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author | Gwenolé Beauchesne <gbeauchesne@mandriva.org> | 2003-06-04 18:44:09 +0000 |
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committer | Gwenolé Beauchesne <gbeauchesne@mandriva.org> | 2003-06-04 18:44:09 +0000 |
commit | 4cd6a4a5d7e49d54d53dcf4a6f3393d50bd88e8b (patch) | |
tree | acd4001a266a8713495af7f1b2102b61e67113b0 /mdk-stage1/dietlibc/i386/getenv.S | |
parent | 71b111ec6c4671667a19c6fbe0023d33422535d7 (diff) | |
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Import dietlibc 0.22 + other fixes for AMD64
Diffstat (limited to 'mdk-stage1/dietlibc/i386/getenv.S')
-rw-r--r-- | mdk-stage1/dietlibc/i386/getenv.S | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/i386/getenv.S b/mdk-stage1/dietlibc/i386/getenv.S new file mode 100644 index 000000000..dafbf37ee --- /dev/null +++ b/mdk-stage1/dietlibc/i386/getenv.S @@ -0,0 +1,48 @@ +#include "PIC.h" + +.text +.global getenv +.type getenv,@function +getenv: + pushl %esi + pushl %edi + movl 0xc(%esp), %edi + cld + movl %edi, %edx + xorl %eax, %eax + leal -1(%eax), %ecx + repnz scasb + not %ecx + dec %ecx + pushl %ecx + movl (%edx), %ecx + + GET_1VAR environ, %esi # non-PIC: movl environ, %esi + jmp .Lloop + +.Lprepare: + movl (%edx), %ecx + movl %eax, %esi +.Lloop: + lodsl + or %eax, %eax + jz .Lout + cmpb %cl, (%eax) + jnz .Lloop + + movl %edx, %edi + xchg %esi, %eax + movl (%esp), %ecx + repz cmpsb + jne .Lprepare + or %ecx, %ecx + jnz .Lprepare + cmpb $'=', (%esi) + jne .Lprepare + leal 0x1(%esi), %eax +.Lout: + popl %ecx + popl %edi + popl %esi + ret +.size getenv, . - getenv |