binutils-gdb/ld/testsuite/ld-scripts/empty-aligned.t

31 lines
704 B
Perl
Raw Normal View History

bfd/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * elf32-i386.c (elf_i386_size_dynamic_sections): Also remove empty sdynbss section. * elf64-x86-64.c (elf64_x86_64_size_dynamic_sections): Likewise. ld/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * ldexp.c (exp_fold_tree_1): Renamed from exp_fold_tree and take take a bfd_boolean, mark_used. Ignore assert failure if mark_used is TRUE. (exp_fold_tree) Call exp_fold_tree_1 with mark_used == FALSE. (exp_fold_tree_no_dot): Updated to take a bfd_boolean, mark_used and pass down. (fold_unary): Likewise. (fold_binary): Likewise. (fold_trinary): Likewise. (exp_binop): Add FALSE to call to exp_fold_tree_no_dot. (exp_trinop): Likewise. (exp_unop): Likewise. (exp_nameop): Likewise. (exp_get_vma): Likewise. (exp_get_fill): Likewise. (exp_get_abs_int): Likewise. (fold_name): Likewise. Set SEC_KEEP in output section flags. (exp_mark_used_section): New. * ldexp.h (exp_mark_used_section): New. * ldlang.c (lang_output_section_statement_lookup_1): Set the ignored field to FALSE. (lang_mark_used_section_1): New. (lang_mark_used_section): Call lang_mark_used_section_1. (strip_excluded_output_sections): Call lang_mark_used_section and check for unused sections. (lang_size_sections_1): Skip an output section if it should be ignored. (lang_do_assignments_1): Likewise. (lang_process): Don't call lang_mark_used_section here. * ldlang.h (lang_output_section_statement_type): Change all_input_readonly to bitfield. Add ignored. ld/testsuite/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * empty-aligned.d: New file. * empty-aligned.exp: Likewise. * empty-aligned.s: Likewise. * empty-aligned.t: Likewise.
2005-05-18 00:43:02 +08:00
SECTIONS
{
Fix the linker so that it will not silently generate ELF binaries with invalid program headers. Fix readelf to report such invalid binaries. PR ld/20815 bfd * elf.c (elf_modify_segment_map): Allow empty LOAD segments if they contain the program headers. (_bfd_elf_map_sections_to_segments): If the linker created the PHDR segment then always attempt to include it in a LOAD segment. (assign_file_positions_for_non_load_sections): Allow LOAD segments to overlap PHDR segments. (phdr_sorter): New function. Sorts program headers. (assign_file_positions_except_relocs): Sort the program headers before writing them out. Issue an error if the PHDR segment is not covered by a LOAD segment, unless the backend allows it. * elf-bfd.h (struct elf_backend_data): Add elf_backend_allow_non_load_phdr. * elfxx-target.h (elf_backend_allow_non_load_phdr): Provide default definition that returns FALSE. (elfNN_bed): Initialise the elf_backend_allow_non_load_phdr field. * elf64-hppa.c (elf64_hppa_allow_non_load_phdr): New function. Returns TRUE. (elf_backend_allow_non_load_phdr): Define. * elf-m10300.c (_bfd_mn10300_elf_size_dynamic_sections): Do not place the interpreter string into the .interp section if the nointerp flag is set in the link info structure. * elf32-arc.c (elf_arc_size_dynamic_sections): Likewise. * elf32-score7.c (score_elf_final_link_relocate): Allow for the _gp symbol not being part of the output. binutils* readelf.c (process_program_headers): Check PT_LOAD and PT_PHDR segments for validity. ld * ld.texinfo: Note that PT_TLS can be used as a segment type. * testsuite/ld-discard/discard.ld: Add space for program headers. * testsuite/ld-elf/flags1.ld: Likewise. * testsuite/ld-elf/maxpage3.t: Likewise. * testsuite/ld-elf/noload-1.t: Likewise. * testsuite/ld-elf/orphan.ld: Likewise. * testsuite/ld-elf/overlay.t: Likewise. * testsuite/ld-elf/pr14052.t: Likewise. * testsuite/ld-elf/pr19539.t: Likewise. * testsuite/ld-elf/provide-hidden-1.ld: Likewise. * testsuite/ld-elf/provide-hidden-s.ld: Likewise. * testsuite/ld-elf/weak-dyn-1.ld: Likewise. * testsuite/ld-i386/pr19539.t: Likewise. * testsuite/ld-scripts/defined.t: Likewise. * testsuite/ld-scripts/defined6.t: Likewise. * testsuite/ld-scripts/dynamic-sections.t: Likewise. * testsuite/ld-scripts/empty-aligned.t: Likewise. * testsuite/ld-scripts/provide-2.t: Likewise. * testsuite/ld-scripts/provide-4.t: Likewise. * testsuite/ld-vax-elf/plt-local.ld: Likewise. * testsuite/ld-x86-64/pr19539.t: Likewise. * testsuite/ld-elf/ehdr_start-missing.d: Do not initialise the dynamic linker. * testsuite/ld-elf/ehdr_start-weak.d: Likewise. * testsuite/ld-elf/elf.exp (pr14170, pr17068): Likewise. * testsuite/ld-elf/loadaddr1.d: Update expected readelf output. * testsuite/ld-elf/noload-2.d: Likewise. * testsuite/ld-powerpc/vxworks2.sd: Likewise. * testsuite/ld-scripts/phdrs3a.d: Likewise. * testsuite/ld-scripts/size-2.d: Likewise. * testsuite/ld-elf/group.ld: Add program headers. * testsuite/ld-elf/overlay.d: Skip for SPU. * testsuite/ld-elf/flags1.d: Skip for RX. * testsuite/ld-elf/pr19162.d: Skip for HPPA64. * testsuite/ld-elf/pr19539.d: Skip for ALPHA. * testsuite/ld-scripts/empty-orphan.t: Update program headers. * testsuite/ld-scripts/size-2.t: Likewise.
2016-11-23 19:10:39 +08:00
. = SIZEOF_HEADERS;
bfd/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * elf32-i386.c (elf_i386_size_dynamic_sections): Also remove empty sdynbss section. * elf64-x86-64.c (elf64_x86_64_size_dynamic_sections): Likewise. ld/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * ldexp.c (exp_fold_tree_1): Renamed from exp_fold_tree and take take a bfd_boolean, mark_used. Ignore assert failure if mark_used is TRUE. (exp_fold_tree) Call exp_fold_tree_1 with mark_used == FALSE. (exp_fold_tree_no_dot): Updated to take a bfd_boolean, mark_used and pass down. (fold_unary): Likewise. (fold_binary): Likewise. (fold_trinary): Likewise. (exp_binop): Add FALSE to call to exp_fold_tree_no_dot. (exp_trinop): Likewise. (exp_unop): Likewise. (exp_nameop): Likewise. (exp_get_vma): Likewise. (exp_get_fill): Likewise. (exp_get_abs_int): Likewise. (fold_name): Likewise. Set SEC_KEEP in output section flags. (exp_mark_used_section): New. * ldexp.h (exp_mark_used_section): New. * ldlang.c (lang_output_section_statement_lookup_1): Set the ignored field to FALSE. (lang_mark_used_section_1): New. (lang_mark_used_section): Call lang_mark_used_section_1. (strip_excluded_output_sections): Call lang_mark_used_section and check for unused sections. (lang_size_sections_1): Skip an output section if it should be ignored. (lang_do_assignments_1): Likewise. (lang_process): Don't call lang_mark_used_section here. * ldlang.h (lang_output_section_statement_type): Change all_input_readonly to bitfield. Add ignored. ld/testsuite/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * empty-aligned.d: New file. * empty-aligned.exp: Likewise. * empty-aligned.s: Likewise. * empty-aligned.t: Likewise.
2005-05-18 00:43:02 +08:00
.text : { *(.text) }
/* Alignment at beginning shouldn't result in empty section being kept. */
.text1 ALIGN (4096) :
{
*(.text1)
}
Make assignments to dot keep an empty output section. An assignment to dot in an output section that allocates space of course keeps the output section. Here, I'm changing the behaviour for assignments that don't allocate space. The idea is not so much to allow people to force output of an empty section with ". = .", but to fix cases where an otherwise empty section has padding added by an alignment expression that changes with relaxation or .eh_frame editing. Such a section might have zero size before relaxation and so be stripped incorrectly. ld/ * ld.texinfo (Output Section Discarding): Mention assigning to dot as a way of keeping otherwise empty sections. * ldexp.c (is_dot, is_value, is_sym_value, is_dot_ne_0, is_dot_plus_0, is_align_conditional): New predicates. (exp_fold_tree_1): Set SEC_KEEP when assigning to dot inside an output section, except for some special cases. * scripttempl/elfmicroblaze.sc: Use canonical form to align at end of .heap and .stack. ld/testsuite/ * ld-shared/elf-offset.ld: Align end of .bss with canonical form of ALIGN that allows an empty .bss to be removed. * ld-arm/arm-dyn.ld: Likewise. * ld-arm/arm-lib.ld: Likewise. * ld-elfvsb/elf-offset.ld: Likewise. * ld-mips-elf/mips-dyn.ld: Likewise. * ld-mips-elf/mips-lib.ld: Likewise. * ld-arm/arm-no-rel-plt.ld: Remove duplicate ALIGN. * ld-powerpc/vle-multiseg-1.ld: Remove ALIGN at start of section. ALIGN address of section instead. * ld-powerpc/vle-multiseg-2.ld: Likewise. * ld-powerpc/vle-multiseg-3.ld: Likewise. * ld-powerpc/vle-multiseg-4.ld: Likewise. * ld-powerpc/vle-multiseg-6.ld: Likewise. * ld-scripts/empty-aligned.d: Check section headers not program headers. Remove xfail and notarget. * ld-scripts/empty-aligned.t: Use canonical ALIGN for end of .text2.
2014-01-22 09:13:03 +08:00
/* Same for alignment at beginning and end, although we need to be
careful in the expression used to align. */
.text2 ALIGN (4096) :
bfd/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * elf32-i386.c (elf_i386_size_dynamic_sections): Also remove empty sdynbss section. * elf64-x86-64.c (elf64_x86_64_size_dynamic_sections): Likewise. ld/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * ldexp.c (exp_fold_tree_1): Renamed from exp_fold_tree and take take a bfd_boolean, mark_used. Ignore assert failure if mark_used is TRUE. (exp_fold_tree) Call exp_fold_tree_1 with mark_used == FALSE. (exp_fold_tree_no_dot): Updated to take a bfd_boolean, mark_used and pass down. (fold_unary): Likewise. (fold_binary): Likewise. (fold_trinary): Likewise. (exp_binop): Add FALSE to call to exp_fold_tree_no_dot. (exp_trinop): Likewise. (exp_unop): Likewise. (exp_nameop): Likewise. (exp_get_vma): Likewise. (exp_get_fill): Likewise. (exp_get_abs_int): Likewise. (fold_name): Likewise. Set SEC_KEEP in output section flags. (exp_mark_used_section): New. * ldexp.h (exp_mark_used_section): New. * ldlang.c (lang_output_section_statement_lookup_1): Set the ignored field to FALSE. (lang_mark_used_section_1): New. (lang_mark_used_section): Call lang_mark_used_section_1. (strip_excluded_output_sections): Call lang_mark_used_section and check for unused sections. (lang_size_sections_1): Skip an output section if it should be ignored. (lang_do_assignments_1): Likewise. (lang_process): Don't call lang_mark_used_section here. * ldlang.h (lang_output_section_statement_type): Change all_input_readonly to bitfield. Add ignored. ld/testsuite/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * empty-aligned.d: New file. * empty-aligned.exp: Likewise. * empty-aligned.s: Likewise. * empty-aligned.t: Likewise.
2005-05-18 00:43:02 +08:00
{
*(.text2)
Make assignments to dot keep an empty output section. An assignment to dot in an output section that allocates space of course keeps the output section. Here, I'm changing the behaviour for assignments that don't allocate space. The idea is not so much to allow people to force output of an empty section with ". = .", but to fix cases where an otherwise empty section has padding added by an alignment expression that changes with relaxation or .eh_frame editing. Such a section might have zero size before relaxation and so be stripped incorrectly. ld/ * ld.texinfo (Output Section Discarding): Mention assigning to dot as a way of keeping otherwise empty sections. * ldexp.c (is_dot, is_value, is_sym_value, is_dot_ne_0, is_dot_plus_0, is_align_conditional): New predicates. (exp_fold_tree_1): Set SEC_KEEP when assigning to dot inside an output section, except for some special cases. * scripttempl/elfmicroblaze.sc: Use canonical form to align at end of .heap and .stack. ld/testsuite/ * ld-shared/elf-offset.ld: Align end of .bss with canonical form of ALIGN that allows an empty .bss to be removed. * ld-arm/arm-dyn.ld: Likewise. * ld-arm/arm-lib.ld: Likewise. * ld-elfvsb/elf-offset.ld: Likewise. * ld-mips-elf/mips-dyn.ld: Likewise. * ld-mips-elf/mips-lib.ld: Likewise. * ld-arm/arm-no-rel-plt.ld: Remove duplicate ALIGN. * ld-powerpc/vle-multiseg-1.ld: Remove ALIGN at start of section. ALIGN address of section instead. * ld-powerpc/vle-multiseg-2.ld: Likewise. * ld-powerpc/vle-multiseg-3.ld: Likewise. * ld-powerpc/vle-multiseg-4.ld: Likewise. * ld-powerpc/vle-multiseg-6.ld: Likewise. * ld-scripts/empty-aligned.d: Check section headers not program headers. Remove xfail and notarget. * ld-scripts/empty-aligned.t: Use canonical ALIGN for end of .text2.
2014-01-22 09:13:03 +08:00
. = ALIGN (. != 0 ? 4096 : 1);
bfd/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * elf32-i386.c (elf_i386_size_dynamic_sections): Also remove empty sdynbss section. * elf64-x86-64.c (elf64_x86_64_size_dynamic_sections): Likewise. ld/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * ldexp.c (exp_fold_tree_1): Renamed from exp_fold_tree and take take a bfd_boolean, mark_used. Ignore assert failure if mark_used is TRUE. (exp_fold_tree) Call exp_fold_tree_1 with mark_used == FALSE. (exp_fold_tree_no_dot): Updated to take a bfd_boolean, mark_used and pass down. (fold_unary): Likewise. (fold_binary): Likewise. (fold_trinary): Likewise. (exp_binop): Add FALSE to call to exp_fold_tree_no_dot. (exp_trinop): Likewise. (exp_unop): Likewise. (exp_nameop): Likewise. (exp_get_vma): Likewise. (exp_get_fill): Likewise. (exp_get_abs_int): Likewise. (fold_name): Likewise. Set SEC_KEEP in output section flags. (exp_mark_used_section): New. * ldexp.h (exp_mark_used_section): New. * ldlang.c (lang_output_section_statement_lookup_1): Set the ignored field to FALSE. (lang_mark_used_section_1): New. (lang_mark_used_section): Call lang_mark_used_section_1. (strip_excluded_output_sections): Call lang_mark_used_section and check for unused sections. (lang_size_sections_1): Skip an output section if it should be ignored. (lang_do_assignments_1): Likewise. (lang_process): Don't call lang_mark_used_section here. * ldlang.h (lang_output_section_statement_type): Change all_input_readonly to bitfield. Add ignored. ld/testsuite/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * empty-aligned.d: New file. * empty-aligned.exp: Likewise. * empty-aligned.s: Likewise. * empty-aligned.t: Likewise.
2005-05-18 00:43:02 +08:00
}
Make assignments to dot keep an empty output section. An assignment to dot in an output section that allocates space of course keeps the output section. Here, I'm changing the behaviour for assignments that don't allocate space. The idea is not so much to allow people to force output of an empty section with ". = .", but to fix cases where an otherwise empty section has padding added by an alignment expression that changes with relaxation or .eh_frame editing. Such a section might have zero size before relaxation and so be stripped incorrectly. ld/ * ld.texinfo (Output Section Discarding): Mention assigning to dot as a way of keeping otherwise empty sections. * ldexp.c (is_dot, is_value, is_sym_value, is_dot_ne_0, is_dot_plus_0, is_align_conditional): New predicates. (exp_fold_tree_1): Set SEC_KEEP when assigning to dot inside an output section, except for some special cases. * scripttempl/elfmicroblaze.sc: Use canonical form to align at end of .heap and .stack. ld/testsuite/ * ld-shared/elf-offset.ld: Align end of .bss with canonical form of ALIGN that allows an empty .bss to be removed. * ld-arm/arm-dyn.ld: Likewise. * ld-arm/arm-lib.ld: Likewise. * ld-elfvsb/elf-offset.ld: Likewise. * ld-mips-elf/mips-dyn.ld: Likewise. * ld-mips-elf/mips-lib.ld: Likewise. * ld-arm/arm-no-rel-plt.ld: Remove duplicate ALIGN. * ld-powerpc/vle-multiseg-1.ld: Remove ALIGN at start of section. ALIGN address of section instead. * ld-powerpc/vle-multiseg-2.ld: Likewise. * ld-powerpc/vle-multiseg-3.ld: Likewise. * ld-powerpc/vle-multiseg-4.ld: Likewise. * ld-powerpc/vle-multiseg-6.ld: Likewise. * ld-scripts/empty-aligned.d: Check section headers not program headers. Remove xfail and notarget. * ld-scripts/empty-aligned.t: Use canonical ALIGN for end of .text2.
2014-01-22 09:13:03 +08:00
/* Same for alignment just at end. */
bfd/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * elf32-i386.c (elf_i386_size_dynamic_sections): Also remove empty sdynbss section. * elf64-x86-64.c (elf64_x86_64_size_dynamic_sections): Likewise. ld/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * ldexp.c (exp_fold_tree_1): Renamed from exp_fold_tree and take take a bfd_boolean, mark_used. Ignore assert failure if mark_used is TRUE. (exp_fold_tree) Call exp_fold_tree_1 with mark_used == FALSE. (exp_fold_tree_no_dot): Updated to take a bfd_boolean, mark_used and pass down. (fold_unary): Likewise. (fold_binary): Likewise. (fold_trinary): Likewise. (exp_binop): Add FALSE to call to exp_fold_tree_no_dot. (exp_trinop): Likewise. (exp_unop): Likewise. (exp_nameop): Likewise. (exp_get_vma): Likewise. (exp_get_fill): Likewise. (exp_get_abs_int): Likewise. (fold_name): Likewise. Set SEC_KEEP in output section flags. (exp_mark_used_section): New. * ldexp.h (exp_mark_used_section): New. * ldlang.c (lang_output_section_statement_lookup_1): Set the ignored field to FALSE. (lang_mark_used_section_1): New. (lang_mark_used_section): Call lang_mark_used_section_1. (strip_excluded_output_sections): Call lang_mark_used_section and check for unused sections. (lang_size_sections_1): Skip an output section if it should be ignored. (lang_do_assignments_1): Likewise. (lang_process): Don't call lang_mark_used_section here. * ldlang.h (lang_output_section_statement_type): Change all_input_readonly to bitfield. Add ignored. ld/testsuite/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * empty-aligned.d: New file. * empty-aligned.exp: Likewise. * empty-aligned.s: Likewise. * empty-aligned.t: Likewise.
2005-05-18 00:43:02 +08:00
.text3 :
{
*(.text3)
. = ALIGN (. != 0 ? 4096 : 1);
}
/* Same when setting vma and lma. This also shouldn't result in
.text3 being kept. */
.text4 ADDR (.text3) + SIZEOF (.text3) + 8192 : AT (LOADADDR (.text3))
{
*(.text4)
bfd/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * elf32-i386.c (elf_i386_size_dynamic_sections): Also remove empty sdynbss section. * elf64-x86-64.c (elf64_x86_64_size_dynamic_sections): Likewise. ld/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * ldexp.c (exp_fold_tree_1): Renamed from exp_fold_tree and take take a bfd_boolean, mark_used. Ignore assert failure if mark_used is TRUE. (exp_fold_tree) Call exp_fold_tree_1 with mark_used == FALSE. (exp_fold_tree_no_dot): Updated to take a bfd_boolean, mark_used and pass down. (fold_unary): Likewise. (fold_binary): Likewise. (fold_trinary): Likewise. (exp_binop): Add FALSE to call to exp_fold_tree_no_dot. (exp_trinop): Likewise. (exp_unop): Likewise. (exp_nameop): Likewise. (exp_get_vma): Likewise. (exp_get_fill): Likewise. (exp_get_abs_int): Likewise. (fold_name): Likewise. Set SEC_KEEP in output section flags. (exp_mark_used_section): New. * ldexp.h (exp_mark_used_section): New. * ldlang.c (lang_output_section_statement_lookup_1): Set the ignored field to FALSE. (lang_mark_used_section_1): New. (lang_mark_used_section): Call lang_mark_used_section_1. (strip_excluded_output_sections): Call lang_mark_used_section and check for unused sections. (lang_size_sections_1): Skip an output section if it should be ignored. (lang_do_assignments_1): Likewise. (lang_process): Don't call lang_mark_used_section here. * ldlang.h (lang_output_section_statement_type): Change all_input_readonly to bitfield. Add ignored. ld/testsuite/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * empty-aligned.d: New file. * empty-aligned.exp: Likewise. * empty-aligned.s: Likewise. * empty-aligned.t: Likewise.
2005-05-18 00:43:02 +08:00
}
/DISCARD/ : { *(*) }
bfd/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * elf32-i386.c (elf_i386_size_dynamic_sections): Also remove empty sdynbss section. * elf64-x86-64.c (elf64_x86_64_size_dynamic_sections): Likewise. ld/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * ldexp.c (exp_fold_tree_1): Renamed from exp_fold_tree and take take a bfd_boolean, mark_used. Ignore assert failure if mark_used is TRUE. (exp_fold_tree) Call exp_fold_tree_1 with mark_used == FALSE. (exp_fold_tree_no_dot): Updated to take a bfd_boolean, mark_used and pass down. (fold_unary): Likewise. (fold_binary): Likewise. (fold_trinary): Likewise. (exp_binop): Add FALSE to call to exp_fold_tree_no_dot. (exp_trinop): Likewise. (exp_unop): Likewise. (exp_nameop): Likewise. (exp_get_vma): Likewise. (exp_get_fill): Likewise. (exp_get_abs_int): Likewise. (fold_name): Likewise. Set SEC_KEEP in output section flags. (exp_mark_used_section): New. * ldexp.h (exp_mark_used_section): New. * ldlang.c (lang_output_section_statement_lookup_1): Set the ignored field to FALSE. (lang_mark_used_section_1): New. (lang_mark_used_section): Call lang_mark_used_section_1. (strip_excluded_output_sections): Call lang_mark_used_section and check for unused sections. (lang_size_sections_1): Skip an output section if it should be ignored. (lang_do_assignments_1): Likewise. (lang_process): Don't call lang_mark_used_section here. * ldlang.h (lang_output_section_statement_type): Change all_input_readonly to bitfield. Add ignored. ld/testsuite/ 2005-05-17 H.J. Lu <hongjiu.lu@intel.com> PR 797 * empty-aligned.d: New file. * empty-aligned.exp: Likewise. * empty-aligned.s: Likewise. * empty-aligned.t: Likewise.
2005-05-18 00:43:02 +08:00
}