================
@@ -118,3 +118,121 @@
// CHECK-LIBPATHS-PIC:
"-L{{.*}}{{/|\\\\}}Inputs{{/|\\\\}}hexagon_tree{{/|\\\\}}Tools{{/|\\\\}}bin{{/|\\\\}}..{{/|\\\\}}target{{/|\\\\}}picolibc{{/|\\\\}}hexagon-unknown-none-elf{{/|\\\\}}lib{{/|\\\\}}v68{{/|\\\\}}G0{{/|\\\\}}pic"
// CHECK-LIBPATHS-PIC:
"-L{{.*}}{{/|\\\\}}Inputs{{/|\\\\}}hexagon_tree{{/|\\\\}}Tools{{/|\\\\}}bin{{/|\\\\}}..{{/|\\\\}}target{{/|\\\\}}picolibc{{/|\\\\}}hexagon-unknown-none-elf{{/|\\\\}}lib{{/|\\\\}}v68{{/|\\\\}}G0"
// CHECK-LIBPATHS-PIC:
"-L{{.*}}{{/|\\\\}}Inputs{{/|\\\\}}hexagon_tree{{/|\\\\}}Tools{{/|\\\\}}bin{{/|\\\\}}..{{/|\\\\}}target{{/|\\\\}}picolibc{{/|\\\\}}hexagon-unknown-none-elf{{/|\\\\}}lib{{/|\\\\}}v68"
+
+//
=============================================================================
+// H2 OS tests (--target=hexagon-h2-elf --cstdlib=picolibc)
+// Differences from hexagon-none-elf: crt0-noflash-hosted.o, -lh2
-lsyscall_wrapper
+//
=============================================================================
+
+//
-----------------------------------------------------------------------------
+// Test standard include paths for H2
+//
-----------------------------------------------------------------------------
+// RUN: %clang -### --target=hexagon-h2-elf --cstdlib=picolibc \
+// RUN: -ccc-install-dir %S/Inputs/hexagon_tree/Tools/bin %s 2>&1 |
FileCheck -check-prefix=CHECK-H2-C-INCLUDES %s
+// CHECK-H2-C-INCLUDES: "-cc1" {{.*}} "-internal-isystem"
"{{.*}}{{/|\\\\}}lib{{/|\\\\}}clang{{/|\\\\}}{{[0-9]+}}{{/|\\\\}}include"
+// CHECK-H2-C-INCLUDES: "-internal-externc-isystem"
"{{.*}}{{/|\\\\}}Inputs{{/|\\\\}}hexagon_tree{{/|\\\\}}Tools{{/|\\\\}}bin{{/|\\\\}}..{{/|\\\\}}target{{/|\\\\}}picolibc{{/|\\\\}}hexagon-unknown-h2-elf{{/|\\\\}}include"
+
+// RUN: %clangxx -### --target=hexagon-h2-elf --cstdlib=picolibc \
+// RUN: -ccc-install-dir %S/Inputs/hexagon_tree/Tools/bin %s 2>&1 |
FileCheck -check-prefix=CHECK-H2-CXX-INCLUDES %s
+// CHECK-H2-CXX-INCLUDES: "-cc1" {{.*}} "-internal-isystem"
"{{.*}}{{/|\\\\}}Inputs{{/|\\\\}}hexagon_tree{{/|\\\\}}Tools{{/|\\\\}}bin{{/|\\\\}}..{{/|\\\\}}target{{/|\\\\}}picolibc{{/|\\\\}}hexagon-unknown-h2-elf{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}v1"
+// CHECK-H2-CXX-INCLUDES: "-internal-isystem"
"{{.*}}{{/|\\\\}}lib{{/|\\\\}}clang{{/|\\\\}}{{[0-9]+}}{{/|\\\\}}include"
+// CHECK-H2-CXX-INCLUDES: "-internal-externc-isystem"
"{{.*}}{{/|\\\\}}Inputs{{/|\\\\}}hexagon_tree{{/|\\\\}}Tools{{/|\\\\}}bin{{/|\\\\}}..{{/|\\\\}}target{{/|\\\\}}picolibc{{/|\\\\}}hexagon-unknown-h2-elf{{/|\\\\}}include"
+
+//
-----------------------------------------------------------------------------
+// H2 start files: crt0-noflash-hosted.o (not crt0-semihost.o)
+//
-----------------------------------------------------------------------------
+// RUN: %clang --target=hexagon-h2-elf --cstdlib=picolibc -### %s 2>&1 |
FileCheck %s --check-prefix=CHECK-H2-STARTUP
+// CHECK-H2-STARTUP: "{{.*}}crt0-noflash-hosted.o"
+// CHECK-H2-STARTUP-NOT: "{{.*}}crt0-semihost.o"
+
+// RUN: %clang --target=hexagon-h2-elf --cstdlib=picolibc -nostartfiles -###
%s 2>&1 | FileCheck %s --check-prefix=CHECK-H2-NOSTART
+// CHECK-H2-NOSTART-NOT: "{{.*}}crt0-noflash-hosted.o"
+
+//
-----------------------------------------------------------------------------
+// H2: -nostdlib, -nostartfiles, -nodefaultlibs, -nolibc
+//
-----------------------------------------------------------------------------
+// RUN: %clangxx -### --target=hexagon-h2-elf --cstdlib=picolibc \
+// RUN: -ccc-install-dir %S/Inputs/hexagon_tree/Tools/bin \
+// RUN: -mcpu=hexagonv68 \
+// RUN: -nostdlib %s 2>&1 | FileCheck -check-prefix=CHECK-H2-NOSTDLIB %s
+// CHECK-H2-NOSTDLIB: "-cc1"
+// CHECK-H2-NOSTDLIB: {{hexagon-link|ld}}
+// CHECK-H2-NOSTDLIB-NOT: "{{.*}}crt0-noflash-hosted.o"
+// CHECK-H2-NOSTDLIB-NOT: "-lc++"
+// CHECK-H2-NOSTDLIB-NOT: "-lm"
+// CHECK-H2-NOSTDLIB-NOT: "--start-group"
+// CHECK-H2-NOSTDLIB-NOT: "-lh2"
+// CHECK-H2-NOSTDLIB-NOT: "-lsyscall_wrapper"
+// CHECK-H2-NOSTDLIB-NOT: "-lc"
+// CHECK-H2-NOSTDLIB-NOT: "-lclang_rt.builtins"
+// CHECK-H2-NOSTDLIB-NOT: "--end-group"
+
+// RUN: %clangxx -### --target=hexagon-h2-elf --cstdlib=picolibc \
+// RUN: -ccc-install-dir %S/Inputs/hexagon_tree/Tools/bin \
+// RUN: -mcpu=hexagonv68 \
+// RUN: -nostartfiles %s 2>&1 | FileCheck
-check-prefix=CHECK-H2-NOSTARTFILES %s
+// CHECK-H2-NOSTARTFILES: "-cc1"
+// CHECK-H2-NOSTARTFILES: {{hexagon-link|ld}}
+// CHECK-H2-NOSTARTFILES-NOT: "{{.*}}crt0-noflash-hosted.o"
+// CHECK-H2-NOSTARTFILES: "-lc++" "-lc++abi" "-lunwind" "-lm" "--start-group"
"-lh2" "-lsyscall_wrapper" "-lc" "-lclang_rt.builtins" "--end-group"
+
+// RUN: %clangxx -### --target=hexagon-h2-elf --cstdlib=picolibc \
+// RUN: -ccc-install-dir %S/Inputs/hexagon_tree/Tools/bin \
+// RUN: -mcpu=hexagonv68 \
+// RUN: -nodefaultlibs %s 2>&1 | FileCheck
-check-prefix=CHECK-H2-NODEFAULTLIBS %s
+// CHECK-H2-NODEFAULTLIBS: "-cc1"
+// CHECK-H2-NODEFAULTLIBS: {{hexagon-link|ld}}
+// CHECK-H2-NODEFAULTLIBS: "{{.*}}crt0-noflash-hosted.o"
+// CHECK-H2-NODEFAULTLIBS-NOT: "-lc++"
+// CHECK-H2-NODEFAULTLIBS-NOT: "-lm"
+// CHECK-H2-NODEFAULTLIBS-NOT: "--start-group"
+// CHECK-H2-NODEFAULTLIBS-NOT: "-lh2"
+// CHECK-H2-NODEFAULTLIBS-NOT: "-lsyscall_wrapper"
+// CHECK-H2-NODEFAULTLIBS-NOT: "-lc"
+// CHECK-H2-NODEFAULTLIBS-NOT: "-lclang_rt.builtins"
+// CHECK-H2-NODEFAULTLIBS-NOT: "--end-group"
+
+// RUN: %clangxx -### --target=hexagon-h2-elf --cstdlib=picolibc \
+// RUN: -ccc-install-dir %S/Inputs/hexagon_tree/Tools/bin \
+// RUN: -mcpu=hexagonv68 \
+// RUN: -nolibc %s 2>&1 | FileCheck -check-prefix=CHECK-H2-NOLIBC %s
+// CHECK-H2-NOLIBC: "-cc1"
+// CHECK-H2-NOLIBC: {{hexagon-link|ld}}
+// CHECK-H2-NOLIBC: "{{.*}}crt0-noflash-hosted.o"
+// CHECK-H2-NOLIBC-SAME: "-lc++"
+// CHECK-H2-NOLIBC-SAME: "-lm"
+// CHECK-H2-NOLIBC-SAME: "--start-group"
+// CHECK-H2-NOLIBC-SAME: "-lh2"
+// CHECK-H2-NOLIBC-SAME: "-lsyscall_wrapper"
+// CHECK-H2-NOLIBC-NOT: "-lc"
+// CHECK-H2-NOLIBC-SAME: "-lclang_rt.builtins"
+// CHECK-H2-NOLIBC-SAME: "--end-group"
+
+//
-----------------------------------------------------------------------------
+// H2: compiler-rt is forced (not -lgcc)
+//
-----------------------------------------------------------------------------
+// RUN: %clang --target=hexagon-h2-elf --cstdlib=picolibc -### %s 2>&1 |
FileCheck %s --check-prefix=CHECK-H2-RTLIB
+// RUN: %clangxx --target=hexagon-h2-elf --cstdlib=picolibc -### %s 2>&1 |
FileCheck %s --check-prefix=CHECK-H2-RTLIB
+// CHECK-H2-RTLIB: "-lclang_rt.builtins"
+// CHECK-H2-RTLIB-NOT: "-lgcc"
+
+//
-----------------------------------------------------------------------------
+// H2: libunwind linked for C++ but not C
+//
-----------------------------------------------------------------------------
+// RUN: %clangxx --target=hexagon-h2-elf --cstdlib=picolibc -### %s 2>&1 |
FileCheck %s --check-prefix=CHECK-H2-CXX-UNWIND
+// CHECK-H2-CXX-UNWIND: "-lunwind"
+
+//
-----------------------------------------------------------------------------
+// H2: library search paths use target/picolibc/hexagon-unknown-h2-elf/
----------------
androm3da wrote:
So the major axis here is the C library and not the triple?
TBH I don't know what makes the most sense here but it's not what I'd have
guessed. Is there a convention on this used by other toolchains?
https://github.com/llvm/llvm-project/pull/195795
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