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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
Retrieved with
$ wget 'http://sources.redhat.com/cgi-bin/cvsweb.cgi/libc/linuxthreads/sysdeps/unix/sysv/linux/alpha/vfork.S.diff?r1=1.5&r2=1.6&cvsroot=glibc'
$ wget 'http://sources.redhat.com/cgi-bin/cvsweb.cgi/libc/linuxthreads/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h.diff?r1=1.3&r2=1.4&cvsroot=glibc'
Might fix problem building with binutils-2.14.90.0.8/gcc-3.3.3 that was not
present with binutils-2.13.90.0.18/gcc-3.3.2:
../linuxthreads/sysdeps/unix/sysv/linux/alpha/vfork.S: Assembler messages:
../linuxthreads/sysdeps/unix/sysv/linux/alpha/vfork.S:63: Warning: .ent
directive without matching .end
../linuxthreads/sysdeps/unix/sysv/linux/alpha/vfork.S:63: Error: can't resolve
`0' {.text section} - `L0^A' {.text section}
make[2]: ***
[/home/dkegel/wk/crosstool-0.26-pre3/build/alpha-unknown-linux-gnu/gcc-3.3-20040112-glibc-2.3.2/build-glibc/posix/vfork.o]
Error 1
make[2]: Leaving directory
`/home/dkegel/wk/crosstool-0.26-pre3/build/alpha-unknown-linux-gnu/gcc-3.3-20040112-glibc-2.3.2/glibc-2.3.2/posix'
make[1]: *** [posix/subdir_lib] Error 2
make[1]: Leaving directory
`/home/dkegel/wk/crosstool-0.26-pre3/build/alpha-unknown-linux-gnu/gcc-3.3-20040112-glibc-2.3.2/glibc-2.3.2'
make: *** [all] Error 2
See also alpha_cfi2.patch
===================================================================
RCS file: /cvs/glibc/libc/linuxthreads/sysdeps/unix/sysv/linux/alpha/vfork.S,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -r1.5 -r1.6
--- libc/linuxthreads/sysdeps/unix/sysv/linux/alpha/vfork.S 2003/02/11 06:27:53 1.5
+++ libc/linuxthreads/sysdeps/unix/sysv/linux/alpha/vfork.S 2003/06/06 05:51:03 1.6
@@ -19,12 +19,13 @@
#include <sysdep-cancel.h>
- .globl __vfork
.align 4
- .ent __vfork,0
-__LABEL(__vfork)
+ .globl __vfork
+ .type __vfork, @function
+ .usepv __vfork, std
+ cfi_startproc
+__vfork:
ldgp gp, 0(pv)
- .prologue 1
PSEUDO_PROF
#ifdef SHARED
@@ -46,18 +47,24 @@
fork and vfork object files. */
$do_fork:
subq sp, 16, sp
+ cfi_adjust_cfa_offset(16)
stq ra, 0(sp)
+ cfi_offset(ra, -16)
jsr ra, HIDDEN_JUMPTARGET (__fork)
ldgp gp, 0(ra)
ldq ra, 0(sp)
addq sp, 16, sp
+ cfi_restore(ra)
+ cfi_adjust_cfa_offset(-16)
ret
$syscall_error:
SYSCALL_ERROR_HANDLER
#endif
-PSEUDO_END(__vfork)
+ cfi_endproc
+ .size __vfork, .-__vfork
+
libc_hidden_def (__vfork)
weak_alias (__vfork, vfork)
===================================================================
RCS file: /cvs/glibc/libc/linuxthreads/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- libc/linuxthreads/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h 2003/01/12 19:26:41 1.3
+++ libc/linuxthreads/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h 2003/06/06 05:51:03 1.4
@@ -40,10 +40,11 @@
# define PSEUDO(name, syscall_name, args) \
.globl name; \
.align 4; \
- .ent name, 0; \
+ .type name, @function; \
+ .usepv name, std; \
+ cfi_startproc; \
__LABEL(name) \
ldgp gp, 0(pv); \
- .prologue 1; \
PSEUDO_PROF; \
PSEUDO_PREPARE_ARGS \
SINGLE_THREAD_P(t0); \
@@ -55,7 +56,9 @@
.subsection 2; \
__LABEL($pseudo_cancel) \
subq sp, 64, sp; \
+ cfi_def_cfa_offset(64); \
stq ra, 0(sp); \
+ cfi_offset(ra, -64); \
SAVE_ARGS_##args; \
CENABLE; \
LOAD_ARGS_##args; \
@@ -67,19 +70,27 @@
ldq ra, 0(sp); \
ldq v0, 8(sp); \
addq sp, 64, sp; \
+ cfi_remember_state; \
+ cfi_restore(ra); \
+ cfi_def_cfa_offset(0); \
ret; \
+ cfi_restore_state; \
__LABEL($multi_error) \
CDISABLE; \
ldq ra, 0(sp); \
ldq v0, 8(sp); \
addq sp, 64, sp; \
+ cfi_restore(ra); \
+ cfi_def_cfa_offset(0); \
__LABEL($syscall_error) \
SYSCALL_ERROR_HANDLER; \
- END(name); \
.previous
# undef PSEUDO_END
-# define PSEUDO_END(sym)
+# define PSEUDO_END(sym) \
+ .subsection 2; \
+ cfi_endproc; \
+ .size sym, .-sym
# define SAVE_ARGS_0 /* Nothing. */
# define SAVE_ARGS_1 SAVE_ARGS_0; stq a0, 8(sp)
|