diff options
Diffstat (limited to 'sim')
| -rw-r--r-- | sim/d10v/ChangeLog | 4 | ||||
| -rw-r--r-- | sim/d10v/simops.c | 57 |
2 files changed, 21 insertions, 40 deletions
diff --git a/sim/d10v/ChangeLog b/sim/d10v/ChangeLog index a41fe95..25d1b1b 100644 --- a/sim/d10v/ChangeLog +++ b/sim/d10v/ChangeLog @@ -1,3 +1,7 @@ +Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com> + + * simops.c (OP_5F00): Fix problems with system calls. + Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com> * simops.c (OP_5F00): Correct tracing information for trap. diff --git a/sim/d10v/simops.c b/sim/d10v/simops.c index 8c7342d..5b5d70f 100644 --- a/sim/d10v/simops.c +++ b/sim/d10v/simops.c @@ -2436,15 +2436,18 @@ OP_5F00 () /* Registers passed to trap 0 */ -#define FUNC State.regs[2] /* function number, return value */ -#define PARM1 State.regs[3] /* optional parm 1 */ -#define PARM2 State.regs[4] /* optional parm 2 */ -#define PARM3 State.regs[5] /* optional parm 3 */ +#define FUNC State.regs[6] /* function number */ +#define PARM1 State.regs[2] /* optional parm 1 */ +#define PARM2 State.regs[3] /* optional parm 2 */ +#define PARM3 State.regs[4] /* optional parm 3 */ +#define PARM4 State.regs[5] /* optional parm 3 */ /* Registers set by trap 0 */ -#define RETVAL State.regs[2] /* return value */ -#define RETERR State.regs[3] /* return error code */ +#define RETVAL State.regs[2] /* return value */ +#define RETVAL_HIGH State.regs[2] /* return value */ +#define RETVAL_LOW State.regs[3] /* return value */ +#define RETERR State.regs[4] /* return error code */ /* Turn a pointer in a register into a pointer into real memory. */ @@ -2453,23 +2456,16 @@ OP_5F00 () switch (FUNC) { #if !defined(__GO32__) && !defined(_WIN32) -#ifdef SYS_fork case SYS_fork: RETVAL = fork (); break; -#endif -#ifdef SYS_execve case SYS_execve: RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM2), (char **)MEMPTR (PARM3)); break; -#endif -#ifdef SYS_execv case SYS_execv: RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM2), NULL); break; -#endif -#ifdef SYS_pipe case SYS_pipe: { reg_t buf; @@ -2482,8 +2478,6 @@ OP_5F00 () SW (buf, host_fd[1]); } break; -#endif -#ifdef SYS_wait case SYS_wait: { int status; @@ -2493,15 +2487,10 @@ OP_5F00 () } break; #endif -#endif - -#ifdef SYS_read case SYS_read: RETVAL = d10v_callback->read (d10v_callback, PARM1, MEMPTR (PARM2), PARM3); break; -#endif -#ifdef SYS_write case SYS_write: if (PARM1 == 1) RETVAL = (int)d10v_callback->write_stdout (d10v_callback, @@ -2510,31 +2499,27 @@ OP_5F00 () RETVAL = (int)d10v_callback->write (d10v_callback, PARM1, MEMPTR (PARM2), PARM3); break; -#endif -#ifdef SYS_lseek case SYS_lseek: - RETVAL = d10v_callback->lseek (d10v_callback, PARM1, PARM2, PARM3); + { + unsigned long ret = d10v_callback->lseek (d10v_callback, PARM1, + (((unsigned long)PARM2) << 16) || (unsigned long)PARM3, + PARM4); + RETVAL_HIGH = ret >> 16; + RETVAL_LOW = ret & 0xffff; + } break; -#endif -#ifdef SYS_close case SYS_close: RETVAL = d10v_callback->close (d10v_callback, PARM1); break; -#endif -#ifdef SYS_open case SYS_open: RETVAL = d10v_callback->open (d10v_callback, MEMPTR (PARM1), PARM2); break; -#endif -#ifdef SYS_exit case SYS_exit: /* EXIT - caller can look in PARM1 to work out the reason */ State.exception = SIGQUIT; break; -#endif -#ifdef SYS_stat case SYS_stat: /* stat system call */ { @@ -2561,30 +2546,22 @@ OP_5F00 () SLW (buf+36, host_stat.st_ctime); } break; -#endif -#ifdef SYS_chown case SYS_chown: RETVAL = chown (MEMPTR (PARM1), PARM2, PARM3); break; -#endif -#ifdef SYS_chmod case SYS_chmod: RETVAL = chmod (MEMPTR (PARM1), PARM2); break; -#endif -#ifdef SYS_utime case SYS_utime: /* Cast the second argument to void *, to avoid type mismatch if a prototype is present. */ RETVAL = utime (MEMPTR (PARM1), (void *) MEMPTR (PARM2)); break; -#endif default: abort (); } - RETERR = errno; - errno = save_errno; + RETERR = d10v_callback->get_errno(d10v_callback); break; } |