diff options
Diffstat (limited to 'sim')
| -rw-r--r-- | sim/ChangeLog | 3 | ||||
| -rw-r--r-- | sim/cris/traps.c | 6 |
2 files changed, 9 insertions, 0 deletions
diff --git a/sim/ChangeLog b/sim/ChangeLog index 90cc95f..1a44d01 100644 --- a/sim/ChangeLog +++ b/sim/ChangeLog @@ -1,5 +1,8 @@ 2009-01-03 Hans-Peter Nilsson <hp@axis.com> + * cris/traps.c (TARGET_MAP_DENYWRITE): Define. + <case TARGET_SYS_mmap2>: Handle TARGET_MAP_DENYWRITE. + * cris/traps.c (TARGET_SYS_access, TARGET_R_OK, TARGET_W_OK) (TARGET_X_OK, TARGET_F_OK): Define. (cris_break_13_handler) <case TARGET_SYS_access>: New case. diff --git a/sim/cris/traps.c b/sim/cris/traps.c index afe5bfb..ff70902 100644 --- a/sim/cris/traps.c +++ b/sim/cris/traps.c @@ -124,6 +124,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */ #define TARGET_MAP_TYPE 0x0f #define TARGET_MAP_FIXED 0x10 #define TARGET_MAP_ANONYMOUS 0x20 +#define TARGET_MAP_DENYWRITE 0x800 #define TARGET_CTL_KERN 1 #define TARGET_CTL_VM 2 @@ -1662,6 +1663,11 @@ cris_break_13_handler (SIM_CPU *current_cpu, USI callnum, USI arg1, USI fd = arg5; USI pgoff = arg6; + /* At 2.6.27, Linux (many (all?) ports, in the mmap2 syscalls) + still masked away this bit, so let's just ignore + it. */ + flags &= ~TARGET_MAP_DENYWRITE; + /* If the simulator wants to mmap more than the very large limit, something is wrong. FIXME: Return an error or abort? Have command-line selectable? */ |