changed EM_* to _EM_*, added Makefile, LIST and .distr
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2a15fcf645
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4 changed files with 38 additions and 23 deletions
3
lang/cem/libcc.ansi/setjmp/.distr
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3
lang/cem/libcc.ansi/setjmp/.distr
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@ -0,0 +1,3 @@
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LIST
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Makefile
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setjmp.e
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1
lang/cem/libcc.ansi/setjmp/LIST
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lang/cem/libcc.ansi/setjmp/LIST
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setjmp.e
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11
lang/cem/libcc.ansi/setjmp/Makefile
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lang/cem/libcc.ansi/setjmp/Makefile
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CFLAGS=-L -LIB
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.SUFFIXES: .o .e .c
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.e.o:
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$(CC) $(CFLAGS) -c -o $@ $*.e
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clean:
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rm -rf setjmp.o OLIST
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setjmp.o:
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@ -1,5 +1,5 @@
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#
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mes 2,EM_WSIZE,EM_PSIZE
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mes 2,_EM_WSIZE,_EM_PSIZE
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;
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; layout of a setjmp buffer:
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@ -21,7 +21,7 @@
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; a GTO descriptor must be in the global data area
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gtobuf
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bss 3*EM_PSIZE,0,0
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bss 3*_EM_PSIZE,0,0
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inp $fill_ret_area
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exp $setjmp
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@ -31,29 +31,29 @@ gtobuf
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; longjmp must restore this mask
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loc 0
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cal $sigblock
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asp EM_WSIZE
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lfr EM_WSIZE
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asp _EM_WSIZE
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lfr _EM_WSIZE
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lal 0
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loi EM_PSIZE
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stf 3*EM_PSIZE
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loi _EM_PSIZE
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stf 3*_EM_PSIZE
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#endif
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; create GTO descriptor for longjmp
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lxl 0
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dch ; Local Base of caller
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lxa 0 ; Stackpointer of caller
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lal EM_PSIZE
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loi EM_PSIZE ; Return address of caller
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lal _EM_PSIZE
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loi _EM_PSIZE ; Return address of caller
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lal 0
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loi EM_PSIZE ; address of jmpbuf
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sti 3*EM_PSIZE ; LB, SP, and PC stored in jmpbuf
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loi _EM_PSIZE ; address of jmpbuf
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sti 3*_EM_PSIZE ; LB, SP, and PC stored in jmpbuf
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loc 0
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ret EM_WSIZE ; setjmp must return 0
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ret _EM_WSIZE ; setjmp must return 0
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end 0
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pro $fill_ret_area,0
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; put argument in function result area
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lol 0
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ret EM_WSIZE
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ret _EM_WSIZE
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end 0
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exp $longjmp
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@ -61,27 +61,27 @@ gtobuf
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#ifdef __BSD4_2
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; restore signal mask
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lal 0
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loi EM_PSIZE
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lof 3*EM_PSIZE
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loi _EM_PSIZE
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lof 3*_EM_PSIZE
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cal $sigsetmask
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asp EM_WSIZE
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lfr EM_WSIZE
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asp EM_WSIZE
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asp _EM_WSIZE
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lfr _EM_WSIZE
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asp _EM_WSIZE
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#endif
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lal 0
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loi EM_PSIZE ; address of jmpbuf
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loi _EM_PSIZE ; address of jmpbuf
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lae gtobuf
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blm 3*EM_PSIZE ; fill GTO descriptor from jmpbuf
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lol EM_PSIZE ; second parameter of longjmp: the return value
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dup EM_WSIZE
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blm 3*_EM_PSIZE ; fill GTO descriptor from jmpbuf
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lol _EM_PSIZE ; second parameter of longjmp: the return value
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dup _EM_WSIZE
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zne *3
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; of course, longjmp may not return 0!
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asp EM_WSIZE
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asp _EM_WSIZE
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loc 1
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3
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; put return value in function result area
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cal $fill_ret_area
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asp EM_WSIZE
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asp _EM_WSIZE
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gto gtobuf ; there we go ...
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; ASP and GTO do not damage function result area
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end 0
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