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sysv.S (FDE_ENCODING, FDE_ENCODE): Define.

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2010-11-29  Richard Henderson  <rth@redhat.com>
	    Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* src/x86/sysv.S (FDE_ENCODING, FDE_ENCODE): Define.
	(.eh_frame): Use FDE_ENCODING.
	(.LASFDE1, .LASFDE2, LASFDE3): Simplify with FDE_ENCODE.

Co-Authored-By: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>

From-SVN: r167251
This commit is contained in:
Richard Henderson 2010-11-29 08:43:24 -08:00 committed by Rainer Orth
parent c8718cb3ef
commit e12bcbf492
2 changed files with 33 additions and 25 deletions
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7
libffi/ChangeLog
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@ -1,3 +1,10 @@
2010-11-29 Richard Henderson <rth@redhat.com>
Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* src/x86/sysv.S (FDE_ENCODING, FDE_ENCODE): Define.
(.eh_frame): Use FDE_ENCODING.
(.LASFDE1, .LASFDE2, LASFDE3): Simplify with FDE_ENCODE.
2010-11-15 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* testsuite/lib/libffi-dg.exp: Rename ...

45
libffi/src/x86/sysv.S
View File

@ -328,6 +328,25 @@ ffi_closure_raw_SYSV:
.size ffi_closure_raw_SYSV, .-ffi_closure_raw_SYSV
#endif
#if defined __PIC__
# if defined __sun__ && defined __svr4__
/* 32-bit Solaris 2/x86 uses datarel encoding for PIC. GNU ld before 2.22
doesn't correctly sort .eh_frame_hdr with mixed encodings, so match this. */
# define FDE_ENCODING 0x30 /* datarel */
# define FDE_ENCODE(X) X@GOTOFF
# else
# define FDE_ENCODING 0x1b /* pcrel sdata4 */
# if defined HAVE_AS_X86_PCREL
# define FDE_ENCODE(X) X-.
# else
# define FDE_ENCODE(X) X@rel
# endif
# endif
#else
# define FDE_ENCODING 0 /* absolute */
# define FDE_ENCODE(X) X
#endif
.section .eh_frame,EH_FRAME_FLAGS,@progbits
.Lframe1:
.long .LECIE1-.LSCIE1 /* Length of Common Information Entry */
@ -354,7 +373,7 @@ ffi_closure_raw_SYSV:
.byte 0x8 /* CIE RA Column */
#ifdef __PIC__
.byte 0x1 /* .uleb128 0x1; Augmentation size */
.byte 0x1b /* FDE Encoding (pcrel sdata4) */
.byte FDE_ENCODING
#endif
.byte 0xc /* DW_CFA_def_cfa */
.byte 0x4 /* .uleb128 0x4 */
@ -367,13 +386,7 @@ ffi_closure_raw_SYSV:
.long .LEFDE1-.LASFDE1 /* FDE Length */
.LASFDE1:
.long .LASFDE1-.Lframe1 /* FDE CIE offset */
#if defined __PIC__ && defined HAVE_AS_X86_PCREL
.long .LFB1-. /* FDE initial location */
#elif defined __PIC__
.long .LFB1@rel
#else
.long .LFB1
#endif
.long FDE_ENCODE(.LFB1) /* FDE initial location */
.long .LFE1-.LFB1 /* FDE address range */
#ifdef __PIC__
.byte 0x0 /* .uleb128 0x0; Augmentation size */
@ -394,13 +407,7 @@ ffi_closure_raw_SYSV:
.long .LEFDE2-.LASFDE2 /* FDE Length */
.LASFDE2:
.long .LASFDE2-.Lframe1 /* FDE CIE offset */
#if defined __PIC__ && defined HAVE_AS_X86_PCREL
.long .LFB2-. /* FDE initial location */
#elif defined __PIC__
.long .LFB2@rel
#else
.long .LFB2
#endif
.long FDE_ENCODE(.LFB2) /* FDE initial location */
.long .LFE2-.LFB2 /* FDE address range */
#ifdef __PIC__
.byte 0x0 /* .uleb128 0x0; Augmentation size */
@ -430,13 +437,7 @@ ffi_closure_raw_SYSV:
.long .LEFDE3-.LASFDE3 /* FDE Length */
.LASFDE3:
.long .LASFDE3-.Lframe1 /* FDE CIE offset */
#if defined __PIC__ && defined HAVE_AS_X86_PCREL
.long .LFB3-. /* FDE initial location */
#elif defined __PIC__
.long .LFB3@rel
#else
.long .LFB3
#endif
.long FDE_ENCODE(.LFB3) /* FDE initial location */
.long .LFE3-.LFB3 /* FDE address range */
#ifdef __PIC__
.byte 0x0 /* .uleb128 0x0; Augmentation size */