diff options
| author | Pavel Labath <labath@google.com> | 2017-06-01 11:20:17 +0000 |
|---|---|---|
| committer | Pavel Labath <labath@google.com> | 2017-06-01 11:20:17 +0000 |
| commit | d8d98f4d1baff2c0f79298bcf13e83c171a7e6cd (patch) | |
| tree | 16961f9142093978ae627caaee98359e0b750fcc | |
| parent | 921a9fc96ea6d1d73ac21f313305e94b5df7e593 (diff) | |
| download | lldb-d8d98f4d1baff2c0f79298bcf13e83c171a7e6cd.tar.gz | |
cmake: Enable process_vm_readv detection on android
Only android and linux can have this function as far as I am aware, but
it seems cleaner to enable this code for all platforms.
git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@304405 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | cmake/modules/LLDBConfig.cmake | 42 |
1 files changed, 20 insertions, 22 deletions
diff --git a/cmake/modules/LLDBConfig.cmake b/cmake/modules/LLDBConfig.cmake index 609851f46..79512941f 100644 --- a/cmake/modules/LLDBConfig.cmake +++ b/cmake/modules/LLDBConfig.cmake @@ -334,28 +334,26 @@ if (HAVE_LIBDL) list(APPEND system_libs ${CMAKE_DL_LIBS}) endif() -if (CMAKE_SYSTEM_NAME MATCHES "Linux") - # Check for syscall used by lldb-server on linux. - # If these are not found, it will fall back to ptrace (slow) for memory reads. - check_cxx_source_compiles(" - #include <sys/uio.h> - int main() { process_vm_readv(0, nullptr, 0, nullptr, 0, 0); return 0; }" - HAVE_PROCESS_VM_READV) - - if (HAVE_PROCESS_VM_READV) - add_definitions(-DHAVE_PROCESS_VM_READV) - else() - # If we don't have the syscall wrapper function, but we know the syscall number, we can - # still issue the syscall manually - check_cxx_source_compiles(" - #include <sys/syscall.h> - int main() { return __NR_process_vm_readv; }" - HAVE_NR_PROCESS_VM_READV) - - if (HAVE_NR_PROCESS_VM_READV) - add_definitions(-DHAVE_NR_PROCESS_VM_READV) - endif() - endif() +# Check for syscall used by lldb-server on linux. +# If these are not found, it will fall back to ptrace (slow) for memory reads. +check_cxx_source_compiles(" + #include <sys/uio.h> + int main() { process_vm_readv(0, nullptr, 0, nullptr, 0, 0); return 0; }" + HAVE_PROCESS_VM_READV) + +if (HAVE_PROCESS_VM_READV) + add_definitions(-DHAVE_PROCESS_VM_READV) +else() + # If we don't have the syscall wrapper function, but we know the syscall number, we can + # still issue the syscall manually + check_cxx_source_compiles(" + #include <sys/syscall.h> + int main() { return __NR_process_vm_readv; }" + HAVE_NR_PROCESS_VM_READV) + + if (HAVE_NR_PROCESS_VM_READV) + add_definitions(-DHAVE_NR_PROCESS_VM_READV) + endif() endif() # Figure out if lldb could use lldb-server. If so, then we'll |