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lb1sf68.asm (PICCALL, PICJUMP): Use GOT instead of PC-relative addressing when compiling for uclinux PIC.

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* config/m68k/lb1sf68.asm (PICCALL, PICJUMP): Use GOT instead of
	PC-relative addressing when compiling for uclinux PIC.
	(__cmpdf_internal, __cmpsf_internal): Hide.
	(__cmpdf, __cmpsf): Use PIC call sequence.

Co-Authored-By: Maxim Kuvyrkov <maxim@codesourcery.com>

From-SVN: r142373
This commit is contained in:
Nathan Sidwell 2008-12-02 21:50:02 +00:00 committed by Maxim Kuvyrkov
parent 384392535a
commit c1af059c2c
2 changed files with 72 additions and 34 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2008-12-02 Nathan Sidwell <nathan@codesourcery.com>
Maxim Kuvyrkov <maxim@codesourcery.com>
* config/m68k/lb1sf68.asm (PICCALL, PICJUMP): Use GOT instead of
PC-relative addressing when compiling for uclinux PIC.
(__cmpdf_internal, __cmpsf_internal): Hide.
(__cmpdf, __cmpsf): Use PIC call sequence.
2008-12-02 Andreas Tobler <a.tobler@schweiz.org>
Jack Howarth <howarth@bromo.med.uc.edu>

98
gcc/config/m68k/lb1sf68.asm
View File

@ -129,8 +129,45 @@ Boston, MA 02110-1301, USA. */
#else /* __PIC__ */
/* Common for Linux and uClinux, the latter with either
-mid-shared-library or -msep-data. */
# if defined (__uClinux__)
/* Versions for uClinux */
# if defined(__ID_SHARED_LIBRARY__)
/* -mid-shared-library versions */
.macro PICLEA sym, reg
movel a5@(_current_shared_library_a5_offset_), \reg
movel \sym@GOT(\reg), \reg
.endm
.macro PICPEA sym, areg
movel a5@(_current_shared_library_a5_offset_), \areg
movel \sym@GOT(\areg), sp@-
.endm
.macro PICCALL addr
PICLEA \addr,a0
jsr a0@
.endm
.macro PICJUMP addr
PICLEA \addr,a0
jmp a0@
.endm
# else /* !__ID_SHARED_LIBRARY__ */
/* Versions for -msep-data */
.macro PICLEA sym, reg
movel \sym@GOT(a5), \reg
.endm
.macro PICPEA sym, areg
movel \sym@GOT(a5), sp@-
.endm
.macro PICCALL addr
#if defined (__mcoldfire__) && !defined (__mcfisab__) && !defined (__mcfisac__)
@ -153,36 +190,6 @@ Boston, MA 02110-1301, USA. */
#endif
.endm
# if defined (__uClinux__)
/* Versions for uClinux */
# if defined(__ID_SHARED_LIBRARY__)
/* -mid-shared-library versions */
.macro PICLEA sym, reg
movel a5@(_current_shared_library_a5_offset_), \reg
movel \sym@GOT(\reg), \reg
.endm
.macro PICPEA sym, areg
movel a5@(_current_shared_library_a5_offset_), \areg
movel \sym@GOT(\areg), sp@-
.endm
# else /* !__ID_SHARED_LIBRARY__ */
/* Versions for -msep-data */
.macro PICLEA sym, reg
movel \sym@GOT(a5), \reg
.endm
.macro PICPEA sym, areg
movel \sym@GOT(a5), sp@-
.endm
# endif
# else /* !__uClinux__ */
@ -201,6 +208,27 @@ Boston, MA 02110-1301, USA. */
movel \sym@GOT(\areg), sp@-
.endm
.macro PICCALL addr
#if defined (__mcoldfire__) && !defined (__mcfisab__) && !defined (__mcfisac__)
lea \addr-.-8,a0
jsr pc@(a0)
#else
bsr \addr
#endif
.endm
.macro PICJUMP addr
/* ISA C has no bra.l instruction, and since this assembly file
gets assembled into multiple object files, we avoid the
bra instruction entirely. */
#if defined (__mcoldfire__) && !defined (__mcfisab__)
lea \addr-.-8,a0
jmp pc@(a0)
#else
bra \addr
#endif
.endm
# endif
#endif /* __PIC__ */
@ -648,6 +676,7 @@ ROUND_TO_MINUS = 3 | round result towards minus infinity
.globl SYM (__negdf2)
.globl SYM (__cmpdf2)
.globl SYM (__cmpdf2_internal)
.hidden SYM (__cmpdf2_internal)
.text
.even
@ -2410,7 +2439,7 @@ SYM (__cmpdf2):
movl a6@(16),sp@-
movl a6@(12),sp@-
movl a6@(8),sp@-
bsr SYM (__cmpdf2_internal)
PICCALL SYM (__cmpdf2_internal)
unlk a6
rts
@ -2562,6 +2591,7 @@ ROUND_TO_MINUS = 3 | round result towards minus infinity
.globl SYM (__negsf2)
.globl SYM (__cmpsf2)
.globl SYM (__cmpsf2_internal)
.hidden SYM (__cmpsf2_internal)
| These are common routines to return and signal exceptions.
@ -3816,7 +3846,7 @@ SYM (__cmpsf2):
pea 1
movl a6@(12),sp@-
movl a6@(8),sp@-
bsr (__cmpsf2_internal)
PICCALL SYM (__cmpsf2_internal)
unlk a6
rts