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import orc-0.4.28-3.el8

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CentOS Sources 2020-01-21 18:43:18 -05:00 committed by Stepan Oksanichenko
parent 6017fda87f
commit 46d0fac13a
2 changed files with 75 additions and 1 deletions
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66
SOURCES/0001-x86-add-endbr32-and-endbr64-instructions.patch Normal file
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@ -0,0 +1,66 @@
From eac51dc1b6eb89e00ed2294e39949ad056287d1e Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Fri, 19 Jul 2019 16:18:04 +0200
Subject: [PATCH] x86: add endbr32 and endbr64 instructions
Issue endbr instructions at the start of generated functions to
make IBT (indirect branch tracking) work.
Resolves #17
---
orc/orcx86.c | 4 ++++
orc/orcx86insn.c | 2 ++
orc/orcx86insn.h | 2 ++
3 files changed, 8 insertions(+)
diff --git a/orc/orcx86.c b/orc/orcx86.c
index 02e6b34..d4cc086 100644
--- a/orc/orcx86.c
+++ b/orc/orcx86.c
@@ -452,6 +452,9 @@ orc_x86_emit_prologue (OrcCompiler *compiler)
orc_compiler_append_code(compiler,"%s:\n", compiler->program->name);
if (compiler->is_64bit) {
int i;
+
+ orc_x86_emit_cpuinsn_none (compiler, ORC_X86_endbr64);
+
for(i=0;i<16;i++){
if (compiler->used_regs[ORC_GP_REG_BASE+i] &&
compiler->save_regs[ORC_GP_REG_BASE+i]) {
@@ -459,6 +462,7 @@ orc_x86_emit_prologue (OrcCompiler *compiler)
}
}
} else {
+ orc_x86_emit_cpuinsn_none (compiler, ORC_X86_endbr32);
orc_x86_emit_push (compiler, 4, X86_EBP);
if (compiler->use_frame_pointer) {
orc_x86_emit_mov_reg_reg (compiler, 4, X86_ESP, X86_EBP);
diff --git a/orc/orcx86insn.c b/orc/orcx86insn.c
index 9d93197..a9bdd9f 100644
--- a/orc/orcx86insn.c
+++ b/orc/orcx86insn.c
@@ -254,6 +254,8 @@ static const OrcSysOpcode orc_x86_opcodes[] = {
{ "pshufw", ORC_X86_INSN_TYPE_IMM8_MMXM_MMX, 0, 0x00, 0x0f70 },
{ "movq", ORC_X86_INSN_TYPE_MMXM_MMX, 0, 0x00, 0x0f6f },
{ "movq", ORC_X86_INSN_TYPE_MMXM_MMX_REV, 0, 0x00, 0x0f7f },
+ { "endbr32", ORC_X86_INSN_TYPE_NONE, 0, 0xf3, 0x0f1efb },
+ { "endbr64", ORC_X86_INSN_TYPE_NONE, 0, 0xf3, 0x0f1efa },
};
static void
diff --git a/orc/orcx86insn.h b/orc/orcx86insn.h
index d109c95..864e5d6 100644
--- a/orc/orcx86insn.h
+++ b/orc/orcx86insn.h
@@ -277,6 +277,8 @@ typedef enum {
ORC_X86_pshufw,
ORC_X86_movq_mmx_load,
ORC_X86_movq_mmx_store,
+ ORC_X86_endbr32,
+ ORC_X86_endbr64,
} OrcX86Opcode;
enum {
--
2.21.0

10
SPECS/orc.spec
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@ -1,6 +1,6 @@
Name: orc
Version: 0.4.28
Release: 2%{?dist}
Release: 3%{?dist}
Summary: The Oil Run-time Compiler
Group: System Environment/Libraries
@ -8,6 +8,9 @@ License: BSD
URL: http://cgit.freedesktop.org/gstreamer/orc/
Source0: http://gstreamer.freedesktop.org/src/orc/%{name}-%{version}.tar.xz
# upstream patches
Patch0: 0001-x86-add-endbr32-and-endbr64-instructions.patch
BuildRequires: gtk-doc, libtool
%description
@ -49,6 +52,7 @@ The Orc compiler, to produce optimized code.
%prep
%setup -q
%patch0 -p1
gtkdocize --copy
NOCONFIGURE=1 autoreconf -vif
@ -101,6 +105,10 @@ make check
%changelog
* Thu Sep 12 2019 Wim Taymans <wtaymans@redhat.com> 0.4.28-3
- x86: add endbr32 and endbr64 instructions
- Resolves: rhbz#1693292
* Thu Feb 08 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.28-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild