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36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
/* Invoke the brk system call. Sparc version.
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Copyright (C) 2022-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<https://www.gnu.org/licenses/>. */
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#ifdef __arch64__
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# define SYSCALL_NUM "0x6d"
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#else
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# define SYSCALL_NUM "0x10"
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#endif
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static inline void *
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__brk_call (void *addr)
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{
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register long int g1 asm ("g1") = __NR_brk;
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register long int o0 asm ("o0") = (long int) addr;
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asm volatile ("ta " SYSCALL_NUM
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: "=r"(o0)
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: "r"(g1), "0"(o0)
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: "cc");
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return (void *) o0;
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}
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