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[/] [or1k/] [branches/] [newlib/] [newlib/] [newlib/] [libc/] [sys/] [a29khif/] [getenv.s] - Rev 39
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; @(#)getenv.s 1.4 90/10/14 21:57:45, AMD ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; Copyright 1990 Advanced Micro Devices, Inc. ; ; This software is the property of Advanced Micro Devices, Inc (AMD) which ; specifically grants the user the right to modify, use and distribute this ; software provided this notice is not removed or altered. All other rights ; are reserved by AMD. ; ; AMD MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS ; SOFTWARE. IN NO EVENT SHALL AMD BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL ; DAMAGES IN CONNECTION WITH OR ARISING FROM THE FURNISHING, PERFORMANCE, OR ; USE OF THIS SOFTWARE. ; ; So that all may benefit from your experience, please report any problems ; or suggestions about this software to the 29K Technical Support Center at ; 800-29-29-AMD (800-292-9263) in the USA, or 0800-89-1131 in the UK, or ; 0031-11-1129 in Japan, toll free. The direct dial number is 512-462-4118. ; ; Advanced Micro Devices, Inc. ; 29K Support Products ; Mail Stop 573 ; 5900 E. Ben White Blvd. ; Austin, TX 78741 ; 800-292-9263 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; getenv.s ; char *value = getenv( const char *name ); ; .file "getenv.s" .include "sys/sysmac.h" .text .word 0x00030000 ; Debugger tag word .global _getenv .global __getenv _getenv: __getenv: const tav,HIF_getenv @ asneq V_SYSCALL,gr1,gr1 ; HIF service trap jmpti tav, lr0 ; If tav is true, were finished, return. const tpc, _errno consth tpc, _errno ; Otherwise, store 0, 0, tav, tpc ; store error code in _errno, jmpi lr0 ; then return const v0, 0 ; with a value of 0 (NULL pointer). .end
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