +#define OPTION_TARGET1_ABS 304 +#define OPTION_TARGET2 305 ' PARSE_AND_LIST_SHORTOPTS=p @@ -195,17 +211,22 @@ PARSE_AND_LIST_LONGOPTS=' { "no-pipeline-knowledge", no_argument, NULL, '\'p\''}, { "thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, { "be8", no_argument, NULL, OPTION_BE8}, + { "target1-rel", no_argument, NULL, OPTION_TARGET1_REL}, + { "target1-abs", no_argument, NULL, OPTION_TARGET1_ABS}, + { "target2", required_argument, NULL, OPTION_TARGET2}, ' PARSE_AND_LIST_OPTIONS=' - fprintf (file, _(" -p --no-pipeline-knowledge Stop the linker knowing about the pipeline length\n")); fprintf (file, _(" --thumb-entry= Set the entry point to be Thumb symbol \n")); fprintf (file, _(" --be8 Oputput BE8 format image\n")); + fprintf (file, _(" --target1=rel Interpret R_ARM_TARGET1 as R_ARM_REL32\n")); + fprintf (file, _(" --target1=abs Interpret R_ARM_TARGET1 as R_ARM_ABS32\n")); + fprintf (file, _(" --target2= Specify definition of R_ARM_TARGET2\n")); ' PARSE_AND_LIST_ARGS_CASES=' case '\'p\'': - no_pipeline_knowledge = 1; + /* Only here for backwards compatibility. */ break; case OPTION_THUMB_ENTRY: @@ -215,12 +236,25 @@ PARSE_AND_LIST_ARGS_CASES=' case OPTION_BE8: byteswap_code = 1; break; + + case OPTION_TARGET1_REL: + target1_is_rel = 1; + break; + + case OPTION_TARGET1_ABS: + target1_is_rel = 0; + break; + + case OPTION_TARGET2: + target2_type = optarg; + break; ' # We have our own after_open and before_allocation functions, but they call # the standard routines, so give them a different name. LDEMUL_AFTER_OPEN=arm_elf_after_open LDEMUL_BEFORE_ALLOCATION=arm_elf_before_allocation +LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=arm_elf_create_output_section_statements # Replace the elf before_parse function with our own. LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse