Statically link librustrt to libstd
This commit alters the build process of the compiler to build a static librustrt.a instead of a dynamic version. This means that we can stop distributing librustrt as well as default linking against it in the compiler. This also means that if you attempt to build rust code without libstd, it will no longer work if there are any landing pads in play. The reason for this is that LLVM and rustc will emit calls to the various upcalls in librustrt used to manage exception handling. In theory we could split librustrt into librustrt and librustupcall. We would then distribute librustupcall and link to it for all programs using landing pads, but I would rather see just one librustrt artifact and simplify the build process. The major benefit of doing this is that building a static rust library for use in embedded situations all of a sudden just became a whole lot more feasible. Closes #3361
This commit is contained in:
Alex Crichton
parent
e338a4154b
commit
9fbba7b2ee
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@ -222,7 +222,7 @@ GENERATED :=
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define DEF_LIBS
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CFG_RUNTIME_$(1) :=$(call CFG_LIB_NAME_$(1),rustrt)
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CFG_RUNTIME_$(1) :=$(call CFG_STATIC_LIB_NAME_$(1),rustrt)
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CFG_RUSTLLVM_$(1) :=$(call CFG_LIB_NAME_$(1),rustllvm)
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CFG_STDLIB_$(1) :=$(call CFG_LIB_NAME_$(1),std)
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CFG_EXTRALIB_$(1) :=$(call CFG_LIB_NAME_$(1),extra)
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@ -88,7 +88,6 @@ install-target-$(1)-host-$(2): LIB_SOURCE_DIR=$$(TL$(1)$(2))
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install-target-$(1)-host-$(2): LIB_DESTIN_DIR=$$(PTL$(1)$(2))
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install-target-$(1)-host-$(2): $$(TSREQ$$(ISTAGE)_T_$(1)_H_$(2)) $$(SREQ$$(ISTAGE)_T_$(1)_H_$(2))
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$$(Q)$$(call MK_INSTALL_DIR,$$(PTL$(1)$(2)))
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$$(Q)$$(call INSTALL_LIB,$$(CFG_RUNTIME_$(1)))
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$$(Q)$$(call INSTALL_LIB,$$(STDLIB_GLOB_$(1)))
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$$(Q)$$(call INSTALL_LIB,$$(EXTRALIB_GLOB_$(1)))
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$$(Q)$$(call INSTALL_LIB,$$(LIBRUSTUV_GLOB_$(1)))
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@ -101,7 +100,6 @@ install-target-$(1)-host-$(2): LIB_SOURCE_DIR=$$(TL$(1)$(2))
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install-target-$(1)-host-$(2): LIB_DESTIN_DIR=$$(PTL$(1)$(2))
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install-target-$(1)-host-$(2): $$(CSREQ$$(ISTAGE)_T_$(1)_H_$(2))
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$$(Q)$$(call MK_INSTALL_DIR,$$(PTL$(1)$(2)))
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$$(Q)$$(call INSTALL_LIB,$$(CFG_RUNTIME_$(1)))
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$$(Q)$$(call INSTALL_LIB,$$(CFG_RUSTLLVM_$(1)))
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$$(Q)$$(call INSTALL_LIB,$$(STDLIB_GLOB_$(1)))
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$$(Q)$$(call INSTALL_LIB,$$(EXTRALIB_GLOB_$(1)))
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@ -153,7 +151,6 @@ install-host: $(CSREQ$(ISTAGE)_T_$(CFG_BUILD_)_H_$(CFG_BUILD_))
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$(Q)$(call INSTALL_LIB,$(LIBSYNTAX_GLOB_$(CFG_BUILD)))
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$(Q)$(call INSTALL_LIB,$(LIBRUSTPKG_GLOB_$(CFG_BUILD)))
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$(Q)$(call INSTALL_LIB,$(LIBRUSTDOC_GLOB_$(CFG_BUILD)))
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$(Q)$(call INSTALL,$(HL),$(PHL),$(CFG_RUNTIME_$(CFG_BUILD)))
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$(Q)$(call INSTALL,$(HL),$(PHL),$(CFG_RUSTLLVM_$(CFG_BUILD)))
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$(Q)$(call INSTALL,$(S)/man,$(CFG_MANDIR)/man1,rustc.1)
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$(Q)$(call INSTALL,$(S)/man,$(CFG_MANDIR)/man1,rustdoc.1)
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@ -170,7 +167,6 @@ uninstall:
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$(Q)rm -f $(PHB)/rustpkg$(X_$(CFG_BUILD))
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$(Q)rm -f $(PHB)/rustdoc$(X_$(CFG_BUILD))
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$(Q)rm -f $(PHL)/$(CFG_RUSTLLVM_$(CFG_BUILD))
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$(Q)rm -f $(PHL)/$(CFG_RUNTIME_$(CFG_BUILD))
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$(Q)for i in \
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$(call HOST_LIB_FROM_HL_GLOB,$(STDLIB_GLOB_$(CFG_BUILD))) \
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$(call HOST_LIB_FROM_HL_GLOB,$(STDLIB_RGLOB_$(CFG_BUILD))) \
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@ -238,7 +234,6 @@ endif
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define INSTALL_RUNTIME_TARGET_N
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install-runtime-target-$(1)-host-$(2): $$(TSREQ$$(ISTAGE)_T_$(1)_H_$(2)) $$(SREQ$$(ISTAGE)_T_$(1)_H_$(2))
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$(Q)$(call ADB_SHELL,mkdir,$(CFG_RUNTIME_PUSH_DIR))
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$(Q)$(call ADB_PUSH,$$(TL$(1)$(2))/$$(CFG_RUNTIME_$(1)),$(CFG_RUNTIME_PUSH_DIR))
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$(Q)$(call ADB_PUSH,$$(TL$(1)$(2))/$$(STDLIB_GLOB_$(1)),$(CFG_RUNTIME_PUSH_DIR))
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$(Q)$(call ADB_PUSH,$$(TL$(1)$(2))/$$(EXTRALIB_GLOB_$(1)),$(CFG_RUNTIME_PUSH_DIR))
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$(Q)$(call ADB_PUSH,$$(TL$(1)$(2))/$$(LIBRUSTUV_GLOB_$(1)),$(CFG_RUNTIME_PUSH_DIR))
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@ -247,7 +242,6 @@ endef
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define INSTALL_RUNTIME_TARGET_CLEANUP_N
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install-runtime-target-$(1)-cleanup:
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$(Q)$(call ADB,remount)
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$(Q)$(call ADB_SHELL,rm,$(CFG_RUNTIME_PUSH_DIR)/$(CFG_RUNTIME_$(1)))
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$(Q)$(call ADB_SHELL,rm,$(CFG_RUNTIME_PUSH_DIR)/$(STDLIB_GLOB_$(1)))
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$(Q)$(call ADB_SHELL,rm,$(CFG_RUNTIME_PUSH_DIR)/$(EXTRALIB_GLOB_$(1)))
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$(Q)$(call ADB_SHELL,rm,$(CFG_RUNTIME_PUSH_DIR)/$(LIBRUSTUV_GLOB_$(1)))
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6
mk/rt.mk
6
mk/rt.mk
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@ -121,11 +121,9 @@ $$(RT_BUILD_DIR_$(1)_$(2))/arch/$$(HOST_$(1))/libmorestack.a: $$(MORESTACK_OBJS_
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@$$(call E, link: $$@)
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$$(Q)$(AR_$(1)) rcs $$@ $$^
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$$(RT_BUILD_DIR_$(1)_$(2))/$(CFG_RUNTIME_$(1)): $$(RUNTIME_OBJS_$(1)_$(2)) $$(MKFILE_DEPS) \
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$$(RUNTIME_DEF_$(1)_$(2))
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$$(RT_BUILD_DIR_$(1)_$(2))/$(CFG_RUNTIME_$(1)): $$(RUNTIME_OBJS_$(1)_$(2)) $$(MKFILE_DEPS)
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@$$(call E, link: $$@)
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$$(Q)$$(call CFG_LINK_CXX_$(1),$$@, $$(RUNTIME_OBJS_$(1)_$(2)) \
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$$(CFG_LIBUV_LINK_FLAGS_$(1)),$$(RUNTIME_DEF_$(1)_$(2)),$$(CFG_RUNTIME_$(1)))
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$$(Q)$(AR_$(1)) rcs $$@ $$(RUNTIME_OBJS_$(1)_$(2))
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# These could go in rt.mk or rustllvm.mk, they're needed for both.
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@ -31,7 +31,6 @@ snapshot_files = {
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"lib/librustc-*.so",
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"lib/libsyntax-*.so",
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"lib/librustuv-*.so",
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"lib/librustrt.so",
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"lib/librustllvm.so"],
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"macos": ["bin/rustc",
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"lib/libstd-*.dylib",
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@ -39,7 +38,6 @@ snapshot_files = {
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"lib/librustc-*.dylib",
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"lib/libsyntax-*.dylib",
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"lib/librustuv-*.dylib",
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"lib/librustrt.dylib",
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"lib/librustllvm.dylib"],
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"winnt": ["bin/rustc.exe",
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"bin/std-*.dll",
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@ -47,7 +45,6 @@ snapshot_files = {
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"bin/rustc-*.dll",
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"bin/syntax-*.dll",
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"bin/rustuv-*.dll",
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"bin/rustrt.dll",
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"bin/rustllvm.dll"],
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"freebsd": ["bin/rustc",
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"lib/libstd-*.so",
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@ -55,7 +52,6 @@ snapshot_files = {
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"lib/librustc-*.so",
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"lib/libsyntax-*.so",
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"lib/librustuv-*.so",
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"lib/librustrt.so",
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"lib/librustllvm.so"]
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}
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@ -13,7 +13,7 @@
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//! necessary for running libstd.
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// All platforms need to link to rustrt
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#[link(name = "rustrt")]
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#[link(name = "rustrt", kind = "static")]
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extern {}
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// LLVM implements the `frem` instruction as a call to `fmod`, which lives in
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@ -26,6 +26,7 @@ extern {}
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#[link(name = "dl")]
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#[link(name = "m")]
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#[link(name = "pthread")]
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#[link(name = "stdc++")]
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extern {}
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#[cfg(target_os = "android")]
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@ -45,4 +46,9 @@ extern {}
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#[cfg(target_os = "macos")]
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#[link(name = "pthread")]
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#[link(name = "stdc++")]
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extern {}
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#[cfg(stage0)]
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#[link_args = "-lstdc++"]
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extern {}
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@ -1,51 +0,0 @@
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rust_dbg_abi_1
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rust_dbg_abi_2
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rust_dbg_static_mut
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rust_dbg_static_mut_check_four
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rust_get_time
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rust_tzset
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rust_gmtime
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rust_localtime
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rust_timegm
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rust_mktime
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rust_precise_time_ns
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rust_list_dir_val
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rust_list_dir_wfd_size
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rust_list_dir_wfd_fp_buf
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rust_unset_sigprocmask
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rust_env_pairs
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rust_win32_rand_acquire
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rust_win32_rand_gen
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rust_win32_rand_release
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upcall_rust_personality
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upcall_reset_stack_limit
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rust_dbg_call
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rust_dbg_do_nothing
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tdefl_compress_mem_to_heap
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tinfl_decompress_mem_to_heap
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rust_swap_registers
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rust_readdir
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rust_opendir
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rust_dbg_extern_identity_u32
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rust_dbg_extern_identity_u64
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rust_dbg_extern_identity_TwoU8s
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rust_dbg_extern_identity_TwoU16s
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rust_dbg_extern_identity_TwoU32s
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rust_dbg_extern_identity_TwoU64s
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rust_dbg_extern_identity_TwoDoubles
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rust_dbg_extern_return_TwoU8s
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rust_dbg_extern_return_TwoU16s
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rust_dbg_extern_return_TwoU32s
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rust_dbg_extern_return_TwoU64s
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rust_dbg_extern_identity_double
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rust_dbg_extern_identity_u8
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rust_try
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rust_begin_unwind
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rust_valgrind_stack_register
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rust_valgrind_stack_deregister
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rust_running_on_valgrind
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rust_get_num_cpus
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rust_get_test_int
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rust_pthread_mutex_t_size
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rust_pthread_cond_t_size
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rust_crit_section_size
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@ -8,14 +8,13 @@
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#[link_name = "rustrt"];
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#[link(name = "anonexternmod",
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vers = "0.1")];
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#[link(name = "anonexternmod", vers = "0.1")];
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#[crate_type = "lib"];
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use std::libc;
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extern {
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#[link(name = "rustrt")]
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pub fn rust_get_test_int() -> libc::intptr_t;
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}
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@ -18,6 +18,7 @@ use std::libc;
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pub mod rustrt {
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use std::libc;
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_call(cb: extern "C" fn(libc::uintptr_t) -> libc::uintptr_t,
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data: libc::uintptr_t)
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@ -13,6 +13,7 @@
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pub mod rustrt {
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use std::libc;
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#[link(name = "rustrt")]
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extern {
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fn rust_get_test_int() -> libc::intptr_t;
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}
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@ -14,6 +14,9 @@ extern mod anonexternmod;
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use anonexternmod::rust_get_test_int;
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#[link(name = "rustrt")] // we have explicitly chosen to require this
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extern {}
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pub fn main() {
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unsafe {
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rust_get_test_int();
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@ -10,7 +10,7 @@
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use std::libc;
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#[link_name = "rustrt"]
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#[link(name = "rustrt")]
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extern {
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fn rust_get_test_int() -> libc::intptr_t;
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}
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@ -11,6 +11,7 @@
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mod rustrt {
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use std::libc;
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#[link(name = "rustrt")]
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extern {
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pub fn rust_get_test_int() -> libc::intptr_t;
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}
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@ -13,6 +13,7 @@ use std::libc;
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mod rustrt {
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use std::libc;
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_call(cb: extern "C" fn(libc::uintptr_t) -> libc::uintptr_t,
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data: libc::uintptr_t)
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@ -14,6 +14,7 @@ use std::task;
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mod rustrt {
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use std::libc;
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_call(cb: extern "C" fn(libc::uintptr_t) -> libc::uintptr_t,
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data: libc::uintptr_t)
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@ -13,6 +13,7 @@ use std::libc;
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mod rustrt {
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use std::libc;
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_call(cb: extern "C" fn(libc::uintptr_t) -> libc::uintptr_t,
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data: libc::uintptr_t)
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@ -18,6 +18,7 @@ use std::task;
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mod rustrt {
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use std::libc;
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_call(cb: extern "C" fn(libc::uintptr_t) -> libc::uintptr_t,
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data: libc::uintptr_t)
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@ -18,6 +18,7 @@ struct TwoU16s {
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one: u16, two: u16
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}
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_extern_identity_TwoU16s(v: TwoU16s) -> TwoU16s;
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}
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@ -16,6 +16,7 @@ struct TwoU32s {
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one: u32, two: u32
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}
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_extern_identity_TwoU32s(v: TwoU32s) -> TwoU32s;
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}
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@ -18,6 +18,7 @@ struct TwoU64s {
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one: u64, two: u64
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}
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_extern_identity_TwoU64s(v: TwoU64s) -> TwoU64s;
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}
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@ -18,6 +18,7 @@ struct TwoU8s {
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one: u8, two: u8
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}
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_extern_identity_TwoU8s(v: TwoU8s) -> TwoU8s;
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}
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@ -10,6 +10,7 @@
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// Test a function that takes/returns a u8.
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_extern_identity_u8(v: u8) -> u8;
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}
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@ -8,6 +8,7 @@
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_extern_identity_double(v: f64) -> f64;
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}
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@ -10,6 +10,7 @@
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// Test a function that takes/returns a u32.
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_extern_identity_u32(v: u32) -> u32;
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}
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@ -10,6 +10,7 @@
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// Test a call to a function that takes/returns a u64.
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_extern_identity_u64(v: u64) -> u64;
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}
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@ -12,6 +12,7 @@ struct TwoU16s {
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one: u16, two: u16
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}
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_extern_return_TwoU16s() -> TwoU16s;
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}
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@ -12,6 +12,7 @@ struct TwoU32s {
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one: u32, two: u32
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}
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_extern_return_TwoU32s() -> TwoU32s;
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}
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@ -14,6 +14,7 @@ struct TwoU64s {
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one: u64, two: u64
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}
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#[link(name = "rustrt")]
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extern {
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pub fn rust_dbg_extern_return_TwoU64s() -> TwoU64s;
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}
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@ -12,6 +12,7 @@ struct TwoU8s {
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one: u8, two: u8
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}
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#[link(name = "rustrt")]
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extern {
|
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pub fn rust_dbg_extern_return_TwoU8s() -> TwoU8s;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -17,6 +17,7 @@ use std::task;
|
|||
mod rustrt {
|
||||
use std::libc;
|
||||
|
||||
#[link(name = "rustrt")]
|
||||
extern {
|
||||
pub fn rust_dbg_call(cb: extern "C" fn(libc::uintptr_t) -> libc::uintptr_t,
|
||||
data: libc::uintptr_t)
|
||||
|
|
|
|||
|
|
@ -14,6 +14,7 @@ use std::task;
|
|||
mod rustrt {
|
||||
use std::libc;
|
||||
|
||||
#[link(name = "rustrt")]
|
||||
extern {
|
||||
pub fn rust_dbg_call(cb: extern "C" fn (libc::uintptr_t) -> libc::uintptr_t,
|
||||
data: libc::uintptr_t)
|
||||
|
|
|
|||
|
|
@ -2,6 +2,7 @@ use std::cast;
|
|||
use std::libc;
|
||||
use std::unstable::run_in_bare_thread;
|
||||
|
||||
#[link(name = "rustrt")]
|
||||
extern {
|
||||
fn rust_dbg_call(cb: extern "C" fn(libc::uintptr_t),
|
||||
data: libc::uintptr_t) -> libc::uintptr_t;
|
||||
|
|
|
|||
|
|
@ -14,7 +14,7 @@
|
|||
mod rustrt1 {
|
||||
use std::libc;
|
||||
|
||||
#[link_name = "rustrt"]
|
||||
#[link(name = "rustrt")]
|
||||
extern {
|
||||
pub fn rust_get_test_int() -> libc::intptr_t;
|
||||
}
|
||||
|
|
@ -23,7 +23,7 @@ mod rustrt1 {
|
|||
mod rustrt2 {
|
||||
use std::libc;
|
||||
|
||||
#[link_name = "rustrt"]
|
||||
#[link(name = "rustrt")]
|
||||
extern {
|
||||
pub fn rust_get_test_int() -> libc::intptr_t;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -13,6 +13,7 @@
|
|||
mod rustrt {
|
||||
use std::libc;
|
||||
|
||||
#[link(name = "rustrt")]
|
||||
extern {
|
||||
pub fn rust_get_test_int() -> libc::intptr_t;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -17,6 +17,9 @@
|
|||
|
||||
extern mod foreign_lib;
|
||||
|
||||
#[link(name = "rustrt")] // we have explicitly chosen to require this
|
||||
extern {}
|
||||
|
||||
pub fn main() {
|
||||
unsafe {
|
||||
let _foo = foreign_lib::rustrt::rust_get_test_int();
|
||||
|
|
|
|||
|
|
@ -14,7 +14,7 @@
|
|||
|
||||
use std::libc;
|
||||
|
||||
#[nolink]
|
||||
#[link(name = "rustrt")]
|
||||
extern {
|
||||
static mut rust_dbg_static_mut: libc::c_int;
|
||||
pub fn rust_dbg_static_mut_check_four();
|
||||
|
|
|
|||
|
|
@ -16,7 +16,7 @@ pub struct Floats { a: f64, b: u8, c: f64 }
|
|||
mod rustrt {
|
||||
use super::{Floats, Quad};
|
||||
|
||||
#[nolink]
|
||||
#[link(name = "rustrt")]
|
||||
extern {
|
||||
pub fn rust_dbg_abi_1(q: Quad) -> Quad;
|
||||
pub fn rust_dbg_abi_2(f: Floats) -> Floats;
|
||||
|
|
|
|||
Loading…
Reference in New Issue