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From 8f4d4cb4e4e73d0533aa2cb421c14210c75f6edc Mon Sep 17 00:00:00 2001
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From: Mark McLoughlin <markmc@redhat.com>
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Date: Mon, 29 Jun 2009 14:49:03 +0100
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Subject: [PATCH] Fix linux-user build on ppc
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kvm-87 build fails on ppc:
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https://koji.fedoraproject.org/koji/getfile?taskID=1441042&name=build.log
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gcc -I. -I.. -I/builddir/build/BUILD/qemu-kvm-devel-87/target-i386
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-I/builddir/build/BUILD/qemu-kvm-devel-87 -MMD -MT elfload.o -MP
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-DNEED_CPU_H -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
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-D__user= -I/builddir/build/BUILD/qemu-kvm-devel-87/tcg
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-I/builddir/build/BUILD/qemu-kvm-devel-87/tcg/ppc64
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-I/builddir/build/BUILD/qemu-kvm-devel-87/fpu
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-I/builddir/build/BUILD/qemu-kvm-devel-87/linux-user
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-I/builddir/build/BUILD/qemu-kvm-devel-87/linux-user/i386 -O2 -g -pipe
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-Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector
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--param=ssp-buffer-size=4 -m64 -mminimal-toc -g -fno-strict-aliasing
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-O2 -Wall -Wundef -Wendif-labels -Wwrite-strings -Wmissing-prototypes
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-Wstrict-prototypes -Wredundant-decls -c -o elfload.o
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/builddir/build/BUILD/qemu-kvm-devel-87/linux-user/elfload.c
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/builddir/build/BUILD/qemu-kvm-devel-87/linux-user/elfload.c:214: error: conflicting types for 'elf_greg_t'
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/usr/include/asm/elf.h:123: note: previous declaration of 'elf_greg_t' was here
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/builddir/build/BUILD/qemu-kvm-devel-87/linux-user/elfload.c:220: error: conflicting types for 'elf_gregset_t'
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/usr/include/asm/elf.h:124: note: previous declaration of 'elf_gregset_t' was here
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In file included from /builddir/build/BUILD/qemu-kvm-devel-87/linux-user/elfload.c:697:
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../elf.h:457:1: warning: "R_PPC_NUM" redefined
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In file included from /usr/include/asm/sigcontext.h:13,
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from /usr/include/bits/sigcontext.h:28,
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from /usr/include/signal.h:339,
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from /builddir/build/BUILD/qemu-kvm-devel-87/linux-user/qemu.h:4,
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from /builddir/build/BUILD/qemu-kvm-devel-87/linux-user/elfload.c:16:
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/usr/include/asm/elf.h:81:1: warning: this is the location of the previous definition
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Problem seems to be that signal.h is pulling in a bunch of ppc
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headers which expose elf_greg_t, R_PPC_* and PPC_FEATURE_*.
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Signed-off-by: Mark McLoughlin <markmc@redhat.com>
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Fedora-patch: qemu-fix-linux-user-build-on-ppc.patch
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---
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elf.h | 2 ++
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linux-user/elfload.c | 10 ++++++++++
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2 files changed, 12 insertions(+), 0 deletions(-)
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diff --git a/elf.h b/elf.h
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index b042002..14f8aa1 100644
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--- a/elf.h
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+++ b/elf.h
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@@ -454,7 +454,9 @@ typedef struct {
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#define R_PPC_SECTOFF_HI 35
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#define R_PPC_SECTOFF_HA 36
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/* Keep this the last entry. */
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+#ifndef R_PPC_NUM
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#define R_PPC_NUM 37
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+#endif /* R_PPC_NUM */
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/* ARM specific declarations */
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diff --git a/linux-user/elfload.c b/linux-user/elfload.c
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index 3a8268b..d283f73 100644
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--- a/linux-user/elfload.c
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+++ b/linux-user/elfload.c
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@@ -134,6 +134,7 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
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regs->rip = infop->entry;
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}
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+#ifdef FIX_BROKEN_PPC_BUILD
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typedef target_ulong elf_greg_t;
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typedef uint32_t target_uid_t;
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typedef uint32_t target_gid_t;
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@@ -179,6 +180,7 @@ static void elf_core_copy_regs(elf_gregset_t *regs, const CPUState *env)
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(*regs)[25] = env->segs[R_FS].selector & 0xffff;
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(*regs)[26] = env->segs[R_GS].selector & 0xffff;
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}
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+#endif /* FIX_BROKEN_PPC_BUILD */
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#else
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@@ -211,6 +213,7 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
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regs->edx = 0;
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}
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+#ifdef FIX_BROKEN_PPC_BUILD
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typedef target_ulong elf_greg_t;
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typedef uint16_t target_uid_t;
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typedef uint16_t target_gid_t;
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@@ -246,9 +249,12 @@ static void elf_core_copy_regs(elf_gregset_t *regs, const CPUState *env)
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(*regs)[15] = env->regs[R_ESP];
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(*regs)[16] = env->segs[R_SS].selector & 0xffff;
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}
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+#endif /* FIX_BROKEN_PPC_BUILD */
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#endif
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+#ifdef FIX_BROKEN_PPC_BUILD
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#define USE_ELF_CORE_DUMP
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+#endif /* FIX_BROKEN_PPC_BUILD */
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#define ELF_EXEC_PAGESIZE 4096
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#endif
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@@ -286,6 +292,7 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
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regs->ARM_r10 = infop->start_data;
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}
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+#ifdef FIX_BROKEN_PPC_BUILD
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typedef uint32_t elf_greg_t;
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typedef uint16_t target_uid_t;
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typedef uint16_t target_gid_t;
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@@ -318,6 +325,7 @@ static void elf_core_copy_regs(elf_gregset_t *regs, const CPUState *env)
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}
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#define USE_ELF_CORE_DUMP
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+#endif /* FIX_BROKEN_PPC_BUILD */
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#define ELF_EXEC_PAGESIZE 4096
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enum
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@@ -421,6 +429,7 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
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/* Feature masks for the Aux Vector Hardware Capabilities (AT_HWCAP).
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See arch/powerpc/include/asm/cputable.h. */
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+#ifndef PPC_FEATURE_32
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enum {
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PPC_FEATURE_32 = 0x80000000,
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PPC_FEATURE_64 = 0x40000000,
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@@ -452,6 +461,7 @@ enum {
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PPC_FEATURE_TRUE_LE = 0x00000002,
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PPC_FEATURE_PPC_LE = 0x00000001,
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};
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+#endif /* !defined(PPC_FEATURE_32) */
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#define ELF_HWCAP get_elf_hwcap()
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--
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1.6.2.5
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