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authorUlrich Drepper <drepper@redhat.com>2009-01-03 20:36:44 +0000
committerUlrich Drepper <drepper@redhat.com>2009-01-03 20:36:44 +0000
commitb2bcd249bf2ada6ad1212c91e4a152b5366b6fd8 (patch)
treeeb971dc35663c93ca43eab254dcc9432fc45e844 /sysdeps
parentcbd8aeb836c8061c23a5e00419e0fb25a34abee7 (diff)
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* sysdeps/unix/sysv/linux/i386/sysdep.h: Describe 6th argument
handling.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/i386/sysdep.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
index 89d5b12..77e6bad 100644
--- a/sysdeps/unix/sysv/linux/i386/sysdep.h
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -204,9 +204,11 @@
arg 3 %edx call-clobbered
arg 4 %esi call-saved
arg 5 %edi call-saved
+ arg 6 %ebp call-saved
The stack layout upon entering the function is:
+ 24(%esp) Arg# 6
20(%esp) Arg# 5
16(%esp) Arg# 4
12(%esp) Arg# 3
@@ -215,7 +217,7 @@
(%esp) Return address
(Of course a function with say 3 arguments does not have entries for
- arguments 4 and 5.)
+ arguments 4, 5, and 6.)
The following code tries hard to be optimal. A general assumption
(which is true according to the data books I have) is that