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crosstool-ng/packages/gcc/10.2.0/0012-crystax.patch
Hans-Christian Noren Egtvedt 45a01960fc Add support for GCC 10.2.0 
Forward ported patches from GCC 9.x, refreshed to match current sources.

Patch 0010-crystax.patch did not apply clean and had minor adjustments
to fit new GCC 10.2.0 release.

Signed-off-by: Hans-Christian Noren Egtvedt <hegtvedt@cisco.com>
2020-08-27 11:35:59 +02:00

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commit 44a81ebb7698dac41ffa7acd5e0cc1578e5ab1fd
Author: H.J. Lu <hongjiu.lu@intel.com>
Date: Mon Apr 14 15:59:47 2014 -0700
[android] Always enable --eh-frame-hdr for static executable
See 5e6cdf76af295c9a39b695ca228cff675e8ff4ae and
23e3137ee2897464b051599b85a09f130d3ad05d
Change-Id: Ibda473188e5a10f2a0592f2494ad00ad1f91e04b
Signed-off-by: Dmitry Moskalchuk <dm@crystax.net>
---
gcc/config.in | 6 +++++
gcc/config/alpha/elf.h | 4 +++
gcc/config/freebsd.h | 4 +++
gcc/config/gnu-user.h | 4 +++
gcc/config/openbsd.h | 4 +++
gcc/config/rs6000/sysv4.h | 6 ++++-
gcc/config/sol2.h | 4 +++
gcc/configure | 36 +++++++++++++++++++++++++++++++++
gcc/configure.ac | 29 ++++++++++++++++++++++++++
gcc/testsuite/g++.dg/eh/spec3-static.C | 25 ++++++++++++++++++++++
libgcc/crtstuff.c | 11 ++++++----
11 files changed, 128 insertions(+), 5 deletions(-)
--- a/gcc/config.in
+++ b/gcc/config.in
@@ -2266,6 +2266,12 @@
#endif
+/* Define if your system supports PT_GNU_EH_FRAME for static executable. */
+#ifndef USED_FOR_TARGET
+#undef USE_EH_FRAME_HDR_FOR_STATIC
+#endif
+
+
/* Define to 1 if the 'long long' type is wider than 'long' but still
efficiently supported by the host hardware. */
#ifndef USED_FOR_TARGET
--- a/gcc/config/alpha/elf.h
+++ b/gcc/config/alpha/elf.h
@@ -142,5 +142,9 @@ extern int alpha_this_gpdisp_sequence_nu
I imagine that other systems will catch up. In the meantime, it
doesn't harm to make sure that the data exists to be used later. */
#if defined(HAVE_LD_EH_FRAME_HDR)
+#ifdef USE_EH_FRAME_HDR_FOR_STATIC
+#define LINK_EH_SPEC "--eh-frame-hdr "
+#else
#define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
#endif
+#endif
--- a/gcc/config/freebsd.h
+++ b/gcc/config/freebsd.h
@@ -45,8 +45,12 @@ along with GCC; see the file COPYING3.
#define LIB_SPEC FBSD_LIB_SPEC
#if defined(HAVE_LD_EH_FRAME_HDR)
+#ifdef USE_EH_FRAME_HDR_FOR_STATIC
+#define LINK_EH_SPEC "--eh-frame-hdr "
+#else
#define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
#endif
+#endif
#ifdef TARGET_LIBC_PROVIDES_SSP
#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \
--- a/gcc/config/gnu-user.h
+++ b/gcc/config/gnu-user.h
@@ -106,8 +106,12 @@ see the files COPYING3 and COPYING.RUNTI
#define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
#if defined(HAVE_LD_EH_FRAME_HDR)
+#ifdef USE_EH_FRAME_HDR_FOR_STATIC
+#define LINK_EH_SPEC "--eh-frame-hdr "
+#else
#define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
#endif
+#endif
#define GNU_USER_TARGET_LINK_GCC_C_SEQUENCE_SPEC \
"%{static|static-pie:--start-group} %G %{!nolibc:%L} \
--- a/gcc/config/openbsd.h
+++ b/gcc/config/openbsd.h
@@ -136,8 +136,12 @@ while (0)
#define LIB_SPEC OBSD_LIB_SPEC
#if defined(HAVE_LD_EH_FRAME_HDR)
+#ifdef USE_EH_FRAME_HDR_FOR_STATIC
+#define LINK_EH_SPEC "--eh-frame-hdr "
+#else
#define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
#endif
+#endif
#undef LIB_SPEC
#define LIB_SPEC OBSD_LIB_SPEC
--- a/gcc/config/sol2.h
+++ b/gcc/config/sol2.h
@@ -434,7 +434,11 @@ along with GCC; see the file COPYING3.
/* Solaris 11 build 135+ implements dl_iterate_phdr. GNU ld needs
--eh-frame-hdr to create the required .eh_frame_hdr sections. */
#if defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR)
+#ifdef USE_EH_FRAME_HDR_FOR_STATIC
+#define LINK_EH_SPEC "--eh-frame-hdr "
+#else
#define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
+#endif
#endif /* HAVE_LD_EH_FRAME && TARGET_DL_ITERATE_PHDR */
#endif
--- a/gcc/configure
+++ b/gcc/configure
@@ -1000,6 +1000,7 @@ enable_fix_cortex_a53_835769
enable_fix_cortex_a53_843419
with_glibc_version
enable_gnu_unique_object
+enable_eh_frame_hdr_for_static
enable_linker_build_id
enable_libssp
enable_default_ssp
@@ -1754,6 +1755,9 @@ Optional Features:
--enable-gnu-unique-object
enable the use of the @gnu_unique_object ELF
extension on glibc systems
+ --enable-eh-frame-hdr-for-static
+ enable linker PT_GNU_EH_FRAME support for static
+ executable
--enable-linker-build-id
compiler will always pass --build-id to linker
--enable-libssp enable linking against libssp
@@ -28836,6 +28840,38 @@ if test x"$gcc_cv_ld_eh_frame_hdr" = xye
$as_echo "#define HAVE_LD_EH_FRAME_HDR 1" >>confdefs.h
+ # Check whether --enable-eh-frame-hdr-for-static was given.
+if test "${enable_eh_frame_hdr_for_static+set}" = set; then :
+ enableval=$enable_eh_frame_hdr_for_static; case $enable_eh_frame_hdr_for_static in
+ yes | no) ;;
+ *) as_fn_error "'$enable_eh_frame_hdr_for_static' is an invalid
+value for --enable-eh-frame-hdr-for-static.
+Valid choices are 'yes' and 'no'." "$LINENO" 5 ;;
+ esac
+else
+ # Only support for glibc 2.3.0 or higher with AT_PHDR/AT_PHNUM from
+# Linux kernel.
+ if test x$host = x$build -a x$host = x$target &&
+ ldd --version 2>&1 >/dev/null &&
+ glibcver=`ldd --version 2>/dev/null | sed 's/.* //;q'`; then
+ glibcmajor=`expr "$glibcver" : "\([0-9]*\)"`
+ glibcminor=`expr "$glibcver" : "[2-9]*\.\([0-9]*\)"`
+ glibcnum=`expr $glibcmajor \* 1000 + $glibcminor`
+ if test "$glibcnum" -ge 2003 ; then
+ auvx=`LD_SHOW_AUXV=1 ldd 2>/dev/null`
+ if echo "$auvx" | grep AT_PHDR > /dev/null &&
+ echo "$auvx" | grep AT_PHNUM > /dev/null; then
+ enable_eh_frame_hdr_for_static=yes
+ fi
+ fi
+ fi
+fi
+
+ if test x$enable_eh_frame_hdr_for_static = xyes; then
+
+$as_echo "#define USE_EH_FRAME_HDR_FOR_STATIC 1" >>confdefs.h
+
+ fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld_eh_frame_hdr" >&5
$as_echo "$gcc_cv_ld_eh_frame_hdr" >&6; }
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -5371,6 +5371,35 @@ GCC_TARGET_TEMPLATE([HAVE_LD_EH_FRAME_HD
if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
[Define if your linker supports .eh_frame_hdr.])
+ AC_ARG_ENABLE(eh-frame-hdr-for-static,
+ [AS_HELP_STRING([--enable-eh-frame-hdr-for-static],
+ [enable linker PT_GNU_EH_FRAME support for static executable])],
+ [case $enable_eh_frame_hdr_for_static in
+ yes | no) ;;
+ *) AC_MSG_ERROR(['$enable_eh_frame_hdr_for_static' is an invalid
+value for --enable-eh-frame-hdr-for-static.
+Valid choices are 'yes' and 'no'.]) ;;
+ esac],
+# Only support for glibc 2.3.0 or higher with AT_PHDR/AT_PHNUM from
+# Linux kernel.
+ [[if test x$host = x$build -a x$host = x$target &&
+ ldd --version 2>&1 >/dev/null &&
+ glibcver=`ldd --version 2>/dev/null | sed 's/.* //;q'`; then
+ glibcmajor=`expr "$glibcver" : "\([0-9]*\)"`
+ glibcminor=`expr "$glibcver" : "[2-9]*\.\([0-9]*\)"`
+ glibcnum=`expr $glibcmajor \* 1000 + $glibcminor`
+ if test "$glibcnum" -ge 2003 ; then
+ auvx=`LD_SHOW_AUXV=1 ldd 2>/dev/null`
+ if echo "$auvx" | grep AT_PHDR > /dev/null &&
+ echo "$auvx" | grep AT_PHNUM > /dev/null; then
+ enable_eh_frame_hdr_for_static=yes
+ fi
+ fi
+ fi]])
+ if test x$enable_eh_frame_hdr_for_static = xyes; then
+ AC_DEFINE(USE_EH_FRAME_HDR_FOR_STATIC, 1,
+[Define if your system supports PT_GNU_EH_FRAME for static executable.])
+ fi
fi
AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
--- /dev/null
+++ b/gcc/testsuite/g++.dg/eh/spec3-static.C
@@ -0,0 +1,25 @@
+// PR c++/4381
+// Test that exception-specs work properly for classes with virtual bases.
+
+// { dg-do run }
+// { dg-options "-static" }
+
+class Base {};
+
+struct A : virtual public Base
+{
+ A() {}
+};
+
+struct B {};
+
+void func() throw (B,A)
+{
+ throw A();
+}
+
+int main(void)
+{
+ try { func(); }
+ catch (A& a) { }
+}
--- a/libgcc/crtstuff.c
+++ b/libgcc/crtstuff.c
@@ -88,7 +88,8 @@ call_ ## FUNC (void) \
#if defined(OBJECT_FORMAT_ELF) \
&& !defined(OBJECT_FORMAT_FLAT) \
&& defined(HAVE_LD_EH_FRAME_HDR) \
- && !defined(inhibit_libc) && !defined(CRTSTUFFT_O) \
+ && !defined(inhibit_libc) \
+ && (defined(USE_EH_FRAME_HDR_FOR_STATIC) || !defined(CRTSTUFFT_O)) \
&& defined(BSD_DL_ITERATE_PHDR_AVAILABLE)
#include <link.h>
# define USE_PT_GNU_EH_FRAME
@@ -97,7 +98,8 @@ call_ ## FUNC (void) \
#if defined(OBJECT_FORMAT_ELF) \
&& !defined(OBJECT_FORMAT_FLAT) \
&& defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR) \
- && !defined(inhibit_libc) && !defined(CRTSTUFFT_O) \
+ && !defined(inhibit_libc) \
+ && (defined(USE_EH_FRAME_HDR_FOR_STATIC) || !defined(CRTSTUFFT_O)) \
&& defined(__sun__) && defined(__svr4__)
#include <link.h>
# define USE_PT_GNU_EH_FRAME
@@ -106,7 +108,8 @@ call_ ## FUNC (void) \
#if defined(OBJECT_FORMAT_ELF) \
&& !defined(OBJECT_FORMAT_FLAT) \
&& defined(HAVE_LD_EH_FRAME_HDR) \
- && !defined(inhibit_libc) && !defined(CRTSTUFFT_O) \
+ && !defined(inhibit_libc) \
+ && (defined(USE_EH_FRAME_HDR_FOR_STATIC) || !defined(CRTSTUFFT_O)) \
&& defined(__GLIBC__) && __GLIBC__ >= 2
#include <link.h>
/* uClibc pretends to be glibc 2.2 and DT_CONFIG is defined in its link.h.
@@ -121,7 +124,7 @@ call_ ## FUNC (void) \
#if defined(OBJECT_FORMAT_ELF) \
&& !defined(OBJECT_FORMAT_FLAT) \
&& defined(HAVE_LD_EH_FRAME_HDR) \
- && !defined(CRTSTUFFT_O) \
+ && (defined(USE_EH_FRAME_HDR_FOR_STATIC) || !defined(CRTSTUFFT_O)) \
&& defined(inhibit_libc) \
&& (defined(__GLIBC__) || defined(__gnu_linux__) || defined(__GNU__))
/* On systems using glibc, an inhibit_libc build of libgcc is only
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