76 lines
1.7 KiB
Plaintext
76 lines
1.7 KiB
Plaintext
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#################################################################
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# #
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# Copyright 2001, 2007 Fidelity Information Services, Inc #
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# #
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# This source code contains the intellectual property #
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# of its copyright holder(s), and is made available #
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# under a license. If you do not know the terms of #
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# the license, please stop and do not read further. #
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# #
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#################################################################
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.sbttl error.si
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# PAGE +
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#-----------------------------------------------
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# Mumps error condition handler macros
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#-----------------------------------------------
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.ifdef cygwin
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# will need another 8 to save sigmasks
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chnd_size = 220
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.else
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chnd_size = 168
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.endif
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chnd_save_active = 0
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chnd_ch_active = 4
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chnd_ch = 8
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chnd_jmp = 12
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.data
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.extern ctxt
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.extern active_ch
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.text
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.ifdef cygwin
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# on cygwin, sigsetjmp is a macro which calls sigprocmask then setjmp
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.extern _setjmp
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.else
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# setjmp is really __sigsetjmp(env,0)
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.extern __sigsetjmp
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.endif
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.sbttl error.si ESTABLISH
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.macro ESTABLISH x, label
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addl $chnd_size,ctxt # ctxt++
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movl ctxt,%eax
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movl active_ch,%edx # ctxt->save_active_ch = active_ch
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movl %edx,chnd_save_active(%eax)
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movl $0,chnd_ch_active(%eax) # ctxt->ch_active = FALSE
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movl %eax,active_ch # active_ch = ctxt
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movl $\x,chnd_ch(%eax) # ctxt->ch = x
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addl $chnd_jmp,%eax # setjmp(ctxt->jmp)
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.ifndef cygwin
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pushl $0
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.endif
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pushl %eax
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.ifdef cygwin
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call _setjmp
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addl $4,%esp
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.else
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call __sigsetjmp
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addl $8,%esp
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.endif
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incl %eax
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jne \label
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REVERT
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jmp return
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\label:
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.endm
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.sbttl error.si REVERT
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.macro REVERT
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movl ctxt,%eax # active_ch = ctxt->save_active_c
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movl chnd_save_active(%eax),%eax
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movl %eax,active_ch
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subl $chnd_size,ctxt # ctxt--
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.endm
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