gas/
2004-12-15 Jan Beulich <jbeulich@novell.com> * config/obj-elf.c (obj_elf_change_section): Only set type and attributes on new sections. Emit warning when type of re-declared section doesn't match. gas/testsuite/ 2004-12-15 Jan Beulich <jbeulich@novell.com> * gas/elf/section5.[els]: New.
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Jan Beulich
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@ -1,3 +1,9 @@
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2004-12-15 Jan Beulich <jbeulich@novell.com>
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* config/obj-elf.c (obj_elf_change_section): Only set type and
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attributes on new sections. Emit warning when type of re-declared
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section doesn't match.
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2004-12-15 Jan Beulich <jbeulich@novell.com>
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* dw2gencfi.c (dot.cfi.startproc): Clear cur_cfa_offset so
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@ -622,11 +622,6 @@ obj_elf_change_section (const char *name,
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attr |= ssect->attr;
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}
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if (type != SHT_NULL)
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elf_section_type (sec) = type;
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if (attr != 0)
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elf_section_flags (sec) = attr;
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/* Convert ELF type and flags to BFD flags. */
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flags = (SEC_RELOC
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| ((attr & SHF_WRITE) ? 0 : SEC_READONLY)
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@ -647,6 +642,9 @@ obj_elf_change_section (const char *name,
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{
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symbolS *secsym;
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elf_section_type (sec) = type;
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elf_section_flags (sec) = attr;
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/* Prevent SEC_HAS_CONTENTS from being inadvertently set. */
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if (type == SHT_NOBITS)
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seg_info (sec)->bss = 1;
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@ -663,19 +661,26 @@ obj_elf_change_section (const char *name,
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else
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symbol_table_insert (section_symbol (sec));
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}
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else if (attr != 0)
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else
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{
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/* If section attributes are specified the second time we see a
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particular section, then check that they are the same as we
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saw the first time. */
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if (((old_sec->flags ^ flags)
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& (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
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| SEC_EXCLUDE | SEC_SORT_ENTRIES | SEC_MERGE | SEC_STRINGS
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| SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD
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| SEC_THREAD_LOCAL)))
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as_warn (_("ignoring changed section attributes for %s"), name);
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if ((flags & SEC_MERGE) && old_sec->entsize != (unsigned) entsize)
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as_warn (_("ignoring changed section entity size for %s"), name);
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if (type != SHT_NULL
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&& (unsigned) type != elf_section_type (old_sec))
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as_warn (_("ignoring changed section type for %s"), name);
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if (attr != 0)
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{
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/* If section attributes are specified the second time we see a
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particular section, then check that they are the same as we
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saw the first time. */
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if (((old_sec->flags ^ flags)
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& (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
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| SEC_EXCLUDE | SEC_SORT_ENTRIES | SEC_MERGE | SEC_STRINGS
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| SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD
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| SEC_THREAD_LOCAL)))
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as_warn (_("ignoring changed section attributes for %s"), name);
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if ((flags & SEC_MERGE) && old_sec->entsize != (unsigned) entsize)
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as_warn (_("ignoring changed section entity size for %s"), name);
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}
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}
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#ifdef md_elf_section_change_hook
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@ -1,3 +1,7 @@
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2004-12-15 Jan Beulich <jbeulich@novell.com>
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* gas/elf/section5.[els]: New.
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2004-12-13 Richard Sandiford <rsandifo@redhat.com>
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* gas/mips/elf-rel25.d, gas/mips/elf-rel25a.d: Cope with different
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@ -2,7 +2,7 @@
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# elf tests
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#
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proc run_list_test { name suffix opts readelf_pipe } {
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proc run_list_test { name suffix opts readelf_opts readelf_pipe } {
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global READELF
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global srcdir subdir
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set testname "elf $name list"
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@ -14,8 +14,8 @@ proc run_list_test { name suffix opts readelf_pipe } {
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verbose "output is [file_contents "dump.out"]" 2
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return
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}
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send_log "$READELF -s dump.o > dump.out\n"
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catch "exec $READELF -s dump.o $readelf_pipe > dump.out\n" comp_output
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send_log "$READELF $readelf_opts dump.o $readelf_pipe > dump.out\n"
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catch "exec $READELF $readelf_opts dump.o $readelf_pipe > dump.out\n" comp_output
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if ![string match "" $comp_output] then {
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send_log "$comp_output\n"
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fail $testname
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@ -57,9 +57,10 @@ if { ([istarget "*-*-*elf*"]
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run_dump_test "group1b"
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run_dump_test "section0"
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run_dump_test "section1"
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run_list_test "section2" "$target_machine" "-al" ""
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run_dump_test "section3"
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run_list_test "section2" "$target_machine" "-al" "-s" ""
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run_dump_test "section3"
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run_dump_test "section4"
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run_list_test "section5" "" "-al" "-SW" "| grep \"\\\\.test\\\[\\\[:digit:\\\]\\\]\""
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run_dump_test "symver"
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run_list_test "type" "" "" "| grep \"1 \\\[FONT\\\]\""
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run_list_test "type" "" "" "-s" "| grep \"1 \\\[FONT\\\]\""
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}
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@ -0,0 +1,8 @@
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.* \.test0[ ]+PROGBITS[ ]+([[:xdigit:]]+[ ]+){4}[ ]+[[:digit:]]+.*
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.* \.test1[ ]+PROGBITS[ ]+([[:xdigit:]]+[ ]+){4}[ ]+[[:digit:]]+.*
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.* \.rela?\.test1[ ]+RELA?[ ]+.*
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.* \.test2[ ]+PROGBITS[ ]+([[:xdigit:]]+[ ]+){4}[ ]+[[:digit:]]+.*
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.* \.rela?\.test2[ ]+RELA?[ ]+.*
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.* \.test3[ ]+PROGBITS[ ]+([[:xdigit:]]+[ ]+){4}WA[ ]+[[:digit:]]+.*
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.* \.rela?\.test3[ ]+RELA?[ ]+.*
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.* \.test4[ ]+NOBITS[ ]+([[:xdigit:]]+[ ]+){4}WA[ ]+[[:digit:]]+.*
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@ -0,0 +1,37 @@
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.*: Assembler messages:
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.*:7: Warning: .*
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.*:7: Warning: .*
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.*:10: Warning: .*
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.*:13: Warning: .*
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.*:16: Warning: .*
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.*:18: Warning: .*
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.*:20: Warning: .*
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.*:22: Warning: .*
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.*:24: Warning: .*
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.*GAS.*
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[ ]+[[:digit:]]+[ ]+.section[ ]+.test0[ ]*
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[ ]+[[:digit:]]+[ ]+.section[ ]+.test1,[ ]*"",[ ]*@progbits[ ]*
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[ ]+[[:digit:]]+[ ]+.section[ ]+.test2[ ]*
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[ ]+[[:digit:]]+[ ]+.section[ ]+.test3,[ ]*"aw"[ ]*
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[ ]+[[:digit:]]+[ ]+.section[ ]+.test4,[ ]*"aw",[ ]*@nobits[ ]*
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[ ]+[[:digit:]]+[ ]*
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[ ]+[[:digit:]]+[ ]+.section[ ]+.test1,[ ]*"aw",[ ]*@nobits[ ]*
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[ ]+[[:digit:]]+[ ]+.*
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[ ]+[[:digit:]]+[ ]*
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[ ]+[[:digit:]]+[ ]+.section[ ]+.test2,[ ]*"w"[ ]*
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[ ]+[[:digit:]]+[ ]+.*
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[ ]+[[:digit:]]+[ ]*
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[ ]+[[:digit:]]+[ ]+.section[ ]+.test3,[ ]*"aw",[ ]*@progbits[ ]*
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[ ]+[[:digit:]]+[ ]+.*
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[ ]+[[:digit:]]+[ ]*
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[ ]+[[:digit:]]+[ ]+.section[ ]+.test4,[ ]*"aw"[ ]*
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[ ]+[[:digit:]]+[ ]*
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[ ]+[[:digit:]]+[ ]+.section[ ]+.data,[ ]*"a"[ ]*
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[ ]+[[:digit:]]+[ ]*
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[ ]+[[:digit:]]+[ ]+.section[ ]+.bss,[ ]*"a"[ ]*
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[ ]+[[:digit:]]+[ ]*
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[ ]+[[:digit:]]+[ ]+.section[ ]+.data,[ ]*"aw",[ ]*@nobits[ ]*
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[ ]+[[:digit:]]+[ ]*
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[ ]+[[:digit:]]+[ ]+.section[ ]+.bss,[ ]*"aw",[ ]*@progbits[ ]*
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@ -0,0 +1,24 @@
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.section .test0
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.section .test1, "", @progbits
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.section .test2
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.section .test3, "aw"
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.section .test4, "aw", @nobits
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.section .test1, "aw", @nobits
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test1: .long test1
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.section .test2, "w"
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test2: .long test2
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.section .test3, "aw", @progbits
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test3: .long test3
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.section .test4, "aw"
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.section .data, "a"
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.section .bss, "a"
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.section .data, "aw", @nobits
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.section .bss, "aw", @progbits
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