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-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
new file mode 100644
index 0000000000..79493d50b9
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+++ 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