diff options
| author | Miguel <m.i@gmx.at> | 2018-09-13 02:14:46 +0200 |
|---|---|---|
| committer | Miguel <m.i@gmx.at> | 2018-09-13 02:14:46 +0200 |
| commit | 6a886cb2a4af303fae01b61a2e6590ca22bb4a3e (patch) | |
| tree | aff66570735d0869dcdf7b98ebd5aa595213c81d /newlib/crt0.s | |
| parent | b669230cae92f061bc36f25cd01dd84d276d226b (diff) | |
reentrenacy for newilb
Diffstat (limited to 'newlib/crt0.s')
| -rw-r--r-- | newlib/crt0.s | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/newlib/crt0.s b/newlib/crt0.s index e8f0405..ad9884f 100644 --- a/newlib/crt0.s +++ b/newlib/crt0.s @@ -2,10 +2,31 @@ _start: +# copy reent to this page +push %ebx +push %ecx + +mov _impure_ptr,%eax +mov $0xf5000000,%ebx +copy: +mov (%eax),%ecx +mov %ecx,(%ebx) +add $4, %ebx +add $4, %eax +cmp $0xf5001000,%ebx +jne copy + +pop %ecx +pop %ebx + # environment adress was passed on stack + +movl $0xf5000000, _impure_ptr + pop %eax mov %eax, environ + # call main (argc and argv are on the stack) call main |