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Variable for weakened symbols, weaken umodti3

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This commit is contained in:
Jeremy Soller
2020-08-25 08:21:31 -06:00
parent 5472e117a5
commit 3a0d2177cd
1 changed files with 11 additions and 3 deletions
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Makefile
+11 -3
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@@ -41,6 +41,15 @@ SRC=\
Cargo.* \
$(shell find src -type f)
# FIXME: Remove the following line. It's only required since xargo automatically links with compiler_builtins, which conflicts with the compiler_builtins that rustc always links with.
WEAKEN_SYMBOLS=\
-W __divti3 \
-W __fixdfti \
-W __floattidf \
-W __muloti4 \
-W __udivti3 \
-W __umodti3
.PHONY: all clean fmt install install-headers libs test
all: | libs
@@ -115,7 +124,7 @@ $(BUILD)/debug/libc.so: $(BUILD)/debug/librelibc.a $(BUILD)/pthreads-emb/libpthr
$(BUILD)/debug/librelibc.a: $(SRC)
CARGO_INCREMENTAL=0 $(CARGO) rustc $(CARGOFLAGS) -- --emit link=$@ $(RUSTCFLAGS)
# FIXME: Remove the following line. It's only required since xargo automatically links with compiler_builtins, which conflicts with the compiler_builtins that rustc always links with.
$(OBJCOPY) $@ -W __divti3 -W __muloti4 -W __udivti3 -W __floattidf -W __fixdfti
$(OBJCOPY) $@ $(WEAKEN_SYMBOLS)
touch $@
$(BUILD)/debug/crt0.o: $(SRC)
@@ -153,8 +162,7 @@ $(BUILD)/release/libc.so: $(BUILD)/release/librelibc.a $(BUILD)/pthreads-emb/lib
$(BUILD)/release/librelibc.a: $(SRC)
CARGO_INCREMENTAL=0 $(CARGO) rustc --release $(CARGOFLAGS) -- --emit link=$@ $(RUSTCFLAGS)
# FIXME: Remove the following line. It's only required since xargo automatically links with compiler_builtins, which conflicts with the compiler_builtins that rustc always links with.
$(OBJCOPY) $@ -W __divti3 -W __muloti4 -W __udivti3 -W __floattidf -W __fixdfti
$(OBJCOPY) $@ $(WEAKEN_SYMBOLS)
touch $@
$(BUILD)/release/crt0.o: $(SRC)