From c573ff67522c98232748bef44f18faf6ae587fff Mon Sep 17 00:00:00 2001 From: bellard Date: Sun, 4 Jan 2004 15:51:36 +0000 Subject: stat64 fix - added getpagesize() git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@495 c046a42c-6fe2-441c-8c8c-71466251a162 --- linux-user/syscall.c | 68 +++++++++++++++++++++++++++++++++++++++------------- 1 file changed, 51 insertions(+), 17 deletions(-) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index ddf1d9c52d..abd5ce4e90 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -239,6 +239,27 @@ extern int setresgid(gid_t, gid_t, gid_t); extern int getresgid(gid_t *, gid_t *, gid_t *); extern int setgroups(int, gid_t *); +#define put_user(x,ptr)\ +({\ + int size = sizeof(*ptr);\ + switch(size) {\ + case 1:\ + stb(ptr, (typeof(*ptr))(x));\ + break;\ + case 2:\ + stw(ptr, (typeof(*ptr))(x));\ + break;\ + case 4:\ + stl(ptr, (typeof(*ptr))(x));\ + break;\ + case 8:\ + stq(ptr, (typeof(*ptr))(x));\ + break;\ + default:\ + abort();\ + }\ + 0;\ +}) static inline long get_errno(long ret) { if (ret == -1) @@ -1415,7 +1436,7 @@ void syscall_init(void) ie++; } } - + long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, long arg4, long arg5, long arg6) { @@ -1424,7 +1445,7 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, struct kernel_statfs *stfs; #ifdef DEBUG - gemu_log("syscall %d\n", num); + gemu_log("syscall %d", num); #endif switch(num) { case TARGET_NR_exit: @@ -1978,10 +1999,15 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, #endif break; case TARGET_NR_mmap2: +#if defined(TARGET_SPARC) +#define MMAP_SHIFT 12 +#else +#define MMAP_SHIFT TARGET_PAGE_BITS +#endif ret = get_errno(target_mmap(arg1, arg2, arg3, target_to_host_bitmask(arg4, mmap_flags_tbl), arg5, - arg6 << TARGET_PAGE_BITS)); + arg6 << MMAP_SHIFT)); break; case TARGET_NR_munmap: ret = get_errno(target_munmap(arg1, arg2)); @@ -2519,23 +2545,23 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, if (!is_error(ret)) { struct target_stat64 *target_st = (void *)arg2; memset(target_st, 0, sizeof(struct target_stat64)); - target_st->st_dev = tswap16(st.st_dev); - target_st->st_ino = tswap64(st.st_ino); + put_user(st.st_dev, &target_st->st_dev); + put_user(st.st_ino, &target_st->st_ino); #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO - target_st->__st_ino = tswapl(st.st_ino); + put_user(st.st_ino, &target_st->__st_ino); #endif - target_st->st_mode = tswap32(st.st_mode); - target_st->st_nlink = tswap32(st.st_nlink); - target_st->st_uid = tswapl(st.st_uid); - target_st->st_gid = tswapl(st.st_gid); - target_st->st_rdev = tswap16(st.st_rdev); + put_user(st.st_mode, &target_st->st_mode); + put_user(st.st_nlink, &target_st->st_nlink); + put_user(st.st_uid, &target_st->st_uid); + put_user(st.st_gid, &target_st->st_gid); + put_user(st.st_rdev, &target_st->st_rdev); /* XXX: better use of kernel struct */ - target_st->st_size = tswap64(st.st_size); - target_st->st_blksize = tswapl(st.st_blksize); - target_st->st_blocks = tswapl(st.st_blocks); - target_st->target_st_atime = tswapl(st.st_atime); - target_st->target_st_mtime = tswapl(st.st_mtime); - target_st->target_st_ctime = tswapl(st.st_ctime); + put_user(st.st_size, &target_st->st_size); + put_user(st.st_blksize, &target_st->st_blksize); + put_user(st.st_blocks, &target_st->st_blocks); + put_user(st.st_atime, &target_st->target_st_atime); + put_user(st.st_mtime, &target_st->target_st_mtime); + put_user(st.st_ctime, &target_st->target_st_ctime); } } break; @@ -2765,6 +2791,11 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, #ifdef TARGET_NR_security case TARGET_NR_security: goto unimplemented; +#endif +#ifdef TARGET_NR_getpagesize + case TARGET_NR_getpagesize: + ret = TARGET_PAGE_SIZE; + break; #endif case TARGET_NR_gettid: ret = get_errno(gettid()); @@ -2799,6 +2830,9 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, break; } fail: +#ifdef DEBUG + gemu_log(" = %ld\n", ret); +#endif return ret; } -- cgit v1.2.1