[glibc] i686: Remove _dl_skip_args usage

[glibc] i686: Remove _dl_skip_args usage

[Adhemerval Zanella]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1b7f05d11e75594c06f0a8d193c80c7f74857d5f

commit 1b7f05d11e75594c06f0a8d193c80c7f74857d5f
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Thu May 26 13:07:00 2022 -0300

    i686: Remove _dl_skip_args usage
    
    Since ad43cac44a the generic code already shuffles the argv/envp/auxv
    on the stack to remove the ld.so own arguments and thus _dl_skip_args
    is always 0.  So there is no need to adjust the argc or argv.
    
    Checked on i686-linux-gnu.
    
    Reviewed-by: H.J. Lu <hjl.tools@gmail.com>

Diff:
---
 sysdeps/i386/dl-machine.h | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h
index 1f8d734215..8779983c8c 100644
--- a/sysdeps/i386/dl-machine.h
+++ b/sysdeps/i386/dl-machine.h
@@ -143,17 +143,8 @@ _dl_start_user:\n\
 	# Point %ebx at the GOT.\n\
 	call 0b\n\
 	addl $_GLOBAL_OFFSET_TABLE_, %ebx\n\
-	# See if we were run as a command with the executable file\n\
-	# name as an extra leading argument.\n\
-	movl _dl_skip_args@GOTOFF(%ebx), %eax\n\
-	# Pop the original argument count.\n\
-	popl %edx\n\
-	# Adjust the stack pointer to skip _dl_skip_args words.\n\
-	leal (%esp,%eax,4), %esp\n\
-	# Subtract _dl_skip_args from argc.\n\
-	subl %eax, %edx\n\
-	# Push argc back on the stack.\n\
-	push %edx\n\
+	# Read the original argument count.\n\
+	movl (%esp), %edx\n\
 	# The special initializer gets called with the stack just\n\
 	# as the application's entry point will see it; it can\n\
 	# switch stacks if it moves these contents over.\n\