[compiler-rt][profile] Add support for LLVM profile for Haiku (llvm#107575)

Haiku uses typical UNIX interfaces.

All tests pass except
instrprof-error.c
Posix/gcov-dlopen.c
Posix/gcov-destructor.c
Posix/instrprof-dlopen-norpath.test

---------

Co-authored-by: Petr Hosek <[email protected]>

Author: korli

compiler-rt/cmake/config-ix.cmake

@@ -37,7 +37,11 @@ check_c_compiler_flag(-nodefaultlibs C_SUPPORTS_NODEFAULTLIBS_FLAG)
 if (C_SUPPORTS_NODEFAULTLIBS_FLAG)
   set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -nodefaultlibs")
   if (COMPILER_RT_HAS_LIBC)
-    list(APPEND CMAKE_REQUIRED_LIBRARIES c)
+    if (HAIKU)
+      list(APPEND CMAKE_REQUIRED_LIBRARIES root)
+    else()
+      list(APPEND CMAKE_REQUIRED_LIBRARIES c)
+    endif()
   endif ()
   if (COMPILER_RT_USE_BUILTINS_LIBRARY)
     # TODO: remote this check once we address PR51389.
@@ -826,7 +830,7 @@ else()
 endif()
 
 if (PROFILE_SUPPORTED_ARCH AND NOT LLVM_USE_SANITIZER AND
-    OS_NAME MATCHES "Darwin|Linux|FreeBSD|Windows|Android|Fuchsia|SunOS|NetBSD|AIX|WASI")
+    OS_NAME MATCHES "Darwin|Linux|FreeBSD|Windows|Android|Fuchsia|SunOS|NetBSD|AIX|WASI|Haiku")
   set(COMPILER_RT_HAS_PROFILE TRUE)
 else()
   set(COMPILER_RT_HAS_PROFILE FALSE)

compiler-rt/lib/profile/InstrProfilingPlatformLinux.c

@@ -8,7 +8,7 @@
 
 #if defined(__linux__) || defined(__FreeBSD__) || defined(__Fuchsia__) ||      \
     (defined(__sun__) && defined(__svr4__)) || defined(__NetBSD__) ||          \
-    defined(_AIX) || defined(__wasm__)
+    defined(_AIX) || defined(__wasm__) || defined(__HAIKU__)
 
 #if !defined(_AIX) && !defined(__wasm__)
 #include <elf.h>

compiler-rt/lib/profile/InstrProfilingPlatformOther.c

@@ -9,7 +9,7 @@
 #if !defined(__APPLE__) && !defined(__linux__) && !defined(__FreeBSD__) &&     \
     !defined(__Fuchsia__) && !(defined(__sun__) && defined(__svr4__)) &&       \
     !defined(__NetBSD__) && !defined(_WIN32) && !defined(_AIX) &&              \
-    !defined(__wasm__)
+    !defined(__wasm__) && !defined(__HAIKU__)
 
 #include <stdlib.h>
 #include <stdio.h>

compiler-rt/test/builtins/Unit/ctor_dtor.c

@@ -1,7 +1,7 @@
 // REQUIRES: crt
 
 // RUN: %clang -fno-use-init-array -g -c %s -o %t.o
-// RUN: %clang -o %t -no-pie -nostdlib %crt1 %crti %crtbegin %t.o -lc %libgcc %crtend %crtn
+// RUN: %clang -o %t -no-pie -nostdlib %crt1 %crti %crtbegin %t.o %libc %libgcc %crtend %crtn
 // RUN: %run %t 2>&1 | FileCheck %s
 
 #include <stdio.h>

compiler-rt/test/builtins/Unit/dso_handle.cpp

@@ -2,8 +2,8 @@
 
 // RUN: %clangxx -g -fno-exceptions -DCRT_SHARED -c %s -fPIC -o %tshared.o
 // RUN: %clangxx -g -fno-exceptions -c %s -fPIC -o %t.o
-// RUN: %clangxx -g -shared -o %t.so -nostdlib %crti %crtbegin %tshared.o %libstdcxx -lc -lm %libgcc %crtend %crtn
-// RUN: %clangxx -g -o %t -fno-pic -no-pie -nostdlib %crt1 %crti %crtbegin %t.o %libstdcxx -lc -lm %libgcc %t.so %crtend %crtn
+// RUN: %clangxx -g -shared -o %t.so -nostdlib %crti %crtbegin %tshared.o %libstdcxx %libc -lm %libgcc %crtend %crtn
+// RUN: %clangxx -g -o %t -fno-pic -no-pie -nostdlib %crt1 %crti %crtbegin %t.o %libstdcxx %libc -lm %libgcc %t.so %crtend %crtn
 // RUN: %run %t 2>&1 | FileCheck %s
 
 // UNSUPPORTED: target={{(arm|aarch64).*}}

compiler-rt/test/builtins/Unit/lit.cfg.py

@@ -104,7 +104,10 @@ def get_libgcc_file_name():
     if sys.platform in ["win32"] and execute_external:
         # Don't pass dosish path separator to msys bash.exe.
         base_lib = base_lib.replace("\\", "/")
-    config.substitutions.append(("%librt ", base_lib + " -lc -lm "))
+    if config.host_os == "Haiku":
+        config.substitutions.append(("%librt ", base_lib + " -lroot "))
+    else:
+        config.substitutions.append(("%librt ", base_lib + " -lc -lm "))
 
 builtins_build_crt = get_required_attr(config, "builtins_build_crt")
 if builtins_build_crt:
@@ -123,6 +126,9 @@ def get_libgcc_file_name():
     config.substitutions.append(("%crtn", get_library_path("crtn.o")))
 
     config.substitutions.append(("%libgcc", get_libgcc_file_name()))
+    config.substitutions.append(
+        ("%libc", "-lroot" if sys.platform.startswith("haiku") else "-lc")
+    )
 
     config.substitutions.append(
         ("%libstdcxx", "-l" + config.sanitizer_cxx_lib.lstrip("lib"))

compiler-rt/test/lit.common.cfg.py

@@ -82,6 +82,8 @@ def push_dynamic_library_lookup_path(config, new_path):
         dynamic_library_lookup_var = "PATH"
     elif platform.system() == "Darwin":
         dynamic_library_lookup_var = "DYLD_LIBRARY_PATH"
+    elif platform.system() == "Haiku":
+        dynamic_library_lookup_var = "LIBRARY_PATH"
     else:
         dynamic_library_lookup_var = "LD_LIBRARY_PATH"
 
@@ -275,7 +277,6 @@ def push_dynamic_library_lookup_path(config, new_path):
     "COMPILER_PATH",
     "RC_DEBUG_OPTIONS",
     "CINDEXTEST_PREAMBLE_FILE",
-    "LIBRARY_PATH",
     "CPATH",
     "C_INCLUDE_PATH",
     "CPLUS_INCLUDE_PATH",

compiler-rt/test/profile/Posix/gcov-destructor.c

@@ -1,4 +1,5 @@
 /// Test that destructors and destructors whose priorities are greater than 100 are tracked.
+// XFAIL: target={{.*haiku.*}}
 // RUN: mkdir -p %t.dir && cd %t.dir
 // RUN: %clang --coverage %s -o %t -dumpdir ./
 // RUN: rm -f gcov-destructor.gcda && %run %t

compiler-rt/test/profile/Posix/gcov-dlopen.c

@@ -1,5 +1,6 @@
 /// atexit(3) not supported in dlopen(3)ed+dlclose(3)d DSO
 // XFAIL: target={{.*netbsd.*}}
+// XFAIL: target={{.*haiku.*}}
 
 // RUN: mkdir -p %t.d && cd %t.d
 

compiler-rt/test/profile/Posix/instrprof-dlopen-norpath.test

@@ -1,3 +1,4 @@
+XFAIL: target={{.*haiku.*}}
 RUN: rm -rf %t && split-file %s %t && cd %t
 RUN: %clang_pgogen -fprofile-update=atomic -fPIC foo.c -c -Xclang -fprofile-instrument-path="default_foo_%m.profraw"
 RUN: %clang_pgogen -fprofile-update=atomic -fPIC foo2.c -c -Xclang -fprofile-instrument-path="default_foo2_%m.profraw"

compiler-rt/test/profile/instrprof-error.c

@@ -1,3 +1,4 @@
+// XFAIL: target={{.*haiku.*}}
 // RUN: %clang_profgen -o %t -O3 %s
 // RUN: env LLVM_PROFILE_FILE=%t/  %run %t 1 2>&1 | FileCheck %s
 

compiler-rt/test/profile/lit.cfg.py

@@ -162,6 +162,7 @@ def exclude_unsupported_files_for_aix(dirname):
     "NetBSD",
     "SunOS",
     "AIX",
+    "Haiku",
 ]:
     config.unsupported = True