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- #include <features.h>
- #define _ERRNO_H
- #include <bits/errno.h>
- #include <sys/syscall.h>
- #ifdef __PIC__
- .section .bss
- .align 3
- .globl __curbrk
- .hidden __curbrk
- __curbrk: .skip 8
- .type __curbrk,@object
- .size __curbrk,8
- #else
- .comm __curbrk, 8
- #endif
- .text
- .globl brk;
- .align 3;
- .ent brk , 0;
- brk:
- .frame $30 , 8 , $26
- ldgp $29, 0($27)
- subq $30, 8, $30
- .prologue 1
-
- stq $16, 0($30)
- ldiq $0, __NR_brk
- call_pal 131
- ldq $16, 0($30)
-
- bne $19, $err1
- beq $0, $ok
-
- cmoveq $16, $0, $16
- xor $16, $0, $1
- bne $1, $err0
-
- mov $31, $0
- $ok: stq $16, __curbrk
- addq $30, 8, $30
- ret
-
- $err0: ldi $0, ENOMEM
- $err1: addq $30, 8, $30
- jmp $31, __syscall_error
- .end brk
- libc_hidden_def(brk)
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