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Fix _start not following the ABI.

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This commit is contained in:
Jonas 'Sortie' Termansen 2014-11-28 00:13:28 +01:00
parent 5c702ed44b
commit 690b5ada52
2 changed files with 16 additions and 7 deletions
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6
libc/x64/crt0.S
View file

@ -1,6 +1,6 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2014.
This file is part of the Sortix C Library.
@ -36,7 +36,8 @@ _start:
movq %rcx, environ # envp
# Prepare signals, memory allocation, stdio and such.
# Initialize the standard library.
subq $8, %rsp
pushq %rsi
pushq %rdi
pushq %rcx
@ -49,6 +50,7 @@ _start:
popq %rdx # Note! envp is now %rdx (previously %rcx)
popq %rdi
popq %rsi
addq $8, %rsp
call main
# Terminate the process with main's exit code.

17
libc/x86/crt0.S
View file

@ -1,6 +1,6 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2014.
This file is part of the Sortix C Library.
@ -37,12 +37,18 @@ _start:
movl %ecx, environ # envp
# Arguments for main
push %ecx # envp
push %ebx # argv
push %eax # argc
subl $12, %esp
push %ecx # envp (to main)
push %ebx # argv (to main)
push %eax # argc (to main)
subl $4, %esp
push %ecx # envp (to initialize_standard_library)
push %ebx # argv (to initialize_standard_library)
push %eax # argc (to initialize_standard_library)
# Prepare signals, memory allocation, stdio and such.
# Initialize the standard library.
call initialize_standard_library
addl $16, %esp
# Run the global constructors.
call _init
@ -51,6 +57,7 @@ _start:
call main
# Terminate the process with main's exit code.
subl $12, %esp
push %eax
call exit
.size _start, .-_start