diff options
Diffstat (limited to 'ld')
34 files changed, 381 insertions, 79 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index 309bb3a..dcfc602 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,5 +1,51 @@ 2017-06-13 H.J. Lu <hongjiu.lu@intel.com> + PR ld/20022 + PR ld/21557 + PR ld/21562 + PR ld/21571 + * ld.texinfo: Update __start_SECNAME/__stop_SECNAME symbols. + * ldlang.c (lang_insert_orphan): Move handling of __start_SECNAME + and __stop_SECNAME symbols to ... + (lang_set_startof): Here. Also define __start_SECNAME and + __stop_SECNAME for -Ur. + * emultempl/elf32.em (gld${EMULATION_NAME}_after_open): Mark + referenced __start_SECNAME and __stop_SECNAME symbols as hidden + and set start_stop for garbage collection. + * testsuite/ld-elf/pr21562a.d: New file. + * testsuite/ld-elf/pr21562a.s: Likewise. + * testsuite/ld-elf/pr21562a.t: Likewise. + * testsuite/ld-elf/pr21562b.d: Likewise. + * testsuite/ld-elf/pr21562b.s: Likewise. + * testsuite/ld-elf/pr21562b.t: Likewise. + * testsuite/ld-elf/pr21562c.d: Likewise. + * testsuite/ld-elf/pr21562c.t: Likewise. + * testsuite/ld-elf/pr21562d.d: Likewise. + * testsuite/ld-elf/pr21562d.t: Likewise. + * testsuite/ld-elf/pr21562e.d: Likewise. + * testsuite/ld-elf/pr21562f.d: Likewise. + * testsuite/ld-elf/pr21562g.d: Likewise. + * testsuite/ld-elf/pr21562h.d: Likewise. + * testsuite/ld-elf/pr21562i.d: Likewise. + * testsuite/ld-elf/pr21562j.d: Likewise. + * testsuite/ld-elf/pr21562k.d: Likewise. + * testsuite/ld-elf/pr21562l.d: Likewise. + * testsuite/ld-elf/pr21562m.d: Likewise. + * testsuite/ld-elf/pr21562n.d: Likewise. + * testsuite/ld-gc/pr20022.d: Likewise. + * testsuite/ld-gc/pr20022a.s: Likewise. + * testsuite/ld-gc/pr20022b.s: Likewise. + * testsuite/ld-gc/gc.exp: Run PR ld/20022 tests. + * testsuite/ld-gc/pr19161.d: Also accept local __start_SECNAME + symbol. + * testsuite/ld-gc/start.d: Likewise. + * testsuite/ld-x86-64/lea1a.d: Updated. + * testsuite/ld-x86-64/lea1b.d: Updated. + * testsuite/ld-x86-64/lea1d.d: Updated. + * testsuite/ld-x86-64/lea1e.d: Likewise. + +2017-06-13 H.J. Lu <hongjiu.lu@intel.com> + * testsuite/ld-elf/sizeof.d: New file. * testsuite/ld-elf/sizeof.s: Likewise. * testsuite/ld-elf/startof.d: Likewise. diff --git a/ld/emultempl/elf32.em b/ld/emultempl/elf32.em index 0260b7a..9468f7d 100644 --- a/ld/emultempl/elf32.em +++ b/ld/emultempl/elf32.em @@ -1216,6 +1216,9 @@ gld${EMULATION_NAME}_after_open (void) { struct bfd_link_needed_list *needed, *l; struct elf_link_hash_table *htab; + asection *s; + bfd *abfd; + char leading_char; after_open_default (); @@ -1239,8 +1242,6 @@ gld${EMULATION_NAME}_after_open (void) if (emit_note_gnu_build_id != NULL) { - bfd *abfd; - /* Find an ELF input. */ for (abfd = link_info.input_bfds; abfd != (bfd *) NULL; abfd = abfd->link.next) @@ -1276,11 +1277,66 @@ gld${EMULATION_NAME}_after_open (void) return; } + leading_char = bfd_get_symbol_leading_char (link_info.output_bfd); + + /* Check for input sections whose names match references to + __start_SECNAME or __stop_SECNAME symbols. Mark the matched + symbols as hidden and set start_stop for garbage collection. */ + for (abfd = link_info.input_bfds; abfd; abfd = abfd->link.next) + for (s = abfd->sections; s; s = s->next) + { + const char *name = bfd_get_section_name (abfd, s); + const char *ps; + + for (ps = name; *ps != '\0'; ps++) + if (!ISALNUM ((unsigned char) *ps) && *ps != '_') + break; + if (*ps == '\0') + { + struct elf_link_hash_entry *h; + char *symbol = (char *) xmalloc (ps - name + + sizeof "__start_" + 1); + + symbol[0] = leading_char; + sprintf (symbol + (leading_char != 0), "__start_%s", name); + h = elf_link_hash_lookup (elf_hash_table (&link_info), + symbol, FALSE, FALSE, TRUE); + if (h != NULL + && (h->root.type == bfd_link_hash_undefined + || h->root.type == bfd_link_hash_undefweak) + && h->u2.start_stop_section == NULL) + { + h->start_stop = 1; + h->u2.start_stop_section = s; + _bfd_elf_link_hash_hide_symbol (&link_info, h, TRUE); + if (ELF_ST_VISIBILITY (h->other) != STV_INTERNAL) + h->other = ((h->other & ~ELF_ST_VISIBILITY (-1)) + | STV_HIDDEN); + } + + symbol[0] = leading_char; + sprintf (symbol + (leading_char != 0), "__stop_%s", name); + h = elf_link_hash_lookup (elf_hash_table (&link_info), + symbol, FALSE, FALSE, TRUE); + if (h != NULL + && (h->root.type == bfd_link_hash_undefined + || h->root.type == bfd_link_hash_undefweak) + && h->u2.start_stop_section == NULL) + { + h->start_stop = 1; + h->u2.start_stop_section = s; + _bfd_elf_link_hash_hide_symbol (&link_info, h, TRUE); + if (ELF_ST_VISIBILITY (h->other) != STV_INTERNAL) + h->other = ((h->other & ~ELF_ST_VISIBILITY (-1)) + | STV_HIDDEN); + } + } + } + if (!link_info.traditional_format) { - bfd *abfd, *elfbfd = NULL; + bfd *elfbfd = NULL; bfd_boolean warn_eh_frame = FALSE; - asection *s; int seen_type = 0; for (abfd = link_info.input_bfds; abfd; abfd = abfd->link.next) diff --git a/ld/ld.texinfo b/ld/ld.texinfo index 790b52f..44ad84b 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -4657,6 +4657,14 @@ SECTIONS @{ @end group @end smallexample +If an output section's name is the same as the input section's name +and is representable as a C identifier, then the linker will +automatically @pxref{PROVIDE} two symbols: __start_SECNAME and +__stop_SECNAME, where SECNAME is the name of the section. These +indicate the start address and end address of the output section +respectively. Note: most section names are not representable as +C identifiers because they contain a @samp{.} character. + @node Output Section Data @subsection Output Section Data @cindex data @@ -5841,14 +5849,6 @@ The command line options @samp{--orphan-handling} and @samp{--unique} (@pxref{Options,,Command Line Options}) can be used to control which output sections an orphan is placed in. -If an orphaned section's name is representable as a C identifier then -the linker will automatically @pxref{PROVIDE} two symbols: -__start_SECNAME and __stop_SECNAME, where SECNAME is the name of the -section. These indicate the start address and end address of the -orphaned section respectively. Note: most section names are not -representable as C identifiers because they contain a @samp{.} -character. - @node Location Counter @subsection The Location Counter @kindex . diff --git a/ld/ldlang.c b/ld/ldlang.c index 252400b..f8e4f52 100644 --- a/ld/ldlang.c +++ b/ld/ldlang.c @@ -1829,8 +1829,6 @@ lang_insert_orphan (asection *s, lang_statement_list_type *add_child) { lang_statement_list_type add; - const char *ps; - lang_assignment_statement_type *start_assign; lang_output_section_statement_type *os; lang_output_section_statement_type **os_tail; @@ -1852,29 +1850,6 @@ lang_insert_orphan (asection *s, os = lang_enter_output_section_statement (secname, address, normal_section, NULL, NULL, NULL, constraint, 0); - ps = NULL; - start_assign = NULL; - if (config.build_constructors && *os_tail == os) - { - /* If the name of the section is representable in C, then create - symbols to mark the start and the end of the section. */ - for (ps = secname; *ps != '\0'; ps++) - if (!ISALNUM ((unsigned char) *ps) && *ps != '_') - break; - if (*ps == '\0') - { - char *symname; - - symname = (char *) xmalloc (ps - secname + sizeof "__start_" + 1); - symname[0] = bfd_get_symbol_leading_char (link_info.output_bfd); - sprintf (symname + (symname[0] != 0), "__start_%s", secname); - start_assign - = lang_add_assignment (exp_provide (symname, - exp_nameop (NAME, "."), - FALSE)); - } - } - if (add_child == NULL) add_child = &os->children; lang_add_section (add_child, s, NULL, os); @@ -1894,27 +1869,6 @@ lang_insert_orphan (asection *s, lang_leave_output_section_statement (NULL, DEFAULT_MEMORY_REGION, NULL, NULL); - if (start_assign != NULL) - { - char *symname; - lang_assignment_statement_type *stop_assign; - bfd_vma dot; - - symname = (char *) xmalloc (ps - secname + sizeof "__stop_" + 1); - symname[0] = bfd_get_symbol_leading_char (link_info.output_bfd); - sprintf (symname + (symname[0] != 0), "__stop_%s", secname); - stop_assign - = lang_add_assignment (exp_provide (symname, - exp_nameop (NAME, "."), - FALSE)); - /* Evaluate the expression to define the symbol if referenced, - before sizing dynamic sections. */ - dot = os->bfd_section->vma; - exp_fold_tree (start_assign->exp, os->bfd_section, &dot); - dot += TO_ADDR (s->size); - exp_fold_tree (stop_assign->exp, os->bfd_section, &dot); - } - /* Restore the global list pointer. */ if (after != NULL) pop_stat_ptr (); @@ -5924,20 +5878,25 @@ section_for_dot (void) return bfd_abs_section_ptr; } -/* Fix any .startof. or .sizeof. symbols. When the assemblers see the - operator .startof. (section_name), it produces an undefined symbol - .startof.section_name. Similarly, when it sees +/* Fix any .startof., .sizeof., __start or __stop symbols. When the + assemblers see the operator .startof. (section_name), it produces + an undefined symbol .startof.section_name. Similarly, when it sees .sizeof. (section_name), it produces an undefined symbol - .sizeof.section_name. For all the output sections, we look for - such symbols, and set them to the correct value. */ + .sizeof.section_name. Also for ELF linker, __start_XXX or __stop_XXX + symbols should be resolved to the start and end of section XXX. For + all the output sections, we look for such symbols, and set them to + the correct value. */ static void lang_set_startof (void) { asection *s; + char leading_char; + bfd_boolean is_elf = (bfd_get_flavour (link_info.output_bfd) + == bfd_target_elf_flavour); + bfd_boolean is_elocatable = bfd_link_relocatable (&link_info); - if (bfd_link_relocatable (&link_info)) - return; + leading_char = bfd_get_symbol_leading_char (link_info.output_bfd); for (s = link_info.output_bfd->sections; s != NULL; s = s->next) { @@ -5948,24 +5907,58 @@ lang_set_startof (void) secname = bfd_get_section_name (link_info.output_bfd, s); buf = (char *) xmalloc (10 + strlen (secname)); - sprintf (buf, ".startof.%s", secname); - h = bfd_link_hash_lookup (link_info.hash, buf, FALSE, FALSE, TRUE); - if (h != NULL && h->type == bfd_link_hash_undefined) + if (!is_elocatable) + { + sprintf (buf, ".startof.%s", secname); + h = bfd_link_hash_lookup (link_info.hash, buf, FALSE, FALSE, + TRUE); + if (h != NULL && h->type == bfd_link_hash_undefined) + { + h->type = bfd_link_hash_defined; + h->u.def.value = 0; + h->u.def.section = s; + } + + sprintf (buf, ".sizeof.%s", secname); + h = bfd_link_hash_lookup (link_info.hash, buf, FALSE, FALSE, + TRUE); + if (h != NULL && h->type == bfd_link_hash_undefined) + { + h->type = bfd_link_hash_defined; + h->u.def.value = TO_ADDR (s->size); + h->u.def.section = bfd_abs_section_ptr; + } + } + + buf[0] = leading_char; + sprintf (buf + (buf[0] != 0), "__start_%s", secname); + h = bfd_link_hash_lookup (link_info.hash, buf, FALSE, FALSE, + TRUE); + if (h != NULL + && (h->type == bfd_link_hash_undefined + || h->type == bfd_link_hash_undefweak)) { h->type = bfd_link_hash_defined; h->u.def.value = 0; h->u.def.section = s; + if (is_elf) + ((struct elf_link_hash_entry *) h)->def_regular = 1; } - sprintf (buf, ".sizeof.%s", secname); - h = bfd_link_hash_lookup (link_info.hash, buf, FALSE, FALSE, TRUE); - if (h != NULL && h->type == bfd_link_hash_undefined) + buf[0] = leading_char; + sprintf (buf + (buf[0] != 0), "__stop_%s", secname); + h = bfd_link_hash_lookup (link_info.hash, buf, FALSE, FALSE, + TRUE); + if (h != NULL + && (h->type == bfd_link_hash_undefined + || h->type == bfd_link_hash_undefweak)) { h->type = bfd_link_hash_defined; h->u.def.value = TO_ADDR (s->size); - h->u.def.section = bfd_abs_section_ptr; + h->u.def.section = s; + if (is_elf) + ((struct elf_link_hash_entry *) h)->def_regular = 1; } - free (buf); } } diff --git a/ld/testsuite/ld-elf/pr21562a.d b/ld/testsuite/ld-elf/pr21562a.d new file mode 100644 index 0000000..009dcfc --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562a.d @@ -0,0 +1,9 @@ +#ld: -shared -z defs --gc-sections +#readelf: -s -S --wide +#target: *-*-linux* *-*-gnu* + +#... + \[[ 0-9]+\] scnfoo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +0*10[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__start_scnfoo +#pass diff --git a/ld/testsuite/ld-elf/pr21562a.s b/ld/testsuite/ld-elf/pr21562a.s new file mode 100644 index 0000000..ec36da4 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562a.s @@ -0,0 +1,8 @@ + .section scnfoo,"aw",%progbits + .zero 0x10 + + .globl bar + .data + .type bar, %object +bar: + .dc.a __start_scnfoo diff --git a/ld/testsuite/ld-elf/pr21562a.t b/ld/testsuite/ld-elf/pr21562a.t new file mode 100644 index 0000000..5e05ab3 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562a.t @@ -0,0 +1,3 @@ +SECTIONS { + scnfoo : { *(scnfoo) } +} diff --git a/ld/testsuite/ld-elf/pr21562b.d b/ld/testsuite/ld-elf/pr21562b.d new file mode 100644 index 0000000..a03dbad --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562b.d @@ -0,0 +1,9 @@ +#ld: -shared -z defs --gc-sections +#readelf: -s -S --wide +#target: *-*-linux* *-*-gnu* + +#... + \[[ 0-9]+\] scnfoo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +0*10[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__stop_scnfoo +#pass diff --git a/ld/testsuite/ld-elf/pr21562b.s b/ld/testsuite/ld-elf/pr21562b.s new file mode 100644 index 0000000..1732ee2 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562b.s @@ -0,0 +1,8 @@ + .section scnfoo,"aw",%progbits + .zero 0x10 + + .globl bar + .data + .type bar, %object +bar: + .dc.a __stop_scnfoo diff --git a/ld/testsuite/ld-elf/pr21562b.t b/ld/testsuite/ld-elf/pr21562b.t new file mode 100644 index 0000000..b30b521 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562b.t @@ -0,0 +1,5 @@ +SECTIONS { + PROVIDE (__start_scnfoo = .); + scnfoo : { *(scnfoo) } + PROVIDE (__stop_scnfoo = .); +} diff --git a/ld/testsuite/ld-elf/pr21562c.d b/ld/testsuite/ld-elf/pr21562c.d new file mode 100644 index 0000000..9de035f --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562c.d @@ -0,0 +1,10 @@ +#source: pr21562a.s +#ld: -shared -z defs --gc-sections -T pr21562a.t +#readelf: -s -S --wide +#target: *-*-linux* *-*-gnu* + +#... + \[[ 0-9]+\] scnfoo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +0*10[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__start_scnfoo +#pass diff --git a/ld/testsuite/ld-elf/pr21562c.t b/ld/testsuite/ld-elf/pr21562c.t new file mode 100644 index 0000000..f9cb901 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562c.t @@ -0,0 +1,7 @@ +SECTIONS { + .foo : { + PROVIDE (__start_scnfoo = .); + *(scnfoo) + PROVIDE (__stop_scnfoo = .); + } +} diff --git a/ld/testsuite/ld-elf/pr21562d.d b/ld/testsuite/ld-elf/pr21562d.d new file mode 100644 index 0000000..e5344ef --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562d.d @@ -0,0 +1,10 @@ +#source: pr21562b.s +#ld: -shared -z defs --gc-sections -T pr21562a.t +#readelf: -s -S --wide +#target: *-*-linux* *-*-gnu* + +#... + \[[ 0-9]+\] scnfoo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +0*10[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__stop_scnfoo +#pass diff --git a/ld/testsuite/ld-elf/pr21562d.t b/ld/testsuite/ld-elf/pr21562d.t new file mode 100644 index 0000000..c0cea61 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562d.t @@ -0,0 +1,5 @@ +SECTIONS { + PROVIDE (__start_scnfoo = .); + .foo : { *(scnfoo) } + PROVIDE (__stop_scnfoo = .); +} diff --git a/ld/testsuite/ld-elf/pr21562e.d b/ld/testsuite/ld-elf/pr21562e.d new file mode 100644 index 0000000..afaf7e5 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562e.d @@ -0,0 +1,10 @@ +#source: pr21562a.s +#ld: -shared -z defs +#readelf: -s -S --wide +#target: *-*-linux* *-*-gnu* + +#... + \[[ 0-9]+\] scnfoo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +0*10[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__start_scnfoo +#pass diff --git a/ld/testsuite/ld-elf/pr21562f.d b/ld/testsuite/ld-elf/pr21562f.d new file mode 100644 index 0000000..b9c324a --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562f.d @@ -0,0 +1,10 @@ +#source: pr21562b.s +#ld: -shared -z defs +#readelf: -s -S --wide +#target: *-*-linux* *-*-gnu* + +#... + \[[ 0-9]+\] scnfoo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +0*10[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__stop_scnfoo +#pass diff --git a/ld/testsuite/ld-elf/pr21562g.d b/ld/testsuite/ld-elf/pr21562g.d new file mode 100644 index 0000000..a813594 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562g.d @@ -0,0 +1,10 @@ +#source: pr21562a.s +#ld: -shared -z defs -T pr21562a.t +#readelf: -s -S --wide +#target: *-*-linux* *-*-gnu* + +#... + \[[ 0-9]+\] scnfoo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +0*10[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__start_scnfoo +#pass diff --git a/ld/testsuite/ld-elf/pr21562h.d b/ld/testsuite/ld-elf/pr21562h.d new file mode 100644 index 0000000..6adabd7 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562h.d @@ -0,0 +1,10 @@ +#source: pr21562b.s +#ld: -shared -z defs -T pr21562a.t +#readelf: -s -S --wide +#target: *-*-linux* *-*-gnu* + +#... + \[[ 0-9]+\] scnfoo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +0*10[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__stop_scnfoo +#pass diff --git a/ld/testsuite/ld-elf/pr21562i.d b/ld/testsuite/ld-elf/pr21562i.d new file mode 100644 index 0000000..49eb2ec --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562i.d @@ -0,0 +1,10 @@ +#source: pr21562a.s +#ld: -shared -z defs --gc-sections -T pr21562b.t +#readelf: -s -S --wide +#target: *-*-linux* *-*-gnu* + +#... + \[[ 0-9]+\] scnfoo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +0*10[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__start_scnfoo +#pass diff --git a/ld/testsuite/ld-elf/pr21562j.d b/ld/testsuite/ld-elf/pr21562j.d new file mode 100644 index 0000000..14bb035 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562j.d @@ -0,0 +1,10 @@ +#source: pr21562b.s +#ld: -shared -z defs --gc-sections -T pr21562b.t +#readelf: -s -S --wide +#target: *-*-linux* *-*-gnu* + +#... + \[[ 0-9]+\] scnfoo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +0*10[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__stop_scnfoo +#pass diff --git a/ld/testsuite/ld-elf/pr21562k.d b/ld/testsuite/ld-elf/pr21562k.d new file mode 100644 index 0000000..1bf1e93 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562k.d @@ -0,0 +1,10 @@ +#source: pr21562a.s +#ld: -shared -z defs --gc-sections -T pr21562c.t +#readelf: -s -S --wide +#target: *-*-linux* *-*-gnu* + +#... + \[[ 0-9]+\] \.foo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +0*10[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__start_scnfoo +#pass diff --git a/ld/testsuite/ld-elf/pr21562l.d b/ld/testsuite/ld-elf/pr21562l.d new file mode 100644 index 0000000..8297ec2 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562l.d @@ -0,0 +1,10 @@ +#source: pr21562b.s +#ld: -shared -z defs --gc-sections -T pr21562c.t +#readelf: -s -S --wide +#target: *-*-linux* *-*-gnu* + +#... + \[[ 0-9]+\] \.foo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +0*10[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__stop_scnfoo +#pass diff --git a/ld/testsuite/ld-elf/pr21562m.d b/ld/testsuite/ld-elf/pr21562m.d new file mode 100644 index 0000000..34f8df0 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562m.d @@ -0,0 +1,10 @@ +#source: pr21562a.s +#ld: -shared -z defs --gc-sections -T pr21562d.t +#readelf: -s -S --wide +#target: *-*-linux* *-*-gnu* + +#... + \[[ 0-9]+\] \.foo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +0*10[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__start_scnfoo +#pass diff --git a/ld/testsuite/ld-elf/pr21562n.d b/ld/testsuite/ld-elf/pr21562n.d new file mode 100644 index 0000000..e4b1919 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21562n.d @@ -0,0 +1,10 @@ +#source: pr21562b.s +#ld: -shared -z defs --gc-sections -T pr21562d.t +#readelf: -s -S --wide +#target: *-*-linux* *-*-gnu* + +#... + \[[ 0-9]+\] \.foo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +0*10[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__stop_scnfoo +#pass diff --git a/ld/testsuite/ld-gc/gc.exp b/ld/testsuite/ld-gc/gc.exp index ba5c46b..364c73b 100644 --- a/ld/testsuite/ld-gc/gc.exp +++ b/ld/testsuite/ld-gc/gc.exp @@ -119,6 +119,12 @@ if { [is_elf_format] && [check_shared_lib_support] } then { run_dump_test "personality" } run_dump_test "pr18223" + if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/pr20022a.s tmpdir/pr20022a.o] + || ![ld_link $ld tmpdir/pr20022.so "-shared --gc-sections tmpdir/pr20022a.o"] } then { + fail pr20022 + } else { + run_dump_test "pr20022" + } } if { [is_remote host] || [which $CC] != 0 } { diff --git a/ld/testsuite/ld-gc/pr19161.d b/ld/testsuite/ld-gc/pr19161.d index c36e663..baee8da 100644 --- a/ld/testsuite/ld-gc/pr19161.d +++ b/ld/testsuite/ld-gc/pr19161.d @@ -6,5 +6,5 @@ #xfail: mips64vr-*-* msp430-*-* powerpc*-*-eabivle rl78-*-* rx-*-* sh*-*-* #... -0*[1-9a-f]+[0-9a-f]*[ ](D)[ ]_*__start_my_section +0*[1-9a-f]+[0-9a-f]*[ ](d|D)[ ]_*__start_my_section #... diff --git a/ld/testsuite/ld-gc/pr20022.d b/ld/testsuite/ld-gc/pr20022.d new file mode 100644 index 0000000..b51ec19 --- /dev/null +++ b/ld/testsuite/ld-gc/pr20022.d @@ -0,0 +1,11 @@ +#source: pr20022b.s +#ld: --gc-sections -e _start tmpdir/pr20022.so +#readelf: -SsW +#target: *-*-linux* *-*-gnu* +#notarget: *-*-*aout *-*-*oldld frv-*-linux* metag-*-linux* + +#... + \[[ 0-9]+\] _foo[ \t]+PROGBITS[ \t]+[0-9a-f]+ +[0-9a-f]+ +[0-9a-f]+[ \t]+.* +#... + +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +__start__foo +#pass diff --git a/ld/testsuite/ld-gc/pr20022a.s b/ld/testsuite/ld-gc/pr20022a.s new file mode 100644 index 0000000..6bd346f --- /dev/null +++ b/ld/testsuite/ld-gc/pr20022a.s @@ -0,0 +1,8 @@ + .data + .globl bar + .type bar,%object +bar: + .dc.a __start__foo + .section _foo,"aw",%progbits +foo: + .ascii "This is bar" diff --git a/ld/testsuite/ld-gc/pr20022b.s b/ld/testsuite/ld-gc/pr20022b.s new file mode 100644 index 0000000..2306c59 --- /dev/null +++ b/ld/testsuite/ld-gc/pr20022b.s @@ -0,0 +1,8 @@ + .text + .globl _start +_start: + .dc.a __start__foo + .dc.a bar + .section _foo,"aw",%progbits +foo: + .ascii "This is foo" diff --git a/ld/testsuite/ld-gc/start.d b/ld/testsuite/ld-gc/start.d index 18e74c1..9113b48 100644 --- a/ld/testsuite/ld-gc/start.d +++ b/ld/testsuite/ld-gc/start.d @@ -5,5 +5,5 @@ #notarget: *-*-*aout *-*-*oldld frv-*-linux* metag-*-linux* #... -[0-9a-f]+ D +__start__foo +[0-9a-f]+ d +__start__foo #... diff --git a/ld/testsuite/ld-x86-64/lea1a.d b/ld/testsuite/ld-x86-64/lea1a.d index 9b662cb..28ea4b9 100644 --- a/ld/testsuite/ld-x86-64/lea1a.d +++ b/ld/testsuite/ld-x86-64/lea1a.d @@ -15,5 +15,5 @@ Disassembly of section .text: [ ]*[a-f0-9]+: 48 8d 05 ([0-9a-f]{2} ){4} * lea -0x[a-f0-9]+\(%rip\),%rax # [a-f0-9]+ <foo> [ ]*[a-f0-9]+: 4c 8d 1d ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%r11 # [a-f0-9]+ <bar> [ ]*[a-f0-9]+: 48 8d 05 ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%rax # [a-f0-9]+ <__start_my_section> -[ ]*[a-f0-9]+: 4c 8d 1d ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%r11 # [a-f0-9]+ <__stop_my_section> +[ ]*[a-f0-9]+: 4c 8d 1d ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%r11 # [a-f0-9]+ <.*> #pass diff --git a/ld/testsuite/ld-x86-64/lea1b.d b/ld/testsuite/ld-x86-64/lea1b.d index 9108149..c7873cd 100644 --- a/ld/testsuite/ld-x86-64/lea1b.d +++ b/ld/testsuite/ld-x86-64/lea1b.d @@ -15,5 +15,5 @@ Disassembly of section .text: [ ]*[a-f0-9]+: 48 8d 05 ([0-9a-f]{2} ){4} * lea -0x[a-f0-9]+\(%rip\),%rax # [a-f0-9]+ <foo> [ ]*[a-f0-9]+: 4c 8d 1d ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%r11 # [a-f0-9]+ <bar> [ ]*[a-f0-9]+: 48 8d 05 ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%rax # [a-f0-9]+ <__start_my_section> -[ ]*[a-f0-9]+: 4c 8d 1d ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%r11 # [a-f0-9]+ <__stop_my_section> +[ ]*[a-f0-9]+: 4c 8d 1d ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%r11 # [a-f0-9]+ <.*> #pass diff --git a/ld/testsuite/ld-x86-64/lea1d.d b/ld/testsuite/ld-x86-64/lea1d.d index 4d708d2..70fc603 100644 --- a/ld/testsuite/ld-x86-64/lea1d.d +++ b/ld/testsuite/ld-x86-64/lea1d.d @@ -15,5 +15,5 @@ Disassembly of section .text: [ ]*[a-f0-9]+: 48 8d 05 ([0-9a-f]{2} ){4} * lea -0x[a-f0-9]+\(%rip\),%rax # [a-f0-9]+ <foo> [ ]*[a-f0-9]+: 4c 8d 1d ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%r11 # [a-f0-9]+ <bar> [ ]*[a-f0-9]+: 48 8d 05 ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%rax # [a-f0-9]+ <__start_my_section> -[ ]*[a-f0-9]+: 4c 8d 1d ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%r11 # [a-f0-9]+ <__stop_my_section> +[ ]*[a-f0-9]+: 4c 8d 1d ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%r11 # [a-f0-9]+ <.*> #pass diff --git a/ld/testsuite/ld-x86-64/lea1e.d b/ld/testsuite/ld-x86-64/lea1e.d index da60137..123fcd2 100644 --- a/ld/testsuite/ld-x86-64/lea1e.d +++ b/ld/testsuite/ld-x86-64/lea1e.d @@ -15,5 +15,5 @@ Disassembly of section .text: [ ]*[a-f0-9]+: 48 8d 05 ([0-9a-f]{2} ){4} * lea -0x[a-f0-9]+\(%rip\),%rax # [a-f0-9]+ <foo> [ ]*[a-f0-9]+: 4c 8d 1d ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%r11 # [a-f0-9]+ <bar> [ ]*[a-f0-9]+: 48 8d 05 ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%rax # [a-f0-9]+ <__start_my_section> -[ ]*[a-f0-9]+: 4c 8d 1d ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%r11 # [a-f0-9]+ <__stop_my_section> +[ ]*[a-f0-9]+: 4c 8d 1d ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%rip\),%r11 # [a-f0-9]+ <.*> #pass |