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| author | Brandon Potter <brandon.potter@amd.com> | 2016-03-17 10:24:17 -0700 |
|---|---|---|
| committer | Brandon Potter <brandon.potter@amd.com> | 2016-03-17 10:24:17 -0700 |
| commit | a04fac976f02377237bb827d46854b669ebc2397 (patch) | |
| tree | 2f2a5e55e16b2c05e4d94e302081bb977e864a36 /src/arch/sparc/linux/linux.cc | |
| parent | 3fa311e5acd58ce720014dd964728c2fa414ca6a (diff) | |
| download | gem5-a04fac976f02377237bb827d46854b669ebc2397.tar.xz | |
syscall_emul: extend mmap system call to support file backed mmaps
For O3, which has a stat that counts reg reads, there is an additional
reg read per mmap() call since there's an arg we no longer ignore.
Otherwise, stats should not be affected.
Diffstat (limited to 'src/arch/sparc/linux/linux.cc')
| -rw-r--r-- | src/arch/sparc/linux/linux.cc | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/src/arch/sparc/linux/linux.cc b/src/arch/sparc/linux/linux.cc index 2f91cf81d..dbc7e9691 100644 --- a/src/arch/sparc/linux/linux.cc +++ b/src/arch/sparc/linux/linux.cc @@ -28,10 +28,11 @@ * Authors: Gabe Black */ -#include <fcntl.h> - #include "arch/sparc/linux/linux.hh" +#include <fcntl.h> +#include <sys/mman.h> + // open(2) flags translation table SyscallFlagTransTable SparcLinux::openFlagTable[] = { #ifdef _MSC_VER @@ -95,3 +96,32 @@ SyscallFlagTransTable SparcLinux::openFlagTable[] = { const int SparcLinux::NUM_OPEN_FLAGS = (sizeof(SparcLinux::openFlagTable)/sizeof(SparcLinux::openFlagTable[0])); +// mmap(2) flags translation table +SyscallFlagTransTable SparcLinux::mmapFlagTable[] = { + { SparcLinux::TGT_MAP_SHARED, MAP_SHARED }, + { SparcLinux::TGT_MAP_PRIVATE, MAP_PRIVATE }, + { SparcLinux::TGT_MAP_ANON, MAP_ANON }, + { SparcLinux::TGT_MAP_DENYWRITE, MAP_DENYWRITE }, + { SparcLinux::TGT_MAP_EXECUTABLE, MAP_EXECUTABLE }, + { SparcLinux::TGT_MAP_FILE, MAP_FILE }, + { SparcLinux::TGT_MAP_GROWSDOWN, MAP_GROWSDOWN }, + { SparcLinux::TGT_MAP_HUGETLB, MAP_HUGETLB }, + { SparcLinux::TGT_MAP_LOCKED, MAP_LOCKED }, + { SparcLinux::TGT_MAP_NONBLOCK, MAP_NONBLOCK }, + { SparcLinux::TGT_MAP_NORESERVE, MAP_NORESERVE }, + { SparcLinux::TGT_MAP_POPULATE, MAP_POPULATE }, +#ifdef MAP_STACK + { SparcLinux::TGT_MAP_STACK, MAP_STACK }, +#endif + { SparcLinux::TGT_MAP_ANONYMOUS, MAP_ANONYMOUS }, + { SparcLinux::TGT_MAP_FIXED, MAP_FIXED }, +#ifdef MAP_INHERIT + { SparcLinux::TGT_MAP_INHERIT, MAP_INHERIT }, +#endif + { SparcLinux::TGT_MAP_POPULATE, MAP_POPULATE }, +}; + +const unsigned SparcLinux::NUM_MMAP_FLAGS = + sizeof(SparcLinux::mmapFlagTable) / + sizeof(SparcLinux::mmapFlagTable[0]); + |