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syscall_emul: #ifdef new system calls to allow builds on OSX and BSD

This commit is contained in:
Brandon Potter 2017-01-20 14:12:58 -05:00
parent 1961a942f3
commit 93d8e6b898
2 changed files with 16 additions and 2 deletions
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5
src/sim/syscall_emul.cc
View File

@ -895,6 +895,9 @@ SyscallReturn
fallocateFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
#if NO_FALLOCATE
warn("Host OS cannot support calls to fallocate. Ignoring syscall");
#else
int index = 0;
int tgt_fd = process->getSyscallArg(tc, index);
int mode = process->getSyscallArg(tc, index);
@ -908,7 +911,7 @@ fallocateFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
int result = fallocate(sim_fd, mode, offset, len);
if (result < 0)
return -errno;
#endif
return 0;
}

13
src/sim/syscall_emul.hh
View File

@ -49,6 +49,12 @@
defined(__FreeBSD__) || defined(__CYGWIN__) || \
defined(__NetBSD__))
#define NO_STATFS (defined(__APPLE__) || defined(__OpenBSD__) || \
defined(__FreeBSD__) || defined(__NetBSD__))
#define NO_FALLOCATE (defined(__APPLE__) || defined(__OpenBSD__) || \
defined(__FreeBSD__) || defined(__NetBSD__))
///
/// @file syscall_emul.hh
///
@ -62,7 +68,9 @@
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#if (NO_STATFS == 0)
#include <sys/statfs.h>
#endif
#include <sys/time.h>
#include <sys/uio.h>
#include <unistd.h>
@ -1123,6 +1131,9 @@ SyscallReturn
statfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
#if NO_STATFS
warn("Host OS cannot support calls to statfs. Ignoring syscall");
#else
std::string path;
int index = 0;
@ -1142,7 +1153,7 @@ statfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
return -errno;
copyOutStatfsBuf<OS>(tc->getMemProxy(), bufPtr, &hostBuf);
#endif
return 0;
}