root/arch/sh/kernel/vsyscall/vsyscall-sigreturn.S

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #include <asm/unistd.h>
   3 
   4         .text
   5         .balign 32
   6         .globl __kernel_sigreturn
   7         .type __kernel_sigreturn,@function
   8 __kernel_sigreturn:
   9 .LSTART_sigreturn:
  10         mov.w   1f, r3
  11         trapa   #0x10
  12         or      r0, r0
  13         or      r0, r0
  14         or      r0, r0
  15         or      r0, r0
  16         or      r0, r0
  17 
  18 1:      .short  __NR_sigreturn
  19 .LEND_sigreturn:
  20         .size __kernel_sigreturn,.-.LSTART_sigreturn
  21 
  22         .balign 32
  23         .globl __kernel_rt_sigreturn
  24         .type __kernel_rt_sigreturn,@function
  25 __kernel_rt_sigreturn:
  26 .LSTART_rt_sigreturn:
  27         mov.w   1f, r3
  28         trapa   #0x10
  29         or      r0, r0
  30         or      r0, r0
  31         or      r0, r0
  32         or      r0, r0
  33         or      r0, r0
  34 
  35 1:      .short  __NR_rt_sigreturn
  36 .LEND_rt_sigreturn:
  37         .size __kernel_rt_sigreturn,.-.LSTART_rt_sigreturn
  38         .previous
  39 
  40         .section .eh_frame,"a",@progbits
  41 .LCIE1:
  42         .ualong .LCIE1_end - .LCIE1_start
  43 .LCIE1_start:
  44         .ualong 0               /* CIE ID */
  45         .byte   0x1             /* Version number */
  46         .string "zRS"           /* NUL-terminated augmentation string */
  47         .uleb128 0x1            /* Code alignment factor */
  48         .sleb128 -4             /* Data alignment factor */
  49         .byte   0x11            /* Return address register column */
  50         .uleb128 0x1            /* Augmentation length and data */
  51         .byte 0x1b              /* DW_EH_PE_pcrel | DW_EH_PE_sdata4. */
  52         .byte   0xc, 0xf, 0x0   /* DW_CFA_def_cfa: r15 ofs 0 */
  53 
  54         .align 2
  55 .LCIE1_end:
  56 
  57         .ualong .LFDE0_end-.LFDE0_start /* Length FDE0 */
  58 .LFDE0_start:
  59         .ualong .LFDE0_start-.LCIE1     /* CIE pointer */
  60         .ualong .LSTART_sigreturn-.     /* PC-relative start address */
  61         .ualong .LEND_sigreturn-.LSTART_sigreturn
  62         .uleb128 0                      /* Augmentation */
  63         .align 2
  64 .LFDE0_end:
  65 
  66         .ualong .LFDE1_end-.LFDE1_start /* Length FDE1 */
  67 .LFDE1_start:
  68         .ualong .LFDE1_start-.LCIE1     /* CIE pointer */
  69         .ualong .LSTART_rt_sigreturn-.  /* PC-relative start address */
  70         .ualong .LEND_rt_sigreturn-.LSTART_rt_sigreturn
  71         .uleb128 0                      /* Augmentation */
  72         .align 2
  73 .LFDE1_end:
  74 
  75         .previous