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authorAndreas Jaeger <aj@suse.de>2000-05-24 16:16:53 +0000
committerAndreas Jaeger <aj@suse.de>2000-05-24 16:16:53 +0000
commitfff82885d2cfbb0617f8536cbc0805cd64b748bf (patch)
treea56ec0dbbaf0fa36398aaa56f6fceeff2473b071 /sysdeps
parenta074fa3c2b7be9d90eef33cae0d9327e877a1d77 (diff)
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Update.
* sysdeps/mips/elf/start.S (ENTRY_POINT): Align stack for double words.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/mips/elf/start.S10
1 files changed, 7 insertions, 3 deletions
diff --git a/sysdeps/mips/elf/start.S b/sysdeps/mips/elf/start.S
index 7fee4e7..064fe7e 100644
--- a/sysdeps/mips/elf/start.S
+++ b/sysdeps/mips/elf/start.S
@@ -27,7 +27,7 @@
segment. The SVR4/Mips ABI (pages 3-31, 3-32) says that when the entry
point runs, most registers' values are unspecified, except for:
- v1 ($2) Contains a function pointer to be registered with `atexit'.
+ v0 ($2) Contains a function pointer to be registered with `atexit'.
This is how the dynamic linker arranges to have DT_FINI
functions called for shared libraries that have been loaded
before this code runs.
@@ -76,7 +76,9 @@ ENTRY_POINT:
dla $4, main /* main */
lw $5, 0($29) /* argc */
addu $6, $29, 4 /* argv */
- /* Allocate space on the stack for seven arguments but align to 32. */
+ /* Allocate space on the stack for seven arguments and make sure
+ the stack is aligned to double words (8 bytes). */
+ and $29, 0xfffffff8
subu $29, 32
dla $7, _init /* init */
dla $8, _fini
@@ -84,7 +86,9 @@ ENTRY_POINT:
la $4, main /* main */
lw $5, 0($29) /* argc */
addu $6, $29, 4 /* argv */
- /* Allocate space on the stack for seven arguments but align to 32. */
+ /* Allocate space on the stack for seven arguments and make sure
+ the stack is aligned to double words (8 bytes). */
+ and $29, 0xfffffff8
subu $29, 32
la $7, _init /* init */
la $8, _fini