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crtbegin.asm (dtor_ptr): Make gp-relative.

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* config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
        (__do_global_dtors_aux): Update to match.
        (__JCR_LIST__, __do_jv_register_classes): New.
        (.init): Call it.
        * config/ia64/crtend.asm (__JCR_END__): New.
        (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
        instead of an indirect LTOFF22 reloc.

From-SVN: r45023
This commit is contained in:
Richard Henderson 2001-08-18 21:46:25 -07:00 committed by Richard Henderson
parent 213f974a3a
commit 3dff7ed031
3 changed files with 100 additions and 11 deletions
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8
gcc/ChangeLog
View File

@ -5,6 +5,14 @@
(frame_dummy, __frame_dummy): Do java registration here ...
(__do_global_ctors_aux): ... not here.
* config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
(__do_global_dtors_aux): Update to match.
(__JCR_LIST__, __do_jv_register_classes): New.
(.init): Call it.
* config/ia64/crtend.asm (__JCR_END__): New.
(__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
instead of an indirect LTOFF22 reloc.
2001-08-18 Richard Henderson <rth@redhat.com>
* flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.

87
gcc/config/ia64/crtbegin.asm
View File

@ -26,11 +26,15 @@ __CTOR_LIST__:
__DTOR_LIST__:
data8 -1
.section .jcr,"aw","progbits"
.align 8
__JCR_LIST__:
.section .sdata
.type dtor_ptr#,@object
.size dtor_ptr#,8
dtor_ptr:
data8 __DTOR_LIST__# + 8
data8 @gprel(__DTOR_LIST__# + 8)
/* A handle for __cxa_finalize to manage c++ local destructors. */
.global __dso_handle#
@ -77,6 +81,24 @@ __dso_handle:
;;
}
/* Likewise for _init. */
.section .init,"ax","progbits"
{ .mlx
movl r2 = @pcrel(__do_jv_register_classes# - 16)
}
{ .mii
mov r3 = ip
;;
add r2 = r2, r3
;;
}
{ .mib
mov b6 = r2
br.call.sptk.many b0 = b6
;;
}
.section .text
.align 16
.proc __do_global_dtors_aux#
@ -150,17 +172,20 @@ __do_global_dtors_aux:
{ .mmi
ld8 r15 = [loc0]
;;
ld8 r16 = [r15], 8
add r16 = r15, gp
adds r15 = 8, r15
;;
}
{ .mfb
cmp.ne p6, p0 = r0, r16
(p6) br.cond.sptk.few 0b
}
{ .mii
{ .mmi
ld8 r16 = [r16]
mov gp = loc2
mov b0 = loc1
;;
}
{ .mib
cmp.ne p6, p0 = r0, r16
mov ar.pfs = loc3
(p6) br.cond.sptk.few 0b
}
{ .bbb
br.ret.sptk.many b0
@ -168,6 +193,54 @@ __do_global_dtors_aux:
}
.endp __do_global_dtors_aux#
.align 16
.proc __do_jv_register_classes#
__do_jv_register_classes:
{ .mlx
alloc loc2 = ar.pfs, 0, 3, 1, 0
movl out0 = @gprel(__JCR_LIST__)
;;
}
{ .mmi
addl r14 = @ltoff(@fptr(_Jv_RegisterClasses)), gp
add out0 = out0, gp
;;
}
{ .mmi
ld8 r14 = [r14]
ld8 r15 = [out0]
cmp.ne p6, p0 = r0, r0
;;
}
{ .mib
cmp.eq.or p6, p0 = r0, r14
cmp.eq.or p6, p0 = r0, r15
(p6) br.ret.sptk.many b0
}
{ .mii
ld8 r15 = [r14], 8
mov loc0 = b0
mov loc1 = gp
;;
}
{ .mib
ld8 gp = [r14]
mov b6 = r15
br.call.sptk.many b0 = b6
;;
}
{ .mii
mov gp = loc1
mov b0 = loc0
mov ar.pfs = loc2
}
{ .bbb
br.ret.sptk.many b0
;;
}
.endp __do_jv_register_classes#
#ifdef SHARED
.weak __cxa_finalize#
#endif
.weak _Jv_RegisterClasses

16
gcc/config/ia64/crtend.asm
View File

@ -26,6 +26,11 @@ __CTOR_END__:
__DTOR_END__:
data8 0
.section .jcr,"aw","progbits"
.align 8
__JCR_END__:
data8 0
/*
* Fragment of the ELF _init routine that invokes our dtor cleanup.
*
@ -63,15 +68,18 @@ __do_global_ctors_aux:
for (loc0 = __CTOR_END__-1; *p != -1; --p)
(*p) ();
*/
{ .mii
{ .mlx
alloc loc4 = ar.pfs, 0, 5, 0, 0
addl loc0 = @ltoff(__CTOR_END__# - 8), gp
mov loc1 = b0
movl loc0 = @gprel(__CTOR_END__# - 8)
;;
}
{ .mmi
ld8 loc0 = [loc0]
add loc0 = loc0, gp
mov loc1 = b0
;;
}
{
.mmi
ld8 loc3 = [loc0], -8
mov loc2 = gp
;;