diff options
Diffstat (limited to 'src/arch/x86/linux/process.cc')
| -rw-r--r-- | src/arch/x86/linux/process.cc | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/src/arch/x86/linux/process.cc b/src/arch/x86/linux/process.cc index 6befafde4..d58d965af 100644 --- a/src/arch/x86/linux/process.cc +++ b/src/arch/x86/linux/process.cc @@ -584,8 +584,15 @@ X86_64LinuxProcess::X86_64LinuxProcess(ProcessParams * params, sizeof(syscallDescs64) / sizeof(SyscallDesc)) {} -void X86_64LinuxProcess::clone(ThreadContext *old_tc, ThreadContext *new_tc, - Process *process, RegVal flags) +void +X86_64LinuxProcess::syscall(ThreadContext *tc, Fault *fault) +{ + doSyscall(tc->readIntReg(INTREG_RAX), tc, fault); +} + +void +X86_64LinuxProcess::clone(ThreadContext *old_tc, ThreadContext *new_tc, + Process *process, RegVal flags) { X86_64Process::clone(old_tc, new_tc, (X86_64Process*)process, flags); } @@ -926,8 +933,22 @@ I386LinuxProcess::I386LinuxProcess(ProcessParams * params, ObjectFile *objFile) sizeof(syscallDescs32) / sizeof(SyscallDesc)) {} -void I386LinuxProcess::clone(ThreadContext *old_tc, ThreadContext *new_tc, - Process *process, RegVal flags) +void +I386LinuxProcess::syscall(ThreadContext *tc, Fault *fault) +{ + PCState pc = tc->pcState(); + Addr eip = pc.pc(); + if (eip >= vsyscallPage.base && + eip < vsyscallPage.base + vsyscallPage.size) { + pc.npc(vsyscallPage.base + vsyscallPage.vsysexitOffset); + tc->pcState(pc); + } + doSyscall(tc->readIntReg(INTREG_RAX), tc, fault); +} + +void +I386LinuxProcess::clone(ThreadContext *old_tc, ThreadContext *new_tc, + Process *process, RegVal flags) { I386Process::clone(old_tc, new_tc, (I386Process*)process, flags); } |