search for: __stop___llvm_prf_vnds

...prf_cnts)) __stop___llvm_prf_cnts = .; __start___llvm_prf_data = .; KEEP(*(__llvm_prf_data)) __stop___llvm_prf_data = .; __start___llvm_prf_names = .; KEEP(*(__llvm_prf_names)) __stop___llvm_prf_names = .; __start___llvm_prf_vnds = .; KEEP(*(__llvm_prf_vnds)) __stop___llvm_prf_vnds = .; 2. Since there are not .ctors or atexit available i called the functions lprofSetupValueProfiler and __llvm_profile_initialize_file from the startup before main and __llvm_profile_write_file during the exit after main. 3. Made changes in the compiler-rt library to adapt the profile sources f...

...__llvm_prf_data) PROVIDE(__stop___llvm_prf_data = .); . = ALIGN(4); PROVIDE(__start___llvm_prf_names = .); *(__llvm_prf_names) PROVIDE(__stop___llvm_prf_names = .); . = ALIGN(4); PROVIDE(__start___llvm_prf_vnds = .); *(__llvm_prf_vnds) PROVIDE(__stop___llvm_prf_vnds = .); This removed the need for the '.ctors' model for registering functions (which also reduces the run-time cost) and enabled our target to use the model described in 'InstrProfilingPlatformLinux.cpp' instead of 'InstrProfilingPlatformOther.cpp', adding our triple to '...

Hi all, I think using code coverage on baremetal has come up once or twice on llvmdev, but I don't think anyone has actually written up how the workflow works, or what issues come up.  This description is based on work done together with my colleague Weiming Zhao. By "baremetal" here, I mean an embedded environment without an operating system.  We specifically used a ARM target