| ; @(#)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 |
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| ; 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 |
