d0p1/ack
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

catch possibly occurring trap with stores in the HP

Browse source
This commit is contained in:
ceriel 1988-04-11 12:51:22 +00:00
parent 3df72f4136
commit eddb43c08e
2 changed files with 91 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

46
lang/cem/libcc/mon/brk.e
View file

@ -1,10 +1,54 @@
#
#include <em_abs.h>
mes 2,EM_WSIZE,EM_PSIZE
.1
bss EM_PSIZE,0,0
.2
bss EM_WSIZE,0,0
pro $ctch,0
lol 0
loc EHEAP
beq *1
lae .1
loi EM_PSIZE
sig
asp EM_PSIZE
lol 0
trp
rtt
1
loc 1
ste .2
rtt
end
exp $brk
pro $brk,0
lal 0
loi EM_PSIZE
str 2 ; The - possibly - occurring traps should be caught
lpi $ctch
sig
lae .1
sti EM_PSIZE
loc 0
ste .2
str 2 ; The - possibly - occurring trap is caught
lae .1
loi EM_PSIZE
sig
asp EM_PSIZE
loe .2
zgt *1
zer EM_PSIZE
ret EM_PSIZE
1
loc -1
loc EM_WSIZE
loc EM_PSIZE
cii
ret EM_PSIZE
end

47
lang/cem/libcc/mon/sbrk.e
View file

@ -1,11 +1,56 @@
#
#include <em_abs.h>
mes 2,EM_WSIZE,EM_PSIZE
.1
bss EM_PSIZE,0,0
.2
bss EM_WSIZE,0,0
pro $ctch,0
lol 0
loc EHEAP
beq *1
lae .1
loi EM_PSIZE
sig
asp EM_PSIZE
lol 0
trp
rtt
1
loc 1
ste .2
rtt
end
exp $sbrk
pro $sbrk,0
lor 2
lor 2
lpi $ctch
sig
lae .1
sti EM_PSIZE
loc 0
ste .2
lol 0
ads EM_WSIZE
str 2 ; The - possibly - occurring traps should be caught
str 2 ; The - possibly - occurring trap is caught
lae .1
loi EM_PSIZE
sig
asp EM_PSIZE
loe .2
zgt *1
ret EM_PSIZE
1
asp EM_PSIZE
loc -1
loc EM_WSIZE
loc EM_PSIZE
cii
ret EM_PSIZE
end