binutils-gdb/ld/testsuite/ld-aarch64/farcall-b-section.d
Jim Wilson 9a2ebffd4d Ensure 8-byte alignment for AArch64 stubs.
PR 22903
bfd	* elfnn-aarch64.c (_bfd_aarch64_resize_stubs): Add 8 bytes for branch
	and nop instead of 4.
	(elfNN_arch64_build_stubs): Add nop after branch.  Increase size by
	8 instead of 4.

ld	* emultempl/aarch64elf.em (elf${ELFSIZE}_aarch64_add_stub_section):
	Give stub_sec 8 byte alignment.
	* emulparams/aarch64cloudabi.sh (NOP): Set to 0x1f2003d5.
	* emulparams/aarch64elf.sh (NOP): Likewise.
	* emulparams/aarch64elf32.sh (NOP): Likewise.
	* emulparams/aarch64fbsd.sh (NOP): Likewise.
	* emulparams/aarch64linux.sh (NOP): Likewise.
	* emulparams/aarch64linux32.sh (NOP): Likewise.
	* testsuite/ld-aarch64/erratum835769.d: Adjust for added nop.
	* testsuite/ld-aarch64/erratum843419.d: Likewise.
	* testsuite/ld-aarch64/farcall-b-defsym.d: Likewise.
	* testsuite/ld-aarch64/farcall-b-none-function.d: Likewise.
	* testsuite/ld-aarch64/farcall-b-plt.d: Likewise.
	* testsuite/ld-aarch64/farcall-b-section.d: Likewise.
	* testsuite/ld-aarch64/farcall-b.d: Likewise.
	* testsuite/ld-aarch64/farcall-back.d: Likewise.
	* testsuite/ld-aarch64/farcall-bl-defsym.d: Likewise.
	* testsuite/ld-aarch64/farcall-bl-none-function.d: Likewise.
	* testsuite/ld-aarch64/farcall-bl-plt.d: Likewise.
	* testsuite/ld-aarch64/farcall-bl-section.d: Likewise.
	* testsuite/ld-aarch64/farcall-bl.d: Likewise.
2018-03-02 10:49:20 +00:00

37 lines
785 B
Makefile

#name: aarch64-farcall-b-section
#source: farcall-b-section.s
#as:
#ld: -Ttext 0x1000 --section-start .foo=0x8001000
#objdump: -dr
#...
Disassembly of section .text:
.* <_start>:
1000: 1400000a b 1028 <___veneer>
1004: 14000005 b 1018 <___veneer>
1008: d65f03c0 ret
100c: d503201f nop
1010: 1400000e b 1048 <___veneer\+0x20>
1014: d503201f nop
.* <___veneer>:
1018: 90040010 adrp x16, 8001000 <bar>
101c: 91001210 add x16, x16, #0x4
1020: d61f0200 br x16
1024: 00000000 .inst 0x00000000 ; undefined
.* <___veneer>:
1028: 90040010 adrp x16, 8001000 <bar>
102c: 91000210 add x16, x16, #0x0
1030: d61f0200 br x16
...
Disassembly of section .foo:
.* <bar>:
8001000: d65f03c0 ret
.* <bar2>:
8001004: d65f03c0 ret