arch/s390/lib/test_kprobes_asm.S

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2
   3 #include <linux/linkage.h>
   4 #include <asm/ftrace.h>
   5
   6 #define KPROBES_TARGET_START(name)      \
   7         SYM_FUNC_START(name);           \
   8         FTRACE_GEN_NOP_ASM(name)
   9
  10 #define KPROBES_TARGET_END(name)        \
  11         SYM_FUNC_END(name);             \
  12         SYM_DATA(name##_offs, .quad 1b - name)
  13
  14 KPROBES_TARGET_START(kprobes_target_in_insn4)
  15         .word 0x4700 // bc 0,0
  16 1:      .word 0x0000
  17         br %r14
  18 KPROBES_TARGET_END(kprobes_target_in_insn4)
  19
  20 KPROBES_TARGET_START(kprobes_target_in_insn6_lo)
  21         .word 0xe310 // ly 1,0
  22 1:      .word 0x0000
  23         .word 0x0058
  24         br %r14
  25 KPROBES_TARGET_END(kprobes_target_in_insn6_lo)
  26
  27 KPROBES_TARGET_START(kprobes_target_in_insn6_hi)
  28         .word 0xe310 // ly 1,0
  29         .word 0x0000
  30 1:      .word 0x0058
  31         br %r14
  32 KPROBES_TARGET_END(kprobes_target_in_insn6_hi)
  33
  34 KPROBES_TARGET_START(kprobes_target_bp)
  35         nop
  36         .word 0x0000
  37         nop
  38 1:      br %r14
  39 KPROBES_TARGET_END(kprobes_target_bp)
  40
  41 KPROBES_TARGET_START(kprobes_target_odd)
  42         .byte 0x07
  43 1:      .byte 0x07
  44         br %r14
  45 KPROBES_TARGET_END(kprobes_target_odd)