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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/x86/include/asm/ia32.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/include/asm/ia32.h')
-rw-r--r--arch/x86/include/asm/ia32.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/x86/include/asm/ia32.h b/arch/x86/include/asm/ia32.h
new file mode 100644
index 000000000..2c5f7861d
--- /dev/null
+++ b/arch/x86/include/asm/ia32.h
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_IA32_H
+#define _ASM_X86_IA32_H
+
+
+#ifdef CONFIG_IA32_EMULATION
+
+#include <linux/compat.h>
+
+/*
+ * 32 bit structures for IA32 support.
+ */
+
+#include <uapi/asm/sigcontext.h>
+
+/* signal.h */
+
+struct ucontext_ia32 {
+ unsigned int uc_flags;
+ unsigned int uc_link;
+ compat_stack_t uc_stack;
+ struct sigcontext_32 uc_mcontext;
+ compat_sigset_t uc_sigmask; /* mask last for extensibility */
+};
+
+/* This matches struct stat64 in glibc2.2, hence the absolutely
+ * insane amounts of padding around dev_t's.
+ */
+struct stat64 {
+ unsigned long long st_dev;
+ unsigned char __pad0[4];
+
+#define STAT64_HAS_BROKEN_ST_INO 1
+ unsigned int __st_ino;
+
+ unsigned int st_mode;
+ unsigned int st_nlink;
+
+ unsigned int st_uid;
+ unsigned int st_gid;
+
+ unsigned long long st_rdev;
+ unsigned char __pad3[4];
+
+ long long st_size;
+ unsigned int st_blksize;
+
+ long long st_blocks;/* Number 512-byte blocks allocated */
+
+ unsigned st_atime;
+ unsigned st_atime_nsec;
+ unsigned st_mtime;
+ unsigned st_mtime_nsec;
+ unsigned st_ctime;
+ unsigned st_ctime_nsec;
+
+ unsigned long long st_ino;
+} __attribute__((packed));
+
+#define IA32_STACK_TOP IA32_PAGE_OFFSET
+
+#ifdef __KERNEL__
+struct linux_binprm;
+extern int ia32_setup_arg_pages(struct linux_binprm *bprm,
+ unsigned long stack_top, int exec_stack);
+struct mm_struct;
+extern void ia32_pick_mmap_layout(struct mm_struct *mm);
+
+#endif
+
+#endif /* !CONFIG_IA32_SUPPORT */
+
+#endif /* _ASM_X86_IA32_H */