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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/s390/include/asm/bug.h | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/s390/include/asm/bug.h')
| -rw-r--r-- | arch/s390/include/asm/bug.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h new file mode 100644 index 000000000..aebe1e22c --- /dev/null +++ b/arch/s390/include/asm/bug.h @@ -0,0 +1,71 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_S390_BUG_H +#define _ASM_S390_BUG_H + +#include <linux/compiler.h> + +#ifdef CONFIG_BUG + +#ifdef CONFIG_DEBUG_BUGVERBOSE + +#define __EMIT_BUG(x) do { \ + asm_inline volatile( \ + "0: mc 0,0\n" \ + ".section .rodata.str,\"aMS\",@progbits,1\n" \ + "1: .asciz \""__FILE__"\"\n" \ + ".previous\n" \ + ".section __bug_table,\"awM\",@progbits,%2\n" \ + "2: .long 0b-.\n" \ + " .long 1b-.\n" \ + " .short %0,%1\n" \ + " .org 2b+%2\n" \ + ".previous\n" \ + : : "i" (__LINE__), \ + "i" (x), \ + "i" (sizeof(struct bug_entry))); \ +} while (0) + +#else /* CONFIG_DEBUG_BUGVERBOSE */ + +#define __EMIT_BUG(x) do { \ + asm_inline volatile( \ + "0: mc 0,0\n" \ + ".section __bug_table,\"awM\",@progbits,%1\n" \ + "1: .long 0b-.\n" \ + " .short %0\n" \ + " .org 1b+%1\n" \ + ".previous\n" \ + : : "i" (x), \ + "i" (sizeof(struct bug_entry))); \ +} while (0) + +#endif /* CONFIG_DEBUG_BUGVERBOSE */ + +#define BUG() do { \ + __EMIT_BUG(0); \ + unreachable(); \ +} while (0) + +#define __WARN_FLAGS(flags) do { \ + __EMIT_BUG(BUGFLAG_WARNING|(flags)); \ +} while (0) + +#define WARN_ON(x) ({ \ + int __ret_warn_on = !!(x); \ + if (__builtin_constant_p(__ret_warn_on)) { \ + if (__ret_warn_on) \ + __WARN(); \ + } else { \ + if (unlikely(__ret_warn_on)) \ + __WARN(); \ + } \ + unlikely(__ret_warn_on); \ +}) + +#define HAVE_ARCH_BUG +#define HAVE_ARCH_WARN_ON +#endif /* CONFIG_BUG */ + +#include <asm-generic/bug.h> + +#endif /* _ASM_S390_BUG_H */ |