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Add preliminary AArch64 GCC patch
This commit is contained in:
fincs
Dave Murphy
parent
abacc13bf7
commit
993c6681cb
112
dka64/patches/gcc-6.3.0.patch
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112
dka64/patches/gcc-6.3.0.patch
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@ -0,0 +1,112 @@
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diff --git a/gcc/Makefile.in b/gcc/Makefile.in
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index 6c5adc0bb..bf99d9883 100644
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--- a/gcc/Makefile.in
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+++ b/gcc/Makefile.in
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@@ -1073,8 +1073,8 @@ ifeq ($(CXXDEPMODE),depmode=gcc3)
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# things like the go/%.o rule work properly; but we use $(*F) for the
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# file part, as we just want the file part of the stem, not the entire
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# file name.
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-COMPILE = $(COMPILE.base) -MT $@ -MMD -MP -MF $(@D)/$(DEPDIR)/$(*F).TPo
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-POSTCOMPILE = @mv $(@D)/$(DEPDIR)/$(*F).TPo $(@D)/$(DEPDIR)/$(*F).Po
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+COMPILE = $(COMPILE.base)
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+POSTCOMPILE =
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else
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COMPILE = source='$<' object='$@' libtool=no \
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DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) $(COMPILE.base)
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diff --git a/gcc/config/aarch64/aarch64-elf-raw.h b/gcc/config/aarch64/aarch64-elf-raw.h
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index 909701788..6f7ef694f 100644
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--- a/gcc/config/aarch64/aarch64-elf-raw.h
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+++ b/gcc/config/aarch64/aarch64-elf-raw.h
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@@ -22,6 +22,7 @@
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#ifndef GCC_AARCH64_ELF_RAW_H
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#define GCC_AARCH64_ELF_RAW_H
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+#define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %L %(libgloss) --end-group"
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#define STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s"
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#define ENDFILE_SPEC \
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" crtend%O%s crtn%O%s " \
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diff --git a/gcc/config/aarch64/t-aarch64 b/gcc/config/aarch64/t-aarch64
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index 778e15c96..76aeaf7f6 100644
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--- a/gcc/config/aarch64/t-aarch64
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+++ b/gcc/config/aarch64/t-aarch64
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@@ -67,5 +67,7 @@ cortex-a57-fma-steering.o: $(srcdir)/config/aarch64/cortex-a57-fma-steering.c \
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$(srcdir)/config/aarch64/cortex-a57-fma-steering.c
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comma=,
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-MULTILIB_OPTIONS = $(subst $(comma),/, $(patsubst %, mabi=%, $(subst $(comma),$(comma)mabi=,$(TM_MULTILIB_CONFIG))))
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-MULTILIB_DIRNAMES = $(subst $(comma), ,$(TM_MULTILIB_CONFIG))
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+MULTILIB_OPTIONS = mcmodel=large
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+MULTILIB_DIRNAMES = large
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+MULTILIB_REQUIRED = mcmodel=large
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+MULTILIB_MATCHES =
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diff --git a/gcc/gcc.c b/gcc/gcc.c
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index 0f042b0f1..00a79153e 100644
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--- a/gcc/gcc.c
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+++ b/gcc/gcc.c
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@@ -778,6 +778,11 @@ proper position among the other output files. */
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#endif
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#endif
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+#ifndef LIBGLOSS_SPEC
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+# define LIBGLOSS_SPEC "-lsysbase"
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+#endif
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+
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+
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/* config.h can define STARTFILE_SPEC to override the default crt0 files. */
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#ifndef STARTFILE_SPEC
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#define STARTFILE_SPEC \
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@@ -1062,6 +1067,7 @@ static const char *link_spec = LINK_SPEC;
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static const char *lib_spec = LIB_SPEC;
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static const char *link_gomp_spec = "";
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static const char *libgcc_spec = LIBGCC_SPEC;
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+static const char *libgloss_spec = LIBGLOSS_SPEC;
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static const char *endfile_spec = ENDFILE_SPEC;
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static const char *startfile_spec = STARTFILE_SPEC;
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static const char *linker_name_spec = LINKER_NAME;
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@@ -1563,6 +1569,7 @@ static struct spec_list static_specs[] =
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INIT_STATIC_SPEC ("lib", &lib_spec),
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INIT_STATIC_SPEC ("link_gomp", &link_gomp_spec),
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INIT_STATIC_SPEC ("libgcc", &libgcc_spec),
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+ INIT_STATIC_SPEC ("libgloss", &libgloss_spec),
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INIT_STATIC_SPEC ("startfile", &startfile_spec),
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INIT_STATIC_SPEC ("cross_compile", &cross_compile),
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INIT_STATIC_SPEC ("version", &compiler_version),
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diff --git a/libcpp/Makefile.in b/libcpp/Makefile.in
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index a7d782803..e6741a5bd 100644
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--- a/libcpp/Makefile.in
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+++ b/libcpp/Makefile.in
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@@ -208,8 +208,7 @@ ifeq ($(DEPMODE),depmode=gcc3)
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# Note that we put the dependencies into a .Tpo file, then move them
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# into place if the compile succeeds. We need this because gcc does
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# not atomically write the dependency output file.
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-COMPILE = $(COMPILE.base) -o $@ -MT $@ -MMD -MP -MF $(DEPDIR)/$*.Tpo
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-POSTCOMPILE = @mv $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
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+COMPILE = $(COMPILE.base) -o $@
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else
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COMPILE = source='$<' object='$@' libtool=no DEPDIR=$(DEPDIR) $(DEPMODE) \
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$(depcomp) $(COMPILE.base)
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diff --git a/libgcc/Makefile.in b/libgcc/Makefile.in
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index f09b39b0e..45299e0ff 100644
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--- a/libgcc/Makefile.in
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+++ b/libgcc/Makefile.in
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@@ -820,7 +820,7 @@ endif
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# libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and
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# LIB2ADDEHSHARED matter. (Usually all three are identical.)
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-c_flags := -fexceptions
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+c_flags := -fno-exceptions
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ifeq ($(enable_shared),yes)
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diff --git a/libgcc/crtstuff.c b/libgcc/crtstuff.c
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index f3343fc4f..75e220ab4 100644
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--- a/libgcc/crtstuff.c
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+++ b/libgcc/crtstuff.c
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@@ -47,6 +47,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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/* Target machine header files require this define. */
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#define IN_LIBGCC2
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+#define USED_FOR_TARGET
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/* FIXME: Including auto-host is incorrect, but until we have
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identified the set of defines that need to go into auto-target.h,
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