[libunwind] Add patch to fix build on ARM

[Peter Robinson]

commit c2bd71a089abbdad8f7a1dd47c162bb021de2dc6
Author: Peter Robinson <pbrobinson at gmail.com>
Date:   Thu Feb 16 00:57:04 2012 +0000

    Add patch to fix build on ARM

 libunwind-arm-register-rename.patch |   59 +++++++++++++++++++++++++++++++++++
 libunwind.spec                      |    7 +++-
 2 files changed, 65 insertions(+), 1 deletions(-)
---
diff --git a/libunwind-arm-register-rename.patch b/libunwind-arm-register-rename.patch
new file mode 100644
index 0000000..9d7b91c
--- /dev/null
+++ b/libunwind-arm-register-rename.patch
@@ -0,0 +1,59 @@
+--- libunwind-1.0.1/src/arm/init.h.orig	2012-02-15 18:33:08.000000000 -0500
++++ libunwind-1.0.1/src/arm/init.h	2012-02-15 18:29:19.000000000 -0500
+@@ -29,26 +29,26 @@
+ {
+   int ret, i;
+ 
+-  c->dwarf.loc[R0] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R0);
+-  c->dwarf.loc[R1] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R1);
+-  c->dwarf.loc[R2] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R2);
+-  c->dwarf.loc[R3] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R3);
+-  c->dwarf.loc[R4] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R4);
+-  c->dwarf.loc[R5] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R5);
+-  c->dwarf.loc[R6] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R6);
+-  c->dwarf.loc[R7] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R7);
+-  c->dwarf.loc[R8] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R8);
+-  c->dwarf.loc[R9] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R9);
+-  c->dwarf.loc[R10] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R10);
+-  c->dwarf.loc[R11] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R11);
+-  c->dwarf.loc[R12] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R12);
+-  c->dwarf.loc[R13] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R13);
+-  c->dwarf.loc[R14] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R14);
+-  c->dwarf.loc[R15] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R15);
+-  for (i = R15 + 1; i < DWARF_NUM_PRESERVED_REGS; ++i)
++  c->dwarf.loc[REG_R0] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R0);
++  c->dwarf.loc[REG_R1] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R1);
++  c->dwarf.loc[REG_R2] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R2);
++  c->dwarf.loc[REG_R3] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R3);
++  c->dwarf.loc[REG_R4] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R4);
++  c->dwarf.loc[REG_R5] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R5);
++  c->dwarf.loc[REG_R6] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R6);
++  c->dwarf.loc[REG_R7] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R7);
++  c->dwarf.loc[REG_R8] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R8);
++  c->dwarf.loc[REG_R9] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R9);
++  c->dwarf.loc[REG_R10] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R10);
++  c->dwarf.loc[REG_R11] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R11);
++  c->dwarf.loc[REG_R12] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R12);
++  c->dwarf.loc[REG_R13] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R13);
++  c->dwarf.loc[REG_R14] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R14);
++  c->dwarf.loc[REG_R15] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R15);
++  for (i = REG_R15 + 1; i < DWARF_NUM_PRESERVED_REGS; ++i)
+     c->dwarf.loc[i] = DWARF_NULL_LOC;
+ 
+-  ret = dwarf_get (&c->dwarf, c->dwarf.loc[R15], &c->dwarf.ip);
++  ret = dwarf_get (&c->dwarf, c->dwarf.loc[REG_R15], &c->dwarf.ip);
+   if (ret < 0)
+     return ret;
+ 
+--- libunwind-1.0.1/src/arm/Gglobal.c.orig	2012-02-15 18:33:21.000000000 -0500
++++ libunwind-1.0.1/src/arm/Gglobal.c	2012-02-15 18:28:27.000000000 -0500
+@@ -37,7 +37,8 @@
+ 
+ HIDDEN uint8_t dwarf_to_unw_regnum_map[16] =
+   {
+-    R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15
++    REG_R0, REG_R1, REG_R2, REG_R3, REG_R4, REG_R5, REG_R6, REG_R7,
++    REG_R8, REG_R9, REG_R10, REG_R11, REG_R12, REG_R13, REG_R14, REG_R15
+   };
+ 
+ HIDDEN void
diff --git a/libunwind.spec b/libunwind.spec
index 5d3c4e9..a04a02e 100644
--- a/libunwind.spec
+++ b/libunwind.spec
@@ -4,13 +4,14 @@
 Summary: An unwinding library
 Name: libunwind
 Version: 1.0.1
-Release: 2%{?dist}
+Release: 3%{?dist}
 License: BSD
 Group: Development/Debuggers
 Source: http://download.savannah.gnu.org/releases/libunwind/libunwind-%{version}.tar.gz
 #Fedora specific patch
 Patch1: libunwind-disable-setjmp.patch
 Patch2: libunwind-install-ptrace.patch
+Patch3: libunwind-arm-register-rename.patch
 URL: http://savannah.nongnu.org/projects/libunwind
 ExclusiveArch: %{arm} hppa ia64 mips ppc ppc64 %{ix86} x86_64
 
@@ -36,6 +37,7 @@ libunwind.
 %setup -q
 %patch1 -p1
 %patch2 -p1
+%patch3 -p1 -b .arm
 
 %build
 aclocal
@@ -86,6 +88,9 @@ echo ====================TESTSUITE DISABLED=========================
 %{_includedir}/libunwind*.h
 
 %changelog
+* Wed Feb 15 2012 Peter Robinson <pbrobinson at fedoraproject.org> - 1.0.1-3
+- Add patch to fix build on ARM
+
 * Fri Jan 13 2012 Fedora Release Engineering <rel-eng at lists.fedoraproject.org> - 1.0.1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild