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* elf32-arm.c (PLT_THUMB_STUB_SIZE): Define. (elf32_arm_plt_thumb_stub): New. (struct elf32_arm_link_hash_entry): Add plt_thumb_refcount and plt_got_offset. (elf32_arm_link_hash_traverse): Fix typo. (elf32_arm_link_hash_table): Add obfd. (elf32_arm_link_hash_newfunc): Initialize new fields. (elf32_arm_copy_indirect_symbol): Copy plt_thumb_refcount. (elf32_arm_link_hash_table_create): Initialize obfd. (record_arm_to_thumb_glue): Mark the glue as a local ARM function. (record_thumb_to_arm_glue): Mark the glue as a local Thumb function. (bfd_elf32_arm_get_bfd_for_interworking): Verify that the interworking BFD is not dynamic. (bfd_elf32_arm_process_before_allocation): Handle R_ARM_PLT32. Do not emit glue for PLT references. (elf32_arm_final_link_relocate): Handle Thumb functions. Do not emit glue for PLT references. Support the Thumb PLT prefix. (elf32_arm_gc_sweep_hook): Handle R_ARM_THM_PC22 and plt_thumb_refcount. (elf32_arm_check_relocs): Likewise. (elf32_arm_adjust_dynamic_symbol): Handle Thumb functions and plt_thumb_refcount. (allocate_dynrelocs): Handle Thumb PLT references. (elf32_arm_finish_dynamic_symbol): Likewise. (elf32_arm_symbol_processing): New function. (elf_backend_symbol_processing): Define. opcodes/ * arm-dis.c (WORD_ADDRESS): Define. (print_insn): Use it. Correct big-endian end-of-section handling. gas/testsuite/ * gas/arm/mapping.d: Expect F markers for Thumb code. * gas/arm/unwind.d: Update big-endian pattern. ld/ * emultempl/armelf.em (arm_elf_set_bfd_for_interworking): Don't use a dynamic object for stubs. ld/testsuite/ * ld-arm/mixed-app.d, ld-arm/mixed-app.r, ld-arm/mixed-app.s, ld-arm/mixed-app.sym, ld-arm/mixed-lib.d, ld-arm/mixed-lib.r, ld-arm/mixed-lib.s, ld-arm/mixed-lib.sym, ld-arm/arm-dyn.ld, ld-arm/arm-lib.ld: New files. * ld-arm/arm-app-abs32.d, ld-arm/arm-app-abs32.r, ld-arm/arm-app.d, ld-arm/arm-app.r, ld-arm/arm-lib-plt32.d, ld-arm/arm-lib-plt32.r, ld-arm/arm-lib.d, ld-arm/arm-lib.r, ld-arm/arm-static-app.d, ld-arm/arm-static-app.r: Update for big-endian. * ld-arm/arm-elf.exp: Run the new tests.
29 lines
715 B
Makefile
29 lines
715 B
Makefile
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tmpdir/arm-lib-plt32.so: file format elf32-(little|big)arm
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architecture: arm, flags 0x00000150:
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HAS_SYMS, DYNAMIC, D_PAGED
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start address 0x.*
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Disassembly of section .plt:
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.* <.plt>:
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.*: e52de004 str lr, \[sp, #-4\]!
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.*: e59fe004 ldr lr, \[pc, #4\] ; .* <lib_func1-0x10>
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.*: e08fe00e add lr, pc, lr
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.*: e5bef008 ldr pc, \[lr, #8\]!
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.*: .*
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.*: e28fc6.* add ip, pc, #.* ; 0x.*
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.*: e28cca.* add ip, ip, #.* ; 0x.*
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.*: e5bcf.* ldr pc, \[ip, #.*\]!
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Disassembly of section .text:
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.* <lib_func1>:
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.*: e1a0c00d mov ip, sp
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.*: e92dd800 stmdb sp!, {fp, ip, lr, pc}
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.*: ebfffff9 bl .* <lib_func1-0xc>
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.*: e89d6800 ldmia sp, {fp, sp, lr}
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.*: e12fff1e bx lr
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.* <lib_func2>:
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.*: e12fff1e bx lr
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