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authorEric Andersen <andersen@codepoet.org>2004-05-14 10:51:16 +0000
committerEric Andersen <andersen@codepoet.org>2004-05-14 10:51:16 +0000
commitcd411309b5af27b1a02f324174d1caad98bc0927 (patch)
tree2cf40de9a708bc02d774f37b2e1f0c0400b72e97 /libc/sysdeps/linux/arm/crt0.S
parentb3322420c583e6f77750054aa27e6aab7f88a8c2 (diff)
__data_start needs to be added to all crt0.S files that don't currently
have it. It is used by the boehm gc, amoung other things.
Diffstat (limited to 'libc/sysdeps/linux/arm/crt0.S')
-rw-r--r--libc/sysdeps/linux/arm/crt0.S29
1 files changed, 19 insertions, 10 deletions
diff --git a/libc/sysdeps/linux/arm/crt0.S b/libc/sysdeps/linux/arm/crt0.S
index 84bc8cd74..6704a81e2 100644
--- a/libc/sysdeps/linux/arm/crt0.S
+++ b/libc/sysdeps/linux/arm/crt0.S
@@ -18,7 +18,7 @@
NULL
env[0...N] environment variables (pointers)
NULL
-
+
When we are done here, we want
a1=argc
a2=argv[0]
@@ -76,7 +76,7 @@ _start:
/* Copy argv pointer into r1 -- which its final resting place */
mov r1, sp
- /* Skip to the end of argv and put a pointer to whatever
+ /* Skip to the end of argv and put a pointer to whatever
we find there (hopefully the environment) in r2 */
add r2, r1, r0, lsl #2
add r2, r2, #4
@@ -114,16 +114,25 @@ _start:
*/
.section ".note.ABI-tag", "a"
.align 4
- .long 1f - 0f
- .long 3f - 2f
- .long 1
-0: .asciz "GNU"
-1: .align 4
-2: .long 0
- .long 2,0,0
-3: .align 4
+ .long 1f - 0f
+ .long 3f - 2f
+ .long 1
+0: .asciz "GNU"
+1: .align 4
+2: .long 0
+ .long 2,0,0
+3: .align 4
#if defined L_gcrt1 && defined __UCLIBC_PROFILING__
# include "./gmon-start.S"
#endif
+
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
+__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
+