ref: 853049c3b9a3c84b6de4eaa5edab039c4d3df98c
dir: /sys/src/ape/lib/ap/68020/main9p.s/
#define NPRIVATES 16 GLOBL _tos(SB), $4 GLOBL _errnoloc(SB), $4 GLOBL _plan9err(SB), $4 GLOBL _privates(SB), $4 GLOBL _nprivates(SB), $4 TEXT _mainp(SB), 1, $(4+128+NPRIVATES*4) MOVL $a6base(SB), A6 /* _tos = arg */ MOVL R0, _tos(SB) /* return value of sys exec!! */ MOVL A7, A1 MOVL A1, _errnoloc(SB) ADDL $4, A1 MOVL A1, _plan9err(SB) ADDL $128, A1 MOVL A1, _privates(SB) MOVL $NPRIVATES, _nprivates(SB) /* _profmain(); */ BSR _profmain(SB) /* _tos->prof.pp = _tos->prof.next; */ MOVL _tos+0(SB),A1 MOVL 4(A1),(A1) BSR _envsetup(SB) /* main(argc, argv, environ); */ MOVL environ(SB), TOS PEA inargv+0(FP) MOVL inargc-4(FP), TOS BSR main(SB) loop: MOVL R0,TOS BSR exit(SB) LEA _profin(SB), A0 /* force loading of profile */ BRA loop TEXT _savearg(SB), 1, $0 RTS TEXT _callpc(SB), 1, $0 MOVL argp+0(FP), A0 MOVL 4(A0), R0 RTS