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Provide envp to the main function.

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This commit is contained in:
Jonas 'Sortie' Termansen 2013-02-16 16:06:30 +01:00
parent b8f85d9ef2
commit d3b9bdb3ba
2 changed files with 3 additions and 0 deletions
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2
libc/x64/crt1.s
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@ -39,12 +39,14 @@ _start:
# Prepare signals, memory allocation, stdio and such. # Prepare signals, memory allocation, stdio and such.
pushq %rsi pushq %rsi
pushq %rdi pushq %rdi
pushq %rcx
call initialize_standard_library call initialize_standard_library
# Run the global constructors. # Run the global constructors.
call _init call _init
# Run main # Run main
popq %rdx # Note! envp is now %rdx (previously %rcx)
popq %rdi popq %rdi
popq %rsi popq %rsi
call main call main

1
libc/x86/crt1.s
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@ -37,6 +37,7 @@ _start:
movl %ecx, environ # envp movl %ecx, environ # envp
# Arguments for main # Arguments for main
push %ecx # envp
push %ebx # argv push %ebx # argv
push %eax # argc push %eax # argc