patches/gcc/4.4.0/290-freebsd.patch
author Michael Hope <michael.hope@linaro.org>
Wed Oct 19 15:27:32 2011 +1300 (2011-10-19)
changeset 2739 f320e22f2cba
permissions -rw-r--r--
arch: add softfp support

Some architectures support a mixed hard/soft floating point, where
the compiler emits hardware floating point instructions, but passes
the operands in core (aka integer) registers.

For example, ARM supports this mode (to come in the next changeset).

Add support for softfp cross compilers to the GCC and GLIBC
configuration. Needed for Ubuntu and other distros that are softfp.

Signed-off-by: Michael Hope <michael.hope@linaro.org>
[yann.morin.1998@anciens.enib.fr: split the original patch]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
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diff -durN gcc-4.4.0.orig/gcc/config/freebsd-spec.h gcc-4.4.0/gcc/config/freebsd-spec.h
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--- gcc-4.4.0.orig/gcc/config/freebsd-spec.h	2009-05-27 21:38:47.000000000 +0200
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+++ gcc-4.4.0/gcc/config/freebsd-spec.h	2009-05-27 21:38:47.000000000 +0200
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@@ -86,9 +86,10 @@
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 #define FBSD_STARTFILE_SPEC \
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   "%{!shared: \
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      %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
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-		       %{!p:%{profile:gcrt1.o%s} \
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-			 %{!profile:crt1.o%s}}}} \
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-   crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
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+	%{!p:%{profile:gcrt1.o%s} \
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+	 %{!profile:crt1.o%s}}}} \
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+   crti.o%s \
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+   %{static:crtbeginT.o%s;shared:crtbeginS.o%s;:crtbegin.o%s}"
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 /* Provide a ENDFILE_SPEC appropriate for FreeBSD.  Here we tack on
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    the magical crtend.o file (see crtstuff.c) which provides part of 
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@@ -126,7 +127,8 @@
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     %{pg:  -lc_p}							\
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   }"
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 #else
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-#if FBSD_MAJOR < 5
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+#include <sys/param.h>
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+#if __FreeBSD_version < 500016
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 #define FBSD_LIB_SPEC "							\
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   %{!shared:								\
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     %{!pg:								\
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@@ -136,17 +138,34 @@
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       %{!pthread:-lc_p}							\
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       %{pthread:-lc_r_p}}						\
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   }"
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-#else
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+#elif __FreeBSD_version < 700022
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 #define FBSD_LIB_SPEC "							\
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   %{!shared:								\
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     %{!pg: %{pthread:-lpthread} -lc}					\
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     %{pg:  %{pthread:-lpthread_p} -lc_p}				\
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   }"
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+#else
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+#define FBSD_LIB_SPEC "							\
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+  %{!shared:								\
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+    %{!pg: %{pthread:-lpthread} -lc}					\
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+    %{pg:  %{pthread:-lpthread_p} -lc_p}}				\
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+  %{shared:								\
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+    %{pthread:-lpthread} -lc}						\
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+  "
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 #endif
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 #endif
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-#if FBSD_MAJOR < 6
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+#if FBSD_MAJOR < 5
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 #define FBSD_DYNAMIC_LINKER "/usr/libexec/ld-elf.so.1"
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 #else
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 #define FBSD_DYNAMIC_LINKER "/libexec/ld-elf.so.1"
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 #endif
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+
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+#if defined(HAVE_LD_EH_FRAME_HDR)
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+#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
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+#endif
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+
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+/* Use --as-needed -lgcc_s for eh support.  */
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+#ifdef HAVE_LD_AS_NEEDED
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+#define USE_LD_AS_NEEDED 1
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+#endif