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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/sh/dl-trampoline.S
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'sysdeps/sh/dl-trampoline.S')
-rw-r--r--sysdeps/sh/dl-trampoline.S431
1 files changed, 431 insertions, 0 deletions
diff --git a/sysdeps/sh/dl-trampoline.S b/sysdeps/sh/dl-trampoline.S
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+/* PLT trampolines. SH version.
+ Copyright (C) 2005 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+
+ .text
+ .globl _dl_runtime_resolve
+ .type _dl_runtime_resolve, @function
+ cfi_startproc
+ .align 5
+_dl_runtime_resolve:
+ mov.l r2,@-r15
+ cfi_adjust_cfa_offset (4)
+ mov.l r3,@-r15
+ cfi_adjust_cfa_offset (4)
+ mov.l r4,@-r15
+ cfi_adjust_cfa_offset (4)
+ mov.l r5,@-r15
+ cfi_adjust_cfa_offset (4)
+ mov.l r6,@-r15
+ cfi_adjust_cfa_offset (4)
+ mov.l r7,@-r15
+ cfi_adjust_cfa_offset (4)
+ mov.l r12,@-r15
+ cfi_adjust_cfa_offset (4)
+ sts.l macl,@-r15
+ cfi_adjust_cfa_offset (4)
+ sts.l mach,@-r15
+ cfi_adjust_cfa_offset (4)
+ movt r3 ! Save T flag.
+ mov.l r3,@-r15
+ cfi_adjust_cfa_offset (4)
+#ifdef HAVE_FPU
+ sts.l fpscr,@-r15
+ cfi_adjust_cfa_offset (4)
+ mov #8,r3
+ swap.w r3,r3
+ lds r3,fpscr
+ fmov.s fr11,@-r15
+ cfi_adjust_cfa_offset (4)
+ fmov.s fr10,@-r15
+ cfi_adjust_cfa_offset (4)
+ fmov.s fr9,@-r15
+ cfi_adjust_cfa_offset (4)
+ fmov.s fr8,@-r15
+ cfi_adjust_cfa_offset (4)
+ fmov.s fr7,@-r15
+ cfi_adjust_cfa_offset (4)
+ fmov.s fr6,@-r15
+ cfi_adjust_cfa_offset (4)
+ fmov.s fr5,@-r15
+ cfi_adjust_cfa_offset (4)
+ fmov.s fr4,@-r15
+ cfi_adjust_cfa_offset (4)
+#endif
+ sts.l pr,@-r15
+ cfi_adjust_cfa_offset (4)
+ tst r0,r0
+ bt 1f
+ mov r0,r2
+1:
+ mov r0,r4 ! PLT type
+ mov r2,r5 ! link map address
+#ifdef SHARED
+ mov.l 2f,r2
+ mova 2f,r0
+ add r0,r2 ! Get GOT address in r2
+ mov.l 3f,r0
+ add r2,r0
+#else
+ mov.l 3f,r0
+#endif
+ jsr @r0 ! Call resolver.
+ mov r1,r6 ! reloc offset
+ lds.l @r15+,pr ! Get register content back.
+ cfi_adjust_cfa_offset (-4)
+#ifdef HAVE_FPU
+ fmov.s @r15+,fr4
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr5
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr6
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr7
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr8
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr9
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr10
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr11
+ cfi_adjust_cfa_offset (-4)
+ lds.l @r15+,fpscr
+ cfi_adjust_cfa_offset (-4)
+#endif
+ mov.l @r15+,r3
+ cfi_adjust_cfa_offset (-4)
+ shal r3 ! Lode T flag.
+ lds.l @r15+,mach
+ cfi_adjust_cfa_offset (-4)
+ lds.l @r15+,macl
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r12
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r7
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r6
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r5
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r4
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r3
+ cfi_adjust_cfa_offset (-4)
+ jmp @r0 ! Jump to function address.
+ mov.l @r15+,r2
+ cfi_adjust_cfa_offset (-4)
+ .align 2
+#ifdef SHARED
+2: .long _GLOBAL_OFFSET_TABLE_
+3: .long _dl_fixup@GOTOFF
+#else
+3: .long _dl_fixup
+#endif
+ cfi_endproc
+ .size _dl_runtime_resolve, .-_dl_runtime_resolve
+
+
+ .globl _dl_runtime_profile
+ .type _dl_runtime_profile,@function
+ cfi_startproc
+ .align 5
+_dl_runtime_profile:
+ mov.l r12,@-r15
+ cfi_adjust_cfa_offset (4)
+#ifdef HAVE_FPU
+ sts.l fpscr,@-r15
+ cfi_adjust_cfa_offset (4)
+ mov #8,r12
+ swap.w r12,r12
+ lds r12,fpscr
+ fmov.s fr11,@-r15
+ cfi_adjust_cfa_offset (4)
+ fmov.s fr10,@-r15
+ cfi_adjust_cfa_offset (4)
+ fmov.s fr9,@-r15
+ cfi_adjust_cfa_offset (4)
+ fmov.s fr8,@-r15
+ cfi_adjust_cfa_offset (4)
+ fmov.s fr7,@-r15
+ cfi_adjust_cfa_offset (4)
+ fmov.s fr6,@-r15
+ cfi_adjust_cfa_offset (4)
+ fmov.s fr5,@-r15
+ cfi_adjust_cfa_offset (4)
+ fmov.s fr4,@-r15
+ cfi_adjust_cfa_offset (4)
+#else
+ add #-36,r15
+ cfi_adjust_cfa_offset (36)
+#endif
+ mov.l r7,@-r15
+ cfi_adjust_cfa_offset (4)
+ mov.l r6,@-r15
+ cfi_adjust_cfa_offset (4)
+ mov.l r5,@-r15
+ cfi_adjust_cfa_offset (4)
+ mov.l r4,@-r15
+ cfi_adjust_cfa_offset (4)
+ mov.l r3,@-r15
+ cfi_adjust_cfa_offset (4)
+ mov.l r2,@-r15
+ cfi_adjust_cfa_offset (4)
+ sts.l macl,@-r15
+ cfi_adjust_cfa_offset (4)
+ sts.l mach,@-r15
+ cfi_adjust_cfa_offset (4)
+ movt r3 ! Save T flag.
+ mov.l r3,@-r15
+ cfi_adjust_cfa_offset (4)
+ sts.l pr,@-r15
+ cfi_adjust_cfa_offset (4)
+ tst r0,r0
+ bt 1f
+ mov r0,r2
+1:
+ mov r0,r4 ! PLT type
+ mov r2,r5 ! link map address
+ sts pr,r7 ! return address
+ add #-24,r15
+ cfi_adjust_cfa_offset (24)
+ mov #40,r0
+ add r15,r0
+ mov.l r0,@r15 ! Address of the register structure
+ mov #-1,r0
+ mov.l r0,@(8,r15)
+ mov #8,r0
+ add r15,r0
+ mov.l r0,@(4,r15)
+ mov.l r5,@(12,r15)
+ mov.l r1,@(16,r15)
+#ifdef SHARED
+ mov.l 2f,r12
+ mova 2f,r0
+ add r0,r12 ! Get GOT address in r12
+ mov.l 3f,r0
+ add r12,r0
+#else
+ mov.l 3f,r0
+#endif
+ jsr @r0 ! Call resolver.
+ mov r1,r6 ! reloc offset
+ mov.l @(8,r15),r1
+ cmp/pz r1
+ bt 4f
+ add #24,r15
+ cfi_adjust_cfa_offset (-24)
+ lds.l @r15+,pr ! Get register content back.
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r3
+ cfi_adjust_cfa_offset (-4)
+ shal r3 ! Lode T flag.
+ lds.l @r15+,mach
+ cfi_adjust_cfa_offset (-4)
+ lds.l @r15+,macl
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r2
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r3
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r4
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r5
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r6
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r7
+ cfi_adjust_cfa_offset (-4)
+#ifdef HAVE_FPU
+ fmov.s @r15+,fr4
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr5
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr6
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr7
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr8
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr9
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr10
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr11
+ cfi_adjust_cfa_offset (-4)
+ lds.l @r15+,fpscr
+ cfi_adjust_cfa_offset (-4)
+#else
+ add #36,r15
+ cfi_adjust_cfa_offset (-36)
+#endif
+ jmp @r0 ! Jump to function address.
+ mov.l @r15+,r12
+ cfi_adjust_cfa_offset (-4)
+ .align 2
+#ifdef SHARED
+2: .long _GLOBAL_OFFSET_TABLE_
+3: .long _dl_profile_fixup@GOTOFF
+#else
+3: .long _dl_profile_fixup
+#endif
+
+ cfi_adjust_cfa_offset (104)
+4:
+ mov #104,r3
+ add r15,r3 ! Original stack
+ mov.l r8,@(20,r15)
+ cfi_rel_offset (r8, 20)
+ mov r15,r8
+ sub r1,r15
+ shlr2 r15
+ shll2 r15
+ mov r15,r4
+ shlr2 r1
+ tst r1,r1
+5:
+ bt/s 6f
+ dt r1
+ mov.l @r3+,r2
+ mov.l r2,@r4
+ bra 5b
+ add #4,r4
+6:
+ mov.l @r8,r12
+ mov.l @r12+,r2
+ mov.l @r12+,r3
+ mov.l @r12+,r4
+ mov.l @r12+,r5
+ mov.l @r12+,r6
+ mov.l @r12+,r7
+#ifdef HAVE_FPU
+ fmov.s @r12+,fr4
+ fmov.s @r12+,fr5
+ fmov.s @r12+,fr6
+ fmov.s @r12+,fr7
+ fmov.s @r12+,fr8
+ fmov.s @r12+,fr9
+ fmov.s @r12+,fr10
+ fmov.s @r12+,fr11
+ lds.l @r12+,fpscr
+#else
+ add #36,r2
+#endif
+ jsr @r0 ! Call function.
+ nop
+ mov r8,r15
+ mov.l @(12,r15),r4 ! link map address
+ mov.l @(16,r15),r5 ! reloc offset
+ mov.l @r15,r6 ! input registers
+#ifdef HAVE_FPU
+ mov #16,r8
+ add r15,r8
+ fmov.s fr1,@-r8
+ fmov.s fr0,@-r8
+#else
+ mov #8,r8
+ add r15,r8
+#endif
+ mov.l r1,@-r8
+ mov.l r0,@-r8
+ mov.l @(20,r15),r8
+ cfi_restore (r8)
+#ifdef SHARED
+ mov.l 7f,r12
+ mova 7f,r0
+ add r0,r12 ! Get GOT address in r12
+ mov.l 8f,r0
+ add r12,r0
+#else
+ mov.l 8f,r0
+#endif
+ jsr @r0
+ mov r15,r7 ! output registers
+ mov.l @r15+,r0
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r1
+ cfi_adjust_cfa_offset (-4)
+#ifdef HAVE_FPU
+ fmov.s @r15+,fr0
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr1
+ cfi_adjust_cfa_offset (-4)
+ add #8,r15
+ cfi_adjust_cfa_offset (-8)
+#else
+ add #16,r15
+ cfi_adjust_cfa_offset (-16)
+#endif
+ lds.l @r15+,pr ! Get register content back.
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r3
+ cfi_adjust_cfa_offset (-4)
+ shal r3 ! Lode T flag.
+ lds.l @r15+,mach
+ cfi_adjust_cfa_offset (-4)
+ lds.l @r15+,macl
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r2
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r3
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r4
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r5
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r6
+ cfi_adjust_cfa_offset (-4)
+ mov.l @r15+,r7
+ cfi_adjust_cfa_offset (-4)
+#ifdef HAVE_FPU
+ fmov.s @r15+,fr4
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr5
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr6
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr7
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr8
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr9
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr10
+ cfi_adjust_cfa_offset (-4)
+ fmov.s @r15+,fr11
+ cfi_adjust_cfa_offset (-4)
+ lds.l @r15+,fpscr
+ cfi_adjust_cfa_offset (-4)
+#else
+ add #36,r15
+ cfi_adjust_cfa_offset (-36)
+#endif
+ rts ! Jump to function address.
+ mov.l @r15+,r12
+ cfi_adjust_cfa_offset (-4)
+ cfi_endproc
+ .align 2
+#ifdef SHARED
+7: .long _GLOBAL_OFFSET_TABLE_
+8: .long _dl_call_pltexit@GOTOFF
+#else
+8: .long _dl_call_pltexit
+#endif
+ .size _dl_runtime_profile, .-_dl_runtime_profile