2014-09-10 Jakub Jelinek <jakub@redhat.com>

	* src/powerpc/linux64.S: Emit .note.GNU-stack even when
	POWERPC64 is not defined.
	* src/powerpc/linux64_closure.S: Likewise.  Also test _CALL_ELF == 2.

3 files changed, 397 insertions, 4 deletions

diff --git a/src/powerpc/linux64.S b/src/powerpc/linux64.S
index c4d01d8..d2acb70 100644
--- a/src/powerpc/linux64.S
+++ b/src/powerpc/linux64.S
@@ -254,7 +254,8 @@ ffi_call_LINUX64:
 	.align 3
 .LEFDE1:
 
-# if (defined __ELF__ && defined __linux__) || _CALL_ELF == 2
+#endif
+
+#if (defined __ELF__ && defined __linux__) || _CALL_ELF == 2
 	.section	.note.GNU-stack,"",@progbits
-# endif
 #endif
diff --git a/src/powerpc/linux64_closure.S b/src/powerpc/linux64_closure.S
index bc61b5e..97421a4 100644
--- a/src/powerpc/linux64_closure.S
+++ b/src/powerpc/linux64_closure.S
@@ -385,7 +385,8 @@ ffi_closure_LINUX64:
 	.align 3
 .LEFDE1:
 
-# if defined __ELF__ && defined __linux__
+#endif
+
+#if (defined __ELF__ && defined __linux__) || _CALL_ELF == 2
 	.section	.note.GNU-stack,"",@progbits
-# endif
 #endif
diff --git a/src/powerpc/linux64_closure.S.orig b/src/powerpc/linux64_closure.S.orig
new file mode 100644
index 0000000..bc61b5e
--- /dev/null
+++ b/src/powerpc/linux64_closure.S.orig
@@ -0,0 +1,391 @@
+/* -----------------------------------------------------------------------
+   sysv.h - Copyright (c) 2003 Jakub Jelinek <jakub@redhat.com>
+	    Copyright (c) 2008 Red Hat, Inc.
+
+   PowerPC64 Assembly glue.
+
+   Permission is hereby granted, free of charge, to any person obtaining
+   a copy of this software and associated documentation files (the
+   ``Software''), to deal in the Software without restriction, including
+   without limitation the rights to use, copy, modify, merge, publish,
+   distribute, sublicense, and/or sell copies of the Software, and to
+   permit persons to whom the Software is furnished to do so, subject to
+   the following conditions:
+
+   The above copyright notice and this permission notice shall be included
+   in all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+   NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+   ----------------------------------------------------------------------- */
+#define LIBFFI_ASM
+#include <fficonfig.h>
+#include <ffi.h>
+
+	.file	"linux64_closure.S"
+
+#ifdef POWERPC64
+	FFI_HIDDEN (ffi_closure_LINUX64)
+	.globl  ffi_closure_LINUX64
+# if _CALL_ELF == 2
+	.text
+ffi_closure_LINUX64:
+	addis	%r2, %r12, .TOC.-ffi_closure_LINUX64@ha
+	addi	%r2, %r2, .TOC.-ffi_closure_LINUX64@l
+	.localentry ffi_closure_LINUX64, . - ffi_closure_LINUX64
+# else
+	.section        ".opd","aw"
+	.align  3
+ffi_closure_LINUX64:
+#  ifdef _CALL_LINUX
+	.quad   .L.ffi_closure_LINUX64,.TOC.@tocbase,0
+	.type   ffi_closure_LINUX64,@function
+	.text
+.L.ffi_closure_LINUX64:
+#  else
+	FFI_HIDDEN (.ffi_closure_LINUX64)
+	.globl  .ffi_closure_LINUX64
+	.quad   .ffi_closure_LINUX64,.TOC.@tocbase,0
+	.size   ffi_closure_LINUX64,24
+	.type   .ffi_closure_LINUX64,@function
+	.text
+.ffi_closure_LINUX64:
+#  endif
+# endif
+
+# if _CALL_ELF == 2
+#  32 byte special reg save area + 64 byte parm save area
+#  + 64 byte retval area + 13*8 fpr save area + round to 16
+#  define STACKFRAME 272
+#  define PARMSAVE 32
+#  define RETVAL PARMSAVE+64
+# else
+#  48 bytes special reg save area + 64 bytes parm save area
+#  + 16 bytes retval area + 13*8 bytes fpr save area + round to 16
+#  define STACKFRAME 240
+#  define PARMSAVE 48
+#  define RETVAL PARMSAVE+64
+# endif
+
+.LFB1:
+# if _CALL_ELF == 2
+	ld	%r12, FFI_TRAMPOLINE_SIZE(%r11)		# closure->cif
+	mflr	%r0
+	lwz	%r12, 28(%r12)				# cif->flags
+	mtcrf	0x40, %r12
+	addi	%r12, %r1, PARMSAVE
+	bt	7, .Lparmsave
+	# Our caller has not allocated a parameter save area.
+	# We need to allocate one here and use it to pass gprs to
+	# ffi_closure_helper_LINUX64.
+	addi	%r12, %r1, -STACKFRAME+PARMSAVE
+.Lparmsave:
+	std	%r0, 16(%r1)
+	# Save general regs into parm save area
+	std	%r3, 0(%r12)
+	std	%r4, 8(%r12)
+	std	%r5, 16(%r12)
+	std	%r6, 24(%r12)
+	std	%r7, 32(%r12)
+	std	%r8, 40(%r12)
+	std	%r9, 48(%r12)
+	std	%r10, 56(%r12)
+
+	# load up the pointer to the parm save area
+	mr	%r5, %r12
+# else
+	# copy r2 to r11 and load TOC into r2
+	mr	%r11, %r2
+	ld	%r2, 16(%r11)
+
+	mflr	%r0
+	# Save general regs into parm save area
+	# This is the parameter save area set up by our caller.
+	std	%r3, PARMSAVE+0(%r1)
+	std	%r4, PARMSAVE+8(%r1)
+	std	%r5, PARMSAVE+16(%r1)
+	std	%r6, PARMSAVE+24(%r1)
+	std	%r7, PARMSAVE+32(%r1)
+	std	%r8, PARMSAVE+40(%r1)
+	std	%r9, PARMSAVE+48(%r1)
+	std	%r10, PARMSAVE+56(%r1)
+
+	std	%r0, 16(%r1)
+
+	# load up the pointer to the parm save area
+	addi	%r5, %r1, PARMSAVE
+# endif
+
+	# next save fpr 1 to fpr 13
+	stfd	%f1, -104+(0*8)(%r1)
+	stfd	%f2, -104+(1*8)(%r1)
+	stfd	%f3, -104+(2*8)(%r1)
+	stfd	%f4, -104+(3*8)(%r1)
+	stfd	%f5, -104+(4*8)(%r1)
+	stfd	%f6, -104+(5*8)(%r1)
+	stfd	%f7, -104+(6*8)(%r1)
+	stfd	%f8, -104+(7*8)(%r1)
+	stfd	%f9, -104+(8*8)(%r1)
+	stfd	%f10, -104+(9*8)(%r1)
+	stfd	%f11, -104+(10*8)(%r1)
+	stfd	%f12, -104+(11*8)(%r1)
+	stfd	%f13, -104+(12*8)(%r1)
+
+	# load up the pointer to the saved fpr registers */
+	addi	%r6, %r1, -104
+
+	# load up the pointer to the result storage
+	addi	%r4, %r1, -STACKFRAME+RETVAL
+
+	stdu	%r1, -STACKFRAME(%r1)
+.LCFI0:
+
+	# get the context pointer from the trampoline
+	mr	%r3, %r11
+
+	# make the call
+# if defined _CALL_LINUX || _CALL_ELF == 2
+	bl ffi_closure_helper_LINUX64
+# else
+	bl .ffi_closure_helper_LINUX64
+# endif
+.Lret:
+
+	# now r3 contains the return type
+	# so use it to look up in a table
+	# so we know how to deal with each type
+
+	# look up the proper starting point in table
+	# by using return type as offset
+	ld %r0, STACKFRAME+16(%r1)
+	cmpldi %r3, FFI_V2_TYPE_SMALL_STRUCT
+	bge .Lsmall
+	mflr %r4		# move address of .Lret to r4
+	sldi %r3, %r3, 4	# now multiply return type by 16
+	addi %r4, %r4, .Lret_type0 - .Lret
+	add %r3, %r3, %r4	# add contents of table to table address
+	mtctr %r3
+	bctr			# jump to it
+
+# Each of the ret_typeX code fragments has to be exactly 16 bytes long
+# (4 instructions). For cache effectiveness we align to a 16 byte boundary
+# first.
+	.align 4
+
+.Lret_type0:
+# case FFI_TYPE_VOID
+	mtlr %r0
+	addi %r1, %r1, STACKFRAME
+	blr
+	nop
+# case FFI_TYPE_INT
+# ifdef __LITTLE_ENDIAN__
+	lwa %r3, RETVAL+0(%r1)
+# else
+	lwa %r3, RETVAL+4(%r1)
+# endif
+	mtlr %r0
+	addi %r1, %r1, STACKFRAME
+	blr
+# case FFI_TYPE_FLOAT
+	lfs %f1, RETVAL+0(%r1)
+	mtlr %r0
+	addi %r1, %r1, STACKFRAME
+	blr
+# case FFI_TYPE_DOUBLE
+	lfd %f1, RETVAL+0(%r1)
+	mtlr %r0
+	addi %r1, %r1, STACKFRAME
+	blr
+# case FFI_TYPE_LONGDOUBLE
+	lfd %f1, RETVAL+0(%r1)
+	mtlr %r0
+	lfd %f2, RETVAL+8(%r1)
+	b .Lfinish
+# case FFI_TYPE_UINT8
+# ifdef __LITTLE_ENDIAN__
+	lbz %r3, RETVAL+0(%r1)
+# else
+	lbz %r3, RETVAL+7(%r1)
+# endif
+	mtlr %r0
+	addi %r1, %r1, STACKFRAME
+	blr
+# case FFI_TYPE_SINT8
+# ifdef __LITTLE_ENDIAN__
+	lbz %r3, RETVAL+0(%r1)
+# else
+	lbz %r3, RETVAL+7(%r1)
+# endif
+	extsb %r3,%r3
+	mtlr %r0
+	b .Lfinish
+# case FFI_TYPE_UINT16
+# ifdef __LITTLE_ENDIAN__
+	lhz %r3, RETVAL+0(%r1)
+# else
+	lhz %r3, RETVAL+6(%r1)
+# endif
+	mtlr %r0
+.Lfinish:
+	addi %r1, %r1, STACKFRAME
+	blr
+# case FFI_TYPE_SINT16
+# ifdef __LITTLE_ENDIAN__
+	lha %r3, RETVAL+0(%r1)
+# else
+	lha %r3, RETVAL+6(%r1)
+# endif
+	mtlr %r0
+	addi %r1, %r1, STACKFRAME
+	blr
+# case FFI_TYPE_UINT32
+# ifdef __LITTLE_ENDIAN__
+	lwz %r3, RETVAL+0(%r1)
+# else
+	lwz %r3, RETVAL+4(%r1)
+# endif
+	mtlr %r0
+	addi %r1, %r1, STACKFRAME
+	blr
+# case FFI_TYPE_SINT32
+# ifdef __LITTLE_ENDIAN__
+	lwa %r3, RETVAL+0(%r1)
+# else
+	lwa %r3, RETVAL+4(%r1)
+# endif
+	mtlr %r0
+	addi %r1, %r1, STACKFRAME
+	blr
+# case FFI_TYPE_UINT64
+	ld %r3, RETVAL+0(%r1)
+	mtlr %r0
+	addi %r1, %r1, STACKFRAME
+	blr
+# case FFI_TYPE_SINT64
+	ld %r3, RETVAL+0(%r1)
+	mtlr %r0
+	addi %r1, %r1, STACKFRAME
+	blr
+# case FFI_TYPE_STRUCT
+	mtlr %r0
+	addi %r1, %r1, STACKFRAME
+	blr
+	nop
+# case FFI_TYPE_POINTER
+	ld %r3, RETVAL+0(%r1)
+	mtlr %r0
+	addi %r1, %r1, STACKFRAME
+	blr
+# case FFI_V2_TYPE_FLOAT_HOMOG
+	lfs %f1, RETVAL+0(%r1)
+	lfs %f2, RETVAL+4(%r1)
+	lfs %f3, RETVAL+8(%r1)
+	b .Lmorefloat
+# case FFI_V2_TYPE_DOUBLE_HOMOG
+	lfd %f1, RETVAL+0(%r1)
+	lfd %f2, RETVAL+8(%r1)
+	lfd %f3, RETVAL+16(%r1)
+	lfd %f4, RETVAL+24(%r1)
+	mtlr %r0
+	lfd %f5, RETVAL+32(%r1)
+	lfd %f6, RETVAL+40(%r1)
+	lfd %f7, RETVAL+48(%r1)
+	lfd %f8, RETVAL+56(%r1)
+	addi %r1, %r1, STACKFRAME
+	blr
+.Lmorefloat:
+	lfs %f4, RETVAL+12(%r1)
+	mtlr %r0
+	lfs %f5, RETVAL+16(%r1)
+	lfs %f6, RETVAL+20(%r1)
+	lfs %f7, RETVAL+24(%r1)
+	lfs %f8, RETVAL+28(%r1)
+	addi %r1, %r1, STACKFRAME
+	blr
+.Lsmall:
+# ifdef __LITTLE_ENDIAN__
+	ld %r3,RETVAL+0(%r1)
+	mtlr %r0
+	ld %r4,RETVAL+8(%r1)
+	addi %r1, %r1, STACKFRAME
+	blr
+# else
+	# A struct smaller than a dword is returned in the low bits of r3
+	# ie. right justified.  Larger structs are passed left justified
+	# in r3 and r4.  The return value area on the stack will have
+	# the structs as they are usually stored in memory.
+	cmpldi %r3, FFI_V2_TYPE_SMALL_STRUCT + 7 # size 8 bytes?
+	neg %r5, %r3
+	ld %r3,RETVAL+0(%r1)
+	blt .Lsmalldown
+	mtlr %r0
+	ld %r4,RETVAL+8(%r1)
+	addi %r1, %r1, STACKFRAME
+	blr
+.Lsmalldown:
+	addi %r5, %r5, FFI_V2_TYPE_SMALL_STRUCT + 7
+	mtlr %r0
+	sldi %r5, %r5, 3
+	addi %r1, %r1, STACKFRAME
+	srd %r3, %r3, %r5
+	blr
+# endif
+
+.LFE1:
+	.long	0
+	.byte	0,12,0,1,128,0,0,0
+# if _CALL_ELF == 2
+	.size	ffi_closure_LINUX64,.-ffi_closure_LINUX64
+# else
+#  ifdef _CALL_LINUX
+	.size	ffi_closure_LINUX64,.-.L.ffi_closure_LINUX64
+#  else
+	.size	.ffi_closure_LINUX64,.-.ffi_closure_LINUX64
+#  endif
+# endif
+
+	.section	.eh_frame,EH_FRAME_FLAGS,@progbits
+.Lframe1:
+	.4byte	.LECIE1-.LSCIE1	 # Length of Common Information Entry
+.LSCIE1:
+	.4byte	0x0	 # CIE Identifier Tag
+	.byte	0x1	 # CIE Version
+	.ascii "zR\0"	 # CIE Augmentation
+	.uleb128 0x1	 # CIE Code Alignment Factor
+	.sleb128 -8	 # CIE Data Alignment Factor
+	.byte	0x41	 # CIE RA Column
+	.uleb128 0x1	 # Augmentation size
+	.byte	0x14	 # FDE Encoding (pcrel udata8)
+	.byte	0xc	 # DW_CFA_def_cfa
+	.uleb128 0x1
+	.uleb128 0x0
+	.align 3
+.LECIE1:
+.LSFDE1:
+	.4byte	.LEFDE1-.LASFDE1	 # FDE Length
+.LASFDE1:
+	.4byte	.LASFDE1-.Lframe1	 # FDE CIE offset
+	.8byte	.LFB1-.	 # FDE initial location
+	.8byte	.LFE1-.LFB1	 # FDE address range
+	.uleb128 0x0	 # Augmentation size
+	.byte	0x2	 # DW_CFA_advance_loc1
+	.byte	.LCFI0-.LFB1
+	.byte	0xe	 # DW_CFA_def_cfa_offset
+	.uleb128 STACKFRAME
+	.byte	0x11	 # DW_CFA_offset_extended_sf
+	.uleb128 0x41
+	.sleb128 -2
+	.align 3
+.LEFDE1:
+
+# if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+# endif
+#endif