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Work around broken linux-user build on ppc

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This commit is contained in:
Mark McLoughlin 2009-06-29 14:01:31 +00:00
parent bc0345fd4c
commit 98d891d2c0
2 changed files with 109 additions and 1 deletions
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103
qemu-fix-broken-elf-coredump-build-on-ppc.patch Normal file
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@ -0,0 +1,103 @@
From 028b1596140ca9f0965808ed8cbd599659ded728 Mon Sep 17 00:00:00 2001
From: Mark McLoughlin <markmc@redhat.com>
Date: Mon, 29 Jun 2009 14:49:03 +0100
Subject: [PATCH] Fix broken ELF coredump build on ppc
kvm-87 build fails on ppc:
https://koji.fedoraproject.org/koji/getfile?taskID=1441042&name=build.log
gcc -I. -I.. -I/builddir/build/BUILD/qemu-kvm-devel-87/target-i386
-I/builddir/build/BUILD/qemu-kvm-devel-87 -MMD -MT elfload.o -MP
-DNEED_CPU_H -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
-D__user= -I/builddir/build/BUILD/qemu-kvm-devel-87/tcg
-I/builddir/build/BUILD/qemu-kvm-devel-87/tcg/ppc64
-I/builddir/build/BUILD/qemu-kvm-devel-87/fpu
-I/builddir/build/BUILD/qemu-kvm-devel-87/linux-user
-I/builddir/build/BUILD/qemu-kvm-devel-87/linux-user/i386 -O2 -g -pipe
-Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector
--param=ssp-buffer-size=4 -m64 -mminimal-toc -g -fno-strict-aliasing
-O2 -Wall -Wundef -Wendif-labels -Wwrite-strings -Wmissing-prototypes
-Wstrict-prototypes -Wredundant-decls -c -o elfload.o
/builddir/build/BUILD/qemu-kvm-devel-87/linux-user/elfload.c
/builddir/build/BUILD/qemu-kvm-devel-87/linux-user/elfload.c:214: error: conflicting types for 'elf_greg_t'
/usr/include/asm/elf.h:123: note: previous declaration of 'elf_greg_t' was here
/builddir/build/BUILD/qemu-kvm-devel-87/linux-user/elfload.c:220: error: conflicting types for 'elf_gregset_t'
/usr/include/asm/elf.h:124: note: previous declaration of 'elf_gregset_t' was here
In file included from /builddir/build/BUILD/qemu-kvm-devel-87/linux-user/elfload.c:697:
../elf.h:457:1: warning: "R_PPC_NUM" redefined
In file included from /usr/include/asm/sigcontext.h:13,
from /usr/include/bits/sigcontext.h:28,
from /usr/include/signal.h:339,
from /builddir/build/BUILD/qemu-kvm-devel-87/linux-user/qemu.h:4,
from /builddir/build/BUILD/qemu-kvm-devel-87/linux-user/elfload.c:16:
/usr/include/asm/elf.h:81:1: warning: this is the location of the previous definition
Code was introduced in kvm-87 by:
9edc5d7966 linux-user: added x86 and x86_64 support for ELF coredump
edf8e2af14 linux-user: implemented ELF coredump support for ARM target
It seems ppc kernel-headers is unusual in exposing elf_greg_t
definitions. Other arches seem to avoid doing that.
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
---
linux-user/elfload.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index d31cca7..1b3fbe4 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -134,6 +134,7 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
regs->rip = infop->entry;
}
+#ifdef FIX_BROKEN_PPC_BUILD
typedef target_ulong elf_greg_t;
typedef uint32_t target_uid_t;
typedef uint32_t target_gid_t;
@@ -179,6 +180,7 @@ static void elf_core_copy_regs(elf_gregset_t *regs, const CPUState *env)
(*regs)[25] = env->segs[R_FS].selector & 0xffff;
(*regs)[26] = env->segs[R_GS].selector & 0xffff;
}
+#endif /* FIX_BROKEN_PPC_BUILD */
#else
@@ -211,6 +213,7 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
regs->edx = 0;
}
+#ifdef FIX_BROKEN_PPC_BUILD
typedef target_ulong elf_greg_t;
typedef uint16_t target_uid_t;
typedef uint16_t target_gid_t;
@@ -249,6 +252,7 @@ static void elf_core_copy_regs(elf_gregset_t *regs, const CPUState *env)
#endif
#define USE_ELF_CORE_DUMP
+#endif /* FIX_BROKEN_PPC_BUILD */
#define ELF_EXEC_PAGESIZE 4096
#endif
@@ -286,6 +290,7 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
regs->ARM_r10 = infop->start_data;
}
+#ifdef FIX_BROKEN_PPC_BUILD
typedef uint32_t elf_greg_t;
typedef uint16_t target_uid_t;
typedef uint16_t target_gid_t;
@@ -318,6 +323,7 @@ static void elf_core_copy_regs(elf_gregset_t *regs, const CPUState *env)
}
#define USE_ELF_CORE_DUMP
+#endif /* FIX_BROKEN_PPC_BUILD */
#define ELF_EXEC_PAGESIZE 4096
enum
--
1.6.2.5

7
qemu.spec
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@ -19,9 +19,12 @@ Source2: kvm.modules
# Not upstream, why?
Patch01: qemu-bios-bigger-roms.patch
# Fixes ppc build, cherry-picked from upstream
# Fixes ppc-softmmu target build, cherry-picked from upstream
Patch02: qemu-fix-ppc-softmmu-kvm-disabled-build.patch
# Works around broken linux-user build on ppc
Patch03: qemu-fix-broken-elf-coredump-build-on-ppc.patch
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
BuildRequires: SDL-devel zlib-devel which texi2html gnutls-devel cyrus-sasl-devel
BuildRequires: rsync dev86 iasl
@ -204,6 +207,7 @@ such as kvmtrace and kvm_stat.
%patch01 -p1
%patch02 -p1
%patch03 -p1
%build
# systems like rhel build system does not have a recent enough linker so
@ -451,6 +455,7 @@ fi
- Update to kvm-87
- Drop upstreamed patches
- Cherry-pick new ppc build fix from upstream
- Work around broken linux-user build on ppc
- Re-enable preadv()/pwritev() since #497429 is long since fixed
* Fri Jun 5 2009 Mark McLoughlin <markmc@redhat.com> - 2:0.10.50-6.kvm86