diff options
| author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-09-12 04:36:20 +0000 |
|---|---|---|
| committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-09-12 04:36:20 +0000 |
| commit | 85ae55edd97e5b4e8450d46967298b5c507de911 (patch) | |
| tree | 165b4747dfccdd79c3f13923a57eb0f95924d669 /sys/arch | |
| parent | e00ce665345833eb659d7e4c988d183436f7ed47 (diff) | |
give a condition trap own treatment, per millicode; and, oh horror, swap return of quad_t, sort of, sometimes
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/hppa/hppa/trap.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/sys/arch/hppa/hppa/trap.c b/sys/arch/hppa/hppa/trap.c index 1ad09182012..7d0f96e3fb6 100644 --- a/sys/arch/hppa/hppa/trap.c +++ b/sys/arch/hppa/hppa/trap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: trap.c,v 1.48 2002/09/11 18:37:29 mickey Exp $ */ +/* $OpenBSD: trap.c,v 1.49 2002/09/12 04:36:19 mickey Exp $ */ /* * Copyright (c) 1998-2001 Michael Shalayeff @@ -350,6 +350,10 @@ trap(type, frame) if (ret != 0) { if (type & T_USER) { +#if 0 +if (kdb_trap (type, va, frame)) + return; +#endif sv.sival_int = frame->tf_ior; trapsignal(p, SIGSEGV, vftype, SEGV_MAPERR, sv); } else { @@ -415,10 +419,17 @@ return; } break; + case T_CONDITION: +#if 0 +if (kdb_trap (type, va, frame)) + return; +#endif + panic("trap: divide by zero in the kernel"); + break; + case T_DPROT: case T_IPROT: case T_OVERFLOW: - case T_CONDITION: case T_ILLEGAL: case T_HIGHERPL: case T_TAKENBR: @@ -435,7 +446,7 @@ return; if (kdb_trap (type, va, frame)) return; #endif - panic ("trap: unimplemented \'%s\' (%d)", tts, type); + panic("trap: unimplemented \'%s\' (%d)", tts, type); } if (type & T_USER) @@ -464,8 +475,8 @@ syscall(frame) { register struct proc *p = curproc; register const struct sysent *callp; - int nsys, code, argsize, argoff, oerror, error; - int args[8], rval[2]; + int retq, nsys, code, argsize, argoff, oerror, error; + register_t args[8], rval[2]; uvmexp.syscalls++; @@ -476,7 +487,7 @@ syscall(frame) nsys = p->p_emul->e_nsysent; callp = p->p_emul->e_sysent; - argoff = 4; + argoff = 4; retq = 0; switch (code = frame->tf_t1) { case SYS_syscall: code = frame->tf_arg0; @@ -497,6 +508,7 @@ syscall(frame) args[0] = frame->tf_arg2; args[1] = frame->tf_arg3; argoff = 2; + retq = 1; break; default: args[0] = frame->tf_arg0; @@ -538,7 +550,7 @@ syscall(frame) i = 0; switch (code) { - case SYS_lseek: + case SYS_lseek: retq = 0; case SYS_truncate: case SYS_ftruncate: i = 2; break; case SYS_preadv: @@ -579,7 +591,7 @@ syscall(frame) p = curproc; /* changes on exec() */ frame = p->p_md.md_regs; frame->tf_ret0 = rval[0]; - frame->tf_ret1 = rval[1]; + frame->tf_ret1 = rval[!retq]; frame->tf_t1 = 0; break; case ERESTART: @@ -588,6 +600,7 @@ syscall(frame) break; case EJUSTRETURN: p = curproc; + frame = p->p_md.md_regs; break; default: bad: |