mirror of
https://github.com/FEX-Emu/libunwind.git
synced 2024-12-04 20:37:16 +00:00
(save_static_to_mem2): New function.
(save_static_to_mem3): Likewise. (save_static_to_mem4): Likewise. (save_static_to_mem5): Likewise. (save_static_to_scratch): Save f4 to f6 to improve test coverage. (Logical change 1.185)
This commit is contained in:
hp.com!davidm
parent
61d42ccf66
commit
5071803e5d
@ -206,6 +206,171 @@ save_static_to_mem:
|
||||
br.ret.sptk.many rp
|
||||
.endp save_static_to_mem
|
||||
|
||||
/* Spill r6 into memory and save primary ar.unat in a register. */
|
||||
|
||||
.global save_static_to_mem2
|
||||
.proc save_static_to_mem2
|
||||
save_static_to_mem2:
|
||||
.prologue
|
||||
.regstk 2, 5, 2, 0
|
||||
.save ar.pfs, loc0
|
||||
alloc loc0 = ar.pfs, 2, 5, 2, 0
|
||||
.save rp, loc1
|
||||
mov loc1 = rp
|
||||
.save ar.unat, loc2
|
||||
mov loc2 = ar.unat
|
||||
|
||||
.fframe 16
|
||||
.spillpsp r6, 16
|
||||
st8.spill [sp] = r6, -16;;
|
||||
.save @priunat, loc3
|
||||
mov loc3 = ar.unat
|
||||
mov ar.unat = 0 // trash ar.unat
|
||||
|
||||
.body
|
||||
|
||||
LOAD_VAL(r6)
|
||||
CALL_NEXT(loc4)
|
||||
|
||||
mov ar.unat = loc3 // restore primary UNaT
|
||||
.restore sp
|
||||
add sp = 16, sp;;
|
||||
ld8.fill r6 = [sp] // restore r6
|
||||
|
||||
mov ar.pfs = loc0
|
||||
mov rp = loc1
|
||||
mov ar.unat = loc2 // restore ar.unat
|
||||
br.ret.sptk.many rp
|
||||
.endp save_static_to_mem2
|
||||
|
||||
/* Spill r6 into memory and save primary ar.unat in memory. */
|
||||
|
||||
.global save_static_to_mem3
|
||||
.proc save_static_to_mem3
|
||||
save_static_to_mem3:
|
||||
.prologue
|
||||
.regstk 2, 5, 2, 0
|
||||
.save ar.pfs, loc0
|
||||
alloc loc0 = ar.pfs, 2, 5, 2, 0
|
||||
.save rp, loc1
|
||||
mov loc1 = rp
|
||||
.save ar.unat, loc2
|
||||
mov loc2 = ar.unat
|
||||
|
||||
add r2 = 8, sp
|
||||
.fframe 16
|
||||
.spillpsp r6, 16
|
||||
st8.spill [sp] = r6, -16;;
|
||||
mov r3 = ar.unat;;
|
||||
.savepsp @priunat, 8
|
||||
st8 [r2] = r3
|
||||
mov ar.unat = 0 // trash ar.unat
|
||||
|
||||
.body
|
||||
|
||||
LOAD_VAL(r6)
|
||||
CALL_NEXT(loc4)
|
||||
|
||||
add r2 = 24, sp;;
|
||||
ld8 r3 = [r2];;
|
||||
mov ar.unat = r3 // restore primary UNaT
|
||||
.restore sp
|
||||
add sp = 16, sp;;
|
||||
ld8.fill r6 = [sp] // restore r6
|
||||
|
||||
mov ar.pfs = loc0
|
||||
mov rp = loc1
|
||||
mov ar.unat = loc2 // restore ar.unat
|
||||
br.ret.sptk.many rp
|
||||
.endp save_static_to_mem3
|
||||
|
||||
/* Spill r6 into memory and save primary ar.unat in register,
|
||||
then in memory. */
|
||||
|
||||
.global save_static_to_mem4
|
||||
.proc save_static_to_mem4
|
||||
save_static_to_mem4:
|
||||
.prologue
|
||||
.regstk 2, 5, 2, 0
|
||||
.save ar.pfs, loc0
|
||||
alloc loc0 = ar.pfs, 2, 5, 2, 0
|
||||
.save rp, loc1
|
||||
mov loc1 = rp
|
||||
.save ar.unat, loc2
|
||||
mov loc2 = ar.unat
|
||||
|
||||
add r2 = 8, sp
|
||||
.fframe 16
|
||||
.spillpsp r6, 16
|
||||
st8.spill [sp] = r6, -16;;
|
||||
.save @priunat, r3
|
||||
mov r3 = ar.unat;;
|
||||
mov ar.unat = 0 // trash ar.unat
|
||||
.savepsp @priunat, 8
|
||||
st8 [r2] = r3
|
||||
mov r3 = r0 // trash register pri UNaT location
|
||||
.body
|
||||
|
||||
LOAD_VAL(r6)
|
||||
CALL_NEXT(loc4)
|
||||
|
||||
add r2 = 24, sp;;
|
||||
ld8 r3 = [r2];;
|
||||
mov ar.unat = r3 // restore primary UNaT
|
||||
.restore sp
|
||||
add sp = 16, sp;;
|
||||
ld8.fill r6 = [sp] // restore r6
|
||||
|
||||
mov ar.pfs = loc0
|
||||
mov rp = loc1
|
||||
mov ar.unat = loc2 // restore ar.unat
|
||||
br.ret.sptk.many rp
|
||||
.endp save_static_to_mem4
|
||||
|
||||
/* Spill r6 into memory and save primary ar.unat in register,
|
||||
then in memory. */
|
||||
|
||||
.global save_static_to_mem5
|
||||
.proc save_static_to_mem5
|
||||
save_static_to_mem5:
|
||||
.prologue
|
||||
.regstk 2, 5, 2, 0
|
||||
.save ar.pfs, loc0
|
||||
alloc loc0 = ar.pfs, 2, 5, 2, 0
|
||||
.save rp, loc1
|
||||
mov loc1 = rp
|
||||
.save ar.unat, loc2
|
||||
mov loc2 = ar.unat
|
||||
|
||||
add r2 = 8, sp
|
||||
.fframe 16
|
||||
.spillpsp r6, 16
|
||||
st8.spill [sp] = r6, -16;;
|
||||
mov r3 = ar.unat;;
|
||||
mov ar.unat = 0 // trash ar.unat
|
||||
.savepsp @priunat, 8
|
||||
st8 [r2] = r3
|
||||
.save @priunat, loc3
|
||||
mov loc3 = r3
|
||||
st8 [r2] = r0 // trash memory pri UNaT location
|
||||
.body
|
||||
|
||||
LOAD_VAL(r6)
|
||||
CALL_NEXT(loc4)
|
||||
|
||||
add r2 = 24, sp;;
|
||||
ld8 r3 = [r2];;
|
||||
mov ar.unat = loc3 // restore primary UNaT
|
||||
.restore sp
|
||||
add sp = 16, sp;;
|
||||
ld8.fill r6 = [sp] // restore r6
|
||||
|
||||
mov ar.pfs = loc0
|
||||
mov rp = loc1
|
||||
mov ar.unat = loc2 // restore ar.unat
|
||||
br.ret.sptk.many rp
|
||||
.endp save_static_to_mem5
|
||||
|
||||
/* Save r4-r7 to various scratch registers, then trigger
|
||||
a segfault. */
|
||||
|
||||
@ -225,12 +390,15 @@ save_static_to_scratch:
|
||||
setf.sig f32 = r6 // save r6 in f32 (fph partition)
|
||||
.spillsp r7, 0
|
||||
st8.spill [sp] = r7 // save r7 in the scratch stack space
|
||||
.spillreg f4, f6
|
||||
mov f6 = f4;;
|
||||
.body
|
||||
|
||||
LOAD_VAL(r4)
|
||||
LOAD_VAL(r5)
|
||||
LOAD_VAL(r6)
|
||||
LOAD_VAL(r7)
|
||||
setf.sig f4 = r4
|
||||
|
||||
/* Now force a SIGSEGV. Make sure the ld8 is at the beginning of a
|
||||
bundle, so the signal-handler can skip over it simply by
|
||||
@ -242,6 +410,7 @@ save_static_to_scratch:
|
||||
nop.i 0 ;;
|
||||
}
|
||||
|
||||
mov f4 = f6
|
||||
mov r4 = r16
|
||||
.pred.rel.mutex p6, p7
|
||||
(p6) getf.sig r5 = f31
|
||||
|
||||
Loading…
Reference in New Issue
Block a user