diff options
Diffstat (limited to 'src/test/run-make-fulldeps/stable-symbol-names/Makefile')
| -rw-r--r-- | src/test/run-make-fulldeps/stable-symbol-names/Makefile | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/test/run-make-fulldeps/stable-symbol-names/Makefile b/src/test/run-make-fulldeps/stable-symbol-names/Makefile new file mode 100644 index 000000000..451af809b --- /dev/null +++ b/src/test/run-make-fulldeps/stable-symbol-names/Makefile @@ -0,0 +1,41 @@ +-include ../tools.mk + +# The following command will: +# 1. dump the symbols of a library using `nm` +# 2. extract only those lines that we are interested in via `grep` +# 3. from those lines, extract just the symbol name via `sed`, which: +# * always starts with "_ZN" and ends with "E" (`legacy` mangling) +# * always starts with "_R" (`v0` mangling) +# 4. sort those symbol names for deterministic comparison +# 5. write the result into a file + +dump-symbols = nm "$(TMPDIR)/lib$(1).rlib" \ + | grep -E "$(2)" \ + | sed -E "s/.*(_ZN.*E|_R[a-zA-Z0-9_]*).*/\1/" \ + | sort \ + > "$(TMPDIR)/$(1)$(3).nm" + +# This test +# - compiles each of the two crates 2 times and makes sure each time we get +# exactly the same symbol names +# - makes sure that both crates agree on the same symbol names for monomorphic +# functions + +all: + $(RUSTC) stable-symbol-names1.rs + $(call dump-symbols,stable_symbol_names1,generic_|mono_,_v1) + rm $(TMPDIR)/libstable_symbol_names1.rlib + $(RUSTC) stable-symbol-names1.rs + $(call dump-symbols,stable_symbol_names1,generic_|mono_,_v2) + cmp "$(TMPDIR)/stable_symbol_names1_v1.nm" "$(TMPDIR)/stable_symbol_names1_v2.nm" + + $(RUSTC) stable-symbol-names2.rs + $(call dump-symbols,stable_symbol_names2,generic_|mono_,_v1) + rm $(TMPDIR)/libstable_symbol_names2.rlib + $(RUSTC) stable-symbol-names2.rs + $(call dump-symbols,stable_symbol_names2,generic_|mono_,_v2) + cmp "$(TMPDIR)/stable_symbol_names2_v1.nm" "$(TMPDIR)/stable_symbol_names2_v2.nm" + + $(call dump-symbols,stable_symbol_names1,mono_,_cross) + $(call dump-symbols,stable_symbol_names2,mono_,_cross) + cmp "$(TMPDIR)/stable_symbol_names1_cross.nm" "$(TMPDIR)/stable_symbol_names2_cross.nm" |