diff options
Diffstat (limited to 'src/test/run-make/remap-path-prefix-dwarf/Makefile')
| -rw-r--r-- | src/test/run-make/remap-path-prefix-dwarf/Makefile | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/test/run-make/remap-path-prefix-dwarf/Makefile b/src/test/run-make/remap-path-prefix-dwarf/Makefile new file mode 100644 index 000000000..561a343d6 --- /dev/null +++ b/src/test/run-make/remap-path-prefix-dwarf/Makefile @@ -0,0 +1,77 @@ +# This test makes sure that --remap-path-prefix has the expected effects on paths in debuginfo. +# It tests several cases, each of them has a detailed description attached to it. + +# ignore-windows + +SRC_DIR := $(abspath .) +SRC_DIR_PARENT := $(abspath ..) + +-include ../../run-make-fulldeps/tools.mk + +all: \ + abs_input_outside_working_dir \ + rel_input_remap_working_dir \ + rel_input_remap_working_dir_parent \ + rel_input_remap_working_dir_child \ + abs_input_inside_working_dir \ + abs_input_outside_working_dir + +# The compiler is called with an *ABSOLUTE PATH* as input, and that absolute path *is* within +# the working directory of the compiler. We are remapping the path that contains `src`. +abs_input_inside_working_dir: + # We explicitly switch to a directory that *is* a prefix of the directory our + # source code is contained in. + cd $(SRC_DIR) && $(RUSTC) $(SRC_DIR)/src/quux.rs -o "$(TMPDIR)/abs_input_inside_working_dir.rlib" -Cdebuginfo=2 --remap-path-prefix $(SRC_DIR)=REMAPPED + # We expect the path to the main source file to be remapped. + "$(LLVM_BIN_DIR)"/llvm-dwarfdump $(TMPDIR)/abs_input_inside_working_dir.rlib | $(CGREP) "REMAPPED/src/quux.rs" + # No weird duplication of remapped components (see #78479) + "$(LLVM_BIN_DIR)"/llvm-dwarfdump $(TMPDIR)/abs_input_inside_working_dir.rlib | $(CGREP) -v "REMAPPED/REMAPPED" + +# The compiler is called with an *ABSOLUTE PATH* as input, and that absolute path is *not* within +# the working directory of the compiler. We are remapping both the path that contains `src` and +# the working directory to the same thing. This setup corresponds to a workaround that is needed +# when trying to remap everything to something that looks like a local path. +# Relative paths are interpreted as relative to the compiler's working directory (e.g. in +# debuginfo). If we also remap the working directory, the compiler strip it from other paths so +# that the final outcome is the desired one again. +abs_input_outside_working_dir: + # We explicitly switch to a directory that is *not* a prefix of the directory our + # source code is contained in. + cd $(TMPDIR) && $(RUSTC) $(SRC_DIR)/src/quux.rs -o "$(TMPDIR)/abs_input_outside_working_dir.rlib" -Cdebuginfo=2 --remap-path-prefix $(SRC_DIR)=REMAPPED --remap-path-prefix $(TMPDIR)=REMAPPED + "$(LLVM_BIN_DIR)"/llvm-dwarfdump $(TMPDIR)/abs_input_outside_working_dir.rlib | $(CGREP) "REMAPPED/src/quux.rs" + # No weird duplication of remapped components (see #78479) + "$(LLVM_BIN_DIR)"/llvm-dwarfdump $(TMPDIR)/abs_input_outside_working_dir.rlib | $(CGREP) -v "REMAPPED/REMAPPED" + +# The compiler is called with a *RELATIVE PATH* as input. We are remapping the working directory of +# the compiler, which naturally is an implicit prefix of our relative input path. Debuginfo will +# expand the relative path to an absolute path and we expect the working directory to be remapped +# in that expansion. +rel_input_remap_working_dir: + cd $(SRC_DIR) && $(RUSTC) src/quux.rs -o "$(TMPDIR)/rel_input_remap_working_dir.rlib" -Cdebuginfo=2 --remap-path-prefix "$(SRC_DIR)=REMAPPED" + "$(LLVM_BIN_DIR)"/llvm-dwarfdump "$(TMPDIR)/rel_input_remap_working_dir.rlib" | $(CGREP) "REMAPPED/src/quux.rs" + # No weird duplication of remapped components (see #78479) + "$(LLVM_BIN_DIR)"/llvm-dwarfdump "$(TMPDIR)/rel_input_remap_working_dir.rlib" | $(CGREP) -v "REMAPPED/REMAPPED" + +# The compiler is called with a *RELATIVE PATH* as input. We are remapping a *SUB-DIRECTORY* of the +# compiler's working directory. This test makes sure that that directory is remapped even though it +# won't actually show up in this form in the compiler's SourceMap and instead is only constructed +# on demand during debuginfo generation. +rel_input_remap_working_dir_child: + cd $(SRC_DIR) && $(RUSTC) src/quux.rs -o "$(TMPDIR)/rel_input_remap_working_dir_child.rlib" -Cdebuginfo=2 --remap-path-prefix "$(SRC_DIR)/src=REMAPPED" + # We expect `src/quux.rs` to have been remapped to `REMAPPED/quux.rs`. + "$(LLVM_BIN_DIR)"/llvm-dwarfdump "$(TMPDIR)/rel_input_remap_working_dir_child.rlib" | $(CGREP) "REMAPPED/quux.rs" + # We don't want to find the path that we just remapped anywhere in the DWARF + "$(LLVM_BIN_DIR)"/llvm-dwarfdump "$(TMPDIR)/rel_input_remap_working_dir_child.rlib" | $(CGREP) -v "$(SRC_DIR)/src" + # No weird duplication of remapped components (see #78479) + "$(LLVM_BIN_DIR)"/llvm-dwarfdump "$(TMPDIR)/rel_input_remap_working_dir_child.rlib" | $(CGREP) -v "REMAPPED/REMAPPED" + +# The compiler is called with a *RELATIVE PATH* as input. We are remapping a *PARENT DIRECTORY* of +# the compiler's working directory. +rel_input_remap_working_dir_parent: + cd $(SRC_DIR) && $(RUSTC) src/quux.rs -o "$(TMPDIR)/rel_input_remap_working_dir_parent.rlib" -Cdebuginfo=2 --remap-path-prefix "$(SRC_DIR_PARENT)=REMAPPED" + # We expect `src/quux.rs` to have been remapped to `REMAPPED/remap-path-prefix-dwarf/src/quux.rs`. + "$(LLVM_BIN_DIR)"/llvm-dwarfdump "$(TMPDIR)/rel_input_remap_working_dir_parent.rlib" | $(CGREP) "REMAPPED/remap-path-prefix-dwarf/src/quux.rs" + # We don't want to find the path that we just remapped anywhere in the DWARF + "$(LLVM_BIN_DIR)"/llvm-dwarfdump "$(TMPDIR)/rel_input_remap_working_dir_parent.rlib" | $(CGREP) -v "$(SRC_DIR_PARENT)" + # No weird duplication of remapped components (see #78479) + "$(LLVM_BIN_DIR)"/llvm-dwarfdump "$(TMPDIR)/rel_input_remap_working_dir_parent.rlib" | $(CGREP) -v "REMAPPED/REMAPPED" |