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* emul_netbsd.c (do_open): Translate the flag parameter to the

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open syscall to the numbers supported by the host.
This commit is contained in:
Geoffrey Keating 2001-01-15 23:24:30 +00:00
parent 098f2ec3f5
commit 428e1889bc
2 changed files with 24 additions and 1 deletions
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5
sim/ppc/ChangeLog
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@ -1,3 +1,8 @@
2001-01-15 Geoffrey Keating <geoffk@redhat.com>
* emul_netbsd.c (do_open): Translate the flag parameter to the
open syscall to the numbers supported by the host.
2000-12-12 Geoffrey Keating <geoffk@redhat.com>
* sim-endian.h: Don't have parameters on macro definitions which

20
sim/ppc/emul_netbsd.c
View file

@ -386,6 +386,7 @@ do_open(os_emul_data *emul,
char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
int flags = (int)cpu_registers(processor)->gpr[arg0+1];
int mode = (int)cpu_registers(processor)->gpr[arg0+2];
int hostflags;
int status;
if (WITH_TRACE && ppc_trace[trace_os_emul])
@ -393,8 +394,25 @@ do_open(os_emul_data *emul,
SYS(open);
/* Do some translation on 'flags' to match it to the host's version. */
/* These flag values were taken from the NetBSD 1.4 header files. */
if ((flags & 3) == 0)
hostflags = O_RDONLY;
else if ((flags & 3) == 1)
hostflags = O_WRONLY;
else
hostflags = O_RDWR;
if (flags & 0x00000008)
hostflags |= O_APPEND;
if (flags & 0x00000200)
hostflags |= O_CREAT;
if (flags & 0x00000400)
hostflags |= O_TRUNC;
if (flags & 0x00000800)
hostflags |= O_EXCL;
/* Can't combine these statements, cuz open sets errno. */
status = open(path, flags, mode);
status = open(path, hostflags, mode);
emul_write_status(processor, status, errno);
}