binutils-gdb/ld/testsuite/ld-aarch64/farcall-b.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

25 lines
540 B
Makefile

#name: aarch64-farcall-b
#source: farcall-b.s
#as:
#ld: -Ttext 0x1000 --section-start .foo=0x8001000
#objdump: -dr
#...
Disassembly of section .text:
0+1000 <_start>:
+1000: 14000004 b 1010 <__bar_veneer>
+1004: d65f03c0 ret
[ \t]+1008:[ \t]+14000008[ \t]+b[ \t]+1028 <__bar_veneer\+0x18>
[ \t]+100c:[ \t]+d503201f[ \t]+nop
0+1010 <__bar_veneer>:
1010: 90040010 adrp x16, 8001000 <bar>
1014: 91000210 add x16, x16, #0x0
1018: d61f0200 br x16
...
Disassembly of section .foo:
0+8001000 <bar>:
8001000: d65f03c0 ret