From 32770ed976a7b1f57c7c56edcc27982df0160a89 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Thu, 18 Aug 2022 08:01:14 -0600
Subject: [PATCH] Improvements to x86 assembly in redox-exec
---
src/platform/redox/redox-exec/src/arch/x86.rs | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/src/platform/redox/redox-exec/src/arch/x86.rs b/src/platform/redox/redox-exec/src/arch/x86.rs
index 0df0f900..8f664ef9 100644
--- a/src/platform/redox/redox-exec/src/arch/x86.rs
+++ b/src/platform/redox/redox-exec/src/arch/x86.rs
@@ -64,10 +64,9 @@ __relibc_internal_fork_wrapper:
//TODO stmxcsr [esp+16]
fnstcw [esp+24]
- mov edi, esp
- push edi
+ push esp
call __relibc_internal_fork_impl
- pop edi
+ pop esp
jmp 2f
.size __relibc_internal_fork_wrapper, . - __relibc_internal_fork_wrapper
@@ -76,13 +75,8 @@ __relibc_internal_fork_wrapper:
.globl __relibc_internal_fork_ret
.type __relibc_internal_fork_ret, @function
__relibc_internal_fork_ret:
- mov edi, [esp]
- mov esi, [esp + 4]
- push esi
- push edi
+ // Arguments already on the stack
call __relibc_internal_fork_hook
- pop edi
- pop esi
//TODO ldmxcsr [esp+16]
fldcw [esp+24]
--
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