1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
# DP: fix for shared libgcc
Index: gcc-h8300-hms-3.4.6/gcc/config.gcc
===================================================================
--- gcc-h8300-hms-3.4.6.orig/gcc/config.gcc 2011-06-08 23:53:26.000000000 +0200
+++ gcc-h8300-hms-3.4.6/gcc/config.gcc 2011-06-08 23:55:31.000000000 +0200
@@ -1325,7 +1325,7 @@
m32r-*-linux*)
tm_file="dbxelf.h elfos.h svr4.h linux.h ${tm_file} m32r/linux.h"
extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
- tmake_file="m32r/t-linux"
+ tmake_file="t-slibgcc-elf-ver m32r/t-linux"
gnu_ld=yes
use_fixproto=yes
if test x$enable_threads = xyes; then
@@ -1335,7 +1335,7 @@
m32rle-*-linux*)
tm_file="dbxelf.h elfos.h svr4.h linux.h m32r/little.h ${tm_file} m32r/linux.h"
extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
- tmake_file="m32r/t-linux"
+ tmake_file="t-slibgcc-elf-ver m32r/t-linux"
gnu_ld=yes
use_fixproto=yes
if test x$enable_threads = xyes; then
Index: gcc-h8300-hms-3.4.6/gcc/config/m32r/t-linux
===================================================================
--- gcc-h8300-hms-3.4.6.orig/gcc/config/m32r/t-linux 2003-12-31 11:33:02.000000000 +0100
+++ gcc-h8300-hms-3.4.6/gcc/config/m32r/t-linux 2011-06-08 23:55:32.000000000 +0200
@@ -23,7 +23,6 @@
# to produce a shared library, but since we don't know ahead of time when
# we will be doing that, we just always use -fpic when compiling the
# routines in initfini.c.
-# -fpic currently isn't supported for the m32r.
CRTSTUFF_T_CFLAGS_S = -fPIC
@@ -40,3 +39,12 @@
CROSS_LIBGCC1 =
LIBGCC1_TEST =
+# Override t-slibgcc-elf-ver to export some libgcc symbols with
+# the symbol versions that glibc used.
+SHLIB_MAPFILES += $(srcdir)/libgcc-std.ver \
+ $(srcdir)/config/m32r/libgcc-glibc.ver
+
+# Use unwind-dw2-fde-glibc
+LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde-glibc.c \
+ $(srcdir)/unwind-sjlj.c $(srcdir)/gthr-gnat.c $(srcdir)/unwind-c.c
+LIB2ADDEHDEP = unwind.inc unwind-dw2-fde.h unwind-dw2-fde.c gthr-gnat.c
Index: gcc-h8300-hms-3.4.6/gcc/config/m32r/libgcc-glibc.ver
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gcc-h8300-hms-3.4.6/gcc/config/m32r/libgcc-glibc.ver 2011-06-08 23:54:56.000000000 +0200
@@ -0,0 +1,21 @@
+# In order to work around the very problems that force us to now generally
+# create a libgcc.so, glibc reexported a number of routines from libgcc.a.
+# By now choosing the same version tags for these specific routines, we
+# maintain enough binary compatibility to allow future versions of glibc
+# to defer implementation of these routines to libgcc.so via DT_AUXILIARY.
+
+# Note that we cannot use the default libgcc-glibc.ver file on m32r,
+# because GLIBC_2.0 does not exist on this architecture, as the first
+# ever glibc release on the platform was GLIBC_2.3.
+
+%inherit GCC_3.0 GLIBC_2.3
+GLIBC_2.3 {
+ __register_frame
+ __register_frame_table
+ __deregister_frame
+ __register_frame_info
+ __deregister_frame_info
+ __frame_state_for
+ __register_frame_info_table
+}
+
|
