binutils-gdb/ld/testsuite/ld-arm/cmse-veneers.d

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2016-08-04 Thomas Preud'homme <thomas.preudhomme@arm.com> bfd/ * elf32-arm.c (CMSE_PREFIX): Define macro. (elf32_arm_stub_cmse_branch_thumb_only): Define stub sequence. (cmse_branch_thumb_only): Declare stub. (struct elf32_arm_link_hash_table): Define cmse_stub_sec field. (elf32_arm_get_plt_info): Add globals parameter. Use it to return FALSE if there is no PLT. (arm_type_of_stub): Adapt to new elf32_arm_get_plt_info signature. (elf32_arm_final_link_relocate): Likewise. (elf32_arm_gc_sweep_hook): Likewise. (elf32_arm_gc_mark_extra_sections): Mark sections holding ARMv8-M secure entry functions. (arm_stub_is_thumb): Add case for arm_stub_cmse_branch_thumb_only. (arm_dedicated_stub_output_section_required): Change to a switch case and add a case for arm_stub_cmse_branch_thumb_only. (arm_dedicated_stub_output_section_required_alignment): Likewise. (arm_stub_dedicated_output_section_name): Likewise. (arm_stub_dedicated_input_section_ptr): Likewise and remove ATTRIBUTE_UNUSED for htab parameter. (arm_stub_required_alignment): Likewise. (arm_stub_sym_claimed): Likewise. (arm_dedicated_stub_section_padding): Likewise. (cmse_scan): New function. (elf32_arm_size_stubs): Call cmse_scan for ARM M profile targets. Set stub_changed to TRUE if such veneers were created. (elf32_arm_swap_symbol_in): Add detection code for CMSE special symbols. include/ * arm.h (ARM_GET_SYM_CMSE_SPCL): Define macro. (ARM_SET_SYM_CMSE_SPCL): Likewise. ld/ * ld.texinfo (Placement of SG veneers): New concept entry. * testsuite/ld-arm/arm-elf.exp (Secure gateway veneers: no .gnu.sgstubs section): New test. (Secure gateway veneers: wrong entry functions): Likewise. (Secure gateway veneers (ARMv8-M Baseline)): Likewise. (Secure gateway veneers (ARMv8-M Mainline)): Likewise. * testsuite/ld-arm/cmse-veneers.s: New file. * testsuite/ld-arm/cmse-veneers.d: Likewise. * testsuite/ld-arm/cmse-veneers.rd: Likewise. * testsuite/ld-arm/cmse-veneers.sd: Likewise. * testsuite/ld-arm/cmse-veneers-no-gnu_sgstubs.out: Likewise. * testsuite/ld-arm/cmse-veneers-wrong-entryfct.out: Likewise.
2016-08-04 22:36:52 +08:00
.*
Disassembly of section \.gnu.sgstubs:
00020000 <glob_entry_veneer2>:
20000: e97f e97f sg
20004: f7e8 b800 b\.w 8008 <__acle_se_glob_entry_veneer2>
00020008 <weak_entry_veneer2>:
20008: e97f e97f sg
2000c: f7e7 bffe b\.w 800c <__acle_se_weak_entry_veneer2>
00020010 <glob_entry_veneer1>:
20010: e97f e97f sg
20014: f7e7 bff4 b\.w 8000 <__acle_se_glob_entry_veneer1>
00020018 <weak_entry_veneer1>:
20018: e97f e97f sg
2001c: f7e7 bff2 b\.w 8004 <__acle_se_weak_entry_veneer1>