mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-12-24 12:13:42 +01:00
Rename: src/ia64/Ginstall_cursor-ia64.S.S -> src/ia64/Ginstall_cursor.S
(Logical change 1.241)
This commit is contained in:
homeip.net!davidm
parent
5b0dd22644
commit
5abc74b276
1 changed files with 322 additions and 0 deletions
322
src/ia64/Ginstall_cursor.S
Normal file
322
src/ia64/Ginstall_cursor.S
Normal file
|
|
@ -0,0 +1,322 @@
|
|||
/* libunwind - a platform-independent unwind library
|
||||
Copyright (C) 2001-2003 Hewlett-Packard Co
|
||||
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
|
||||
|
||||
This file is part of libunwind.
|
||||
|
||||
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. */
|
||||
|
||||
#include "ucontext_i.h"
|
||||
|
||||
#ifdef UNW_LOCAL_ONLY
|
||||
# include "Lcursor_i.h"
|
||||
# define ia64_install_cursor _ULia64_install_cursor
|
||||
#else
|
||||
# include "Gcursor_i.h"
|
||||
# define ia64_install_cursor _Uia64_install_cursor
|
||||
#endif
|
||||
|
||||
#define SYS_sigreturn 1181
|
||||
|
||||
#ifndef UNW_REMOTE_ONLY
|
||||
|
||||
/* ia64_install_cursor (const cursor *c, long pri_unat, long *extra)
|
||||
|
||||
Restores the machine-state represented by C and thereby resumes execution
|
||||
in that frame. If the frame or one of its descendants was interrupted
|
||||
by a signal, all registers are restored (including the signal mask).
|
||||
Otherwise, only the preserved registers, the global-pointer (r1), and
|
||||
the exception-arguments (r15-r18) are restored. */
|
||||
|
||||
#define pRet p6
|
||||
#define pSig p7
|
||||
|
||||
.align 32
|
||||
.hidden ia64_install_cursor
|
||||
.global ia64_install_cursor
|
||||
.proc ia64_install_cursor
|
||||
ia64_install_cursor:
|
||||
alloc r3 = ar.pfs, 3, 0, 0, 0
|
||||
invala
|
||||
add r2 = FR_LOC_OFF, in0
|
||||
;;
|
||||
|
||||
ld8 r16 = [r2], LOC_SIZE // r16 = loc[IA64_REG_FR16]
|
||||
mov.m r10 = ar.rsc // (ar.rsc: ~ 12 cycle latency)
|
||||
add r3 = FR_LOC_OFF + 16, in0
|
||||
;;
|
||||
|
||||
ld8 r17 = [r2], 2*LOC_SIZE // r17 = loc[IA64_REG_FR17]
|
||||
ld8 r18 = [r3], 2*LOC_SIZE // r18 = loc[IA64_REG_FR18]
|
||||
and r16 = -4, r16
|
||||
;;
|
||||
|
||||
ld8 r19 = [r2], 2*LOC_SIZE // r19 = loc[IA64_REG_FR19]
|
||||
ld8 r20 = [r3], 2*LOC_SIZE // r20 = loc[IA64_REG_FR20]
|
||||
and r17 = -4, r17
|
||||
;;
|
||||
|
||||
ldf.fill f16 = [r16] // f16 restored (don't touch no more)
|
||||
ldf.fill f17 = [r17] // f17 restored (don't touch no more)
|
||||
and r18 = -4, r18
|
||||
|
||||
ld8 r21 = [r2], 2*LOC_SIZE // r21 = loc[IA64_REG_FR21]
|
||||
ld8 r22 = [r3], 2*LOC_SIZE // r22 = loc[IA64_REG_FR22]
|
||||
and r19 = -4, r19
|
||||
;;
|
||||
|
||||
ldf.fill f18 = [r18] // f18 restored (don't touch no more)
|
||||
ldf.fill f19 = [r19] // f19 restored (don't touch no more)
|
||||
and r20 = -4, r20
|
||||
|
||||
ld8 r23 = [r2], 2*LOC_SIZE // r23 = loc[IA64_REG_FR23]
|
||||
ld8 r24 = [r3], 2*LOC_SIZE // r24 = loc[IA64_REG_FR24]
|
||||
and r21 = -4, r21
|
||||
;;
|
||||
|
||||
ldf.fill f20 = [r20] // f20 restored (don't touch no more)
|
||||
ldf.fill f21 = [r21] // f21 restored (don't touch no more)
|
||||
and r22 = -4, r22
|
||||
|
||||
ld8 r25 = [r2], 2*LOC_SIZE // r25 = loc[IA64_REG_FR25]
|
||||
ld8 r26 = [r3], 2*LOC_SIZE // r26 = loc[IA64_REG_FR26]
|
||||
and r23 = -4, r23
|
||||
;;
|
||||
|
||||
ldf.fill f22 = [r22] // f22 restored (don't touch no more)
|
||||
ldf.fill f23 = [r23] // f23 restored (don't touch no more)
|
||||
and r24 = -4, r24
|
||||
|
||||
ld8 r27 = [r2], 2*LOC_SIZE // r27 = loc[IA64_REG_FR27]
|
||||
ld8 r28 = [r3], 2*LOC_SIZE // r28 = loc[IA64_REG_FR28]
|
||||
and r25 = -4, r25
|
||||
;;
|
||||
|
||||
ldf.fill f24 = [r24] // f24 restored (don't touch no more)
|
||||
ldf.fill f25 = [r25] // f25 restored (don't touch no more)
|
||||
and r26 = -4, r26
|
||||
|
||||
ld8 r29 = [r2], 2*LOC_SIZE // r29 = loc[IA64_REG_FR29]
|
||||
ld8 r30 = [r3], 2*LOC_SIZE // r30 = loc[IA64_REG_FR30]
|
||||
and r27 = -4, r27
|
||||
;;
|
||||
|
||||
ldf.fill f26 = [r26] // f26 restored (don't touch no more)
|
||||
ldf.fill f27 = [r27] // f27 restored (don't touch no more)
|
||||
and r28 = -4, r28
|
||||
|
||||
ld8 r31 = [r2] // r31 = loc[IA64_REG_FR31]
|
||||
mov.m ar.unat = in1
|
||||
and r29 = -4, r29
|
||||
;;
|
||||
|
||||
ldf.fill f28 = [r28] // f28 restored (don't touch no more)
|
||||
ldf.fill f29 = [r29] // f29 restored (don't touch no more)
|
||||
and r30 = -4, r30
|
||||
|
||||
ld8 r1 = [in2], 8 // gp restored (don't touch no more)
|
||||
add r8 = SIGCONTEXT_ADDR_OFF, in0
|
||||
and r31 = -4, r31
|
||||
;;
|
||||
|
||||
ld8 r8 = [r8] // r8 = sigcontext_addr
|
||||
and r11 = 0x1c, r10 // clear all but rsc.be and rsc.pl
|
||||
add r2 = PFS_LOC_OFF, in0
|
||||
|
||||
ldf.fill f30 = [r30] // f30 restored (don't touch no more)
|
||||
ldf.fill f31 = [r31] // f31 restored (don't touch no more)
|
||||
add r3 = 8, in2
|
||||
;;
|
||||
|
||||
ld8.fill r4 = [in2], 16 // r4 restored (don't touch no more)
|
||||
ld8.fill r5 = [r3], 16 // r5 restored (don't touch no more)
|
||||
cmp.eq pRet, pSig = r0, r8 // sigcontext_addr == NULL?
|
||||
;;
|
||||
ld8.fill r6 = [in2], 16 // r6 restored (don't touch no more)
|
||||
ld8.fill r7 = [r3] // r7 restored (don't touch no more)
|
||||
add r3 = IP_OFF, in0
|
||||
;;
|
||||
|
||||
ld8 r14 = [r2], (B1_LOC_OFF - PFS_LOC_OFF) // r14 = pfs_loc
|
||||
ld8 r15 = [r3] // r15 = ip
|
||||
add r3 = (B2_LOC_OFF - IP_OFF), r3
|
||||
;;
|
||||
|
||||
ld8 r16 = [r2], (B3_LOC_OFF - B1_LOC_OFF) // r16 = b1_loc
|
||||
ld8 r17= [r3], (B4_LOC_OFF - B2_LOC_OFF) // r17 = b2_loc
|
||||
and r14 = -4, r14
|
||||
;;
|
||||
|
||||
ld8 r18 = [r2], (B5_LOC_OFF - B3_LOC_OFF) // r18 = b3_loc
|
||||
ld8 r19 = [r3], (F2_LOC_OFF - B4_LOC_OFF) // r19 = b4_loc
|
||||
and r16 = -4, r16
|
||||
;;
|
||||
|
||||
ld8 r20 = [r2], (F3_LOC_OFF - B5_LOC_OFF) // r20 = b5_loc
|
||||
ld8 r21 = [r3], (F4_LOC_OFF - F2_LOC_OFF) // r21 = f2_loc
|
||||
and r17 = -4, r17
|
||||
;;
|
||||
|
||||
ld8 r16 = [r16] // r16 = *b1_loc
|
||||
ld8 r17 = [r17] // r17 = *b2_loc
|
||||
and r18 = -4, r18
|
||||
|
||||
ld8 r22 = [r2], (F5_LOC_OFF - F3_LOC_OFF) // r21 = f3_loc
|
||||
ld8 r23 = [r3], (UNAT_LOC_OFF - F4_LOC_OFF) // r22 = f4_loc
|
||||
and r19 = -4, r19
|
||||
;;
|
||||
|
||||
ld8 r18 = [r18] // r18 = *b3_loc
|
||||
ld8 r19 = [r19] // r19 = *b4_loc
|
||||
and r20 = -4, r20
|
||||
|
||||
ld8 r24 = [r2], (LC_LOC_OFF - F5_LOC_OFF) // r24 = f5_loc
|
||||
ld8 r25 = [r3], (FPSR_LOC_OFF - UNAT_LOC_OFF) // r25 = unat_loc
|
||||
and r21 = -4, r21
|
||||
;;
|
||||
|
||||
and r22 = -4, r22
|
||||
and r23 = -4, r23
|
||||
and r24 = -4, r24
|
||||
|
||||
ld8 r20 = [r20] // r20 = *b5_loc
|
||||
ldf.fill f2 = [r21] // f2 restored (don't touch no more)
|
||||
mov b1 = r16 // b1 restored (don't touch no more)
|
||||
;;
|
||||
|
||||
ldf.fill f3 = [r22] // f3 restored (don't touch no more)
|
||||
ldf.fill f4 = [r23] // f4 restored (don't touch no more)
|
||||
mov b2 = r17 // b2 restored (don't touch no more)
|
||||
|
||||
ld8 r26 = [r2], (RNAT_LOC_OFF - LC_LOC_OFF) // r26 = lc_loc
|
||||
ld8 r27 = [r3] // r27 = fpsr_loc
|
||||
and r25 = -4, r25
|
||||
|
||||
add r3 = (PSP_OFF - FPSR_LOC_OFF), r3
|
||||
nop 0
|
||||
nop 0
|
||||
;;
|
||||
|
||||
ldf.fill f5 = [r24] // f5 restored (don't touch no more)
|
||||
(pRet) ld8 r25 = [r25] // r25 = *unat_loc
|
||||
mov b3 = r18 // b3 restored (don't touch no more)
|
||||
|
||||
ld8 r28 = [r2], (BSP_OFF - RNAT_LOC_OFF) // r28 = rnat_loc
|
||||
ld8 r29 = [r3], (PR_OFF - PSP_OFF) // r29 = sp
|
||||
mov b4 = r19 // b4 restored (don't touch no more)
|
||||
|
||||
and r26 = -4, r26
|
||||
and r27 = -4, r27
|
||||
mov b5 = r20 // b5 restored (don't touch no more)
|
||||
;;
|
||||
|
||||
ld8 r26 = [r26] // r26 = *lc_loc
|
||||
ld8 r27 = [r27] // r27 = *fpsr_loc
|
||||
and r28 = -4, r28
|
||||
|
||||
ld8 r30 = [r2] // r30 = bsp
|
||||
ld8 r31 = [r3] // r31 = pr
|
||||
mov rp = r15
|
||||
;;
|
||||
|
||||
ld8 r28 = [r28] // r28 = rnat
|
||||
mov.m ar.rsc = r11 // put RSE into enforced lazy mode
|
||||
mov.i ar.lc = r26 // lc restored (don't touch no more)
|
||||
;;
|
||||
|
||||
loadrs // drop dirty partition
|
||||
;;
|
||||
mov.m ar.bspstore = r30 // restore register backing-store
|
||||
add r3 = 8, in2 // r3 = &extra[r16]
|
||||
;;
|
||||
|
||||
(pRet) mov.m ar.fpsr = r27 // fpsr restored (don't touch no more)
|
||||
mov.m ar.rnat = r28
|
||||
(pSig) br.cond.dpnt.many .next
|
||||
|
||||
/****** Return via br.ret: */
|
||||
|
||||
ld8 r14 = [r14] // r14 = *pfs_loc
|
||||
ld8 r15 = [in2], 16 // r15 restored (don't touch no more)
|
||||
mov pr = r31, -1 // pr restored (don't touch no more)
|
||||
;;
|
||||
|
||||
ld8 r16 = [r3], 16 // r16 restored (don't touch no more)
|
||||
ld8 r17 = [in2] // r17 restored (don't touch no more)
|
||||
nop.i 0
|
||||
;;
|
||||
|
||||
ld8 r18 = [r3] // r18 restored (don't touch no more)
|
||||
mov.m ar.rsc = r10 // restore original ar.rsc
|
||||
mov sp = r29
|
||||
|
||||
mov.m ar.unat = r25 // unat restored (don't touch no more)
|
||||
mov.i ar.pfs = r14
|
||||
br.ret.sptk.many rp
|
||||
;;
|
||||
|
||||
/****** Return via sigreturn(): */
|
||||
|
||||
.next: mov.m ar.rsc = r10 // restore original ar.rsc
|
||||
add r2 = (SC_FR + 6*16), r8
|
||||
add r3 = (SC_FR + 7*16), r8
|
||||
;;
|
||||
|
||||
ldf.fill f6 = [r2], 32
|
||||
ldf.fill f7 = [r3], 32
|
||||
nop 0
|
||||
;;
|
||||
|
||||
ldf.fill f8 = [r2], 32
|
||||
ldf.fill f9 = [r3], 32
|
||||
nop 0
|
||||
;;
|
||||
|
||||
ldf.fill f10 = [r2], 32
|
||||
ldf.fill f11 = [r3], 32
|
||||
nop 0
|
||||
;;
|
||||
|
||||
ldf.fill f12 = [r2], 32
|
||||
ldf.fill f13 = [r3], 32
|
||||
nop 0
|
||||
;;
|
||||
|
||||
ldf.fill f14 = [r2], 32
|
||||
ldf.fill f15 = [r3], 32
|
||||
mov sp = r29
|
||||
;;
|
||||
|
||||
#if NEW_SYSCALL
|
||||
add r2 = 8, tp;;
|
||||
ld8 r2 = [r2]
|
||||
mov r15 = SYS_sigreturn
|
||||
mov b7 = r2
|
||||
br.call.sptk.many b6 = b7
|
||||
;;
|
||||
#else
|
||||
mov r15 = SYS_sigreturn
|
||||
break 0x100000
|
||||
#endif
|
||||
break 0 // bug out if sigreturn() returns
|
||||
|
||||
.endp ia64_install_cursor
|
||||
|
||||
#endif /* !UNW_REMOTE_ONLY */
|
||||
Loading…
Reference in a new issue