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LibCore: Implement new ptrace_peekbuf wrapper for PT_PEEKBUF syscall
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3 changed files with 26 additions and 0 deletions
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@ -12,6 +12,7 @@
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#include <stdarg.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include <sys/ptrace.h>
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#include <sys/socket.h>
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#include <termios.h>
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#include <unistd.h>
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@ -67,6 +68,21 @@ ErrorOr<int> recvfd(int sockfd, int options)
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return Error::from_syscall("recvfd"sv, -errno);
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return fd;
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}
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ErrorOr<void> ptrace_peekbuf(pid_t tid, void const* tracee_addr, Bytes destination_buf)
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{
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Syscall::SC_ptrace_buf_params buf_params {
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{ destination_buf.data(), destination_buf.size() }
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};
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Syscall::SC_ptrace_params params {
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PT_PEEKBUF,
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tid,
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const_cast<void*>(tracee_addr),
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(FlatPtr)&buf_params,
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};
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int rc = syscall(SC_ptrace, ¶ms);
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HANDLE_SYSCALL_RETURN_VALUE("ptrace_peekbuf", rc, {});
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}
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#endif
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ErrorOr<void> sigaction(int signal, struct sigaction const* action, struct sigaction* old_action)
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