From 917b9eebbc6dd580e2fa5a4e2b18ea609655b19e Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Fri, 13 Dec 2013 14:49:25 +0530 Subject: ARC port to uClibc For this port, I would like to give due credit to: - Folks from Codito technologies (Sameer, Amit, Kanika, Ramana,...) who did the very first port - ARC UK from 2007-2009 (Joern, Irfan, Khurram, Phil... - Late Brendan Kehoe (may he RIP) Signed-off-by: Vineet Gupta Signed-off-by: Bernhard Reutner-Fischer --- libc/sysdeps/linux/arc/sys/cachectl.h | 21 +++++++ libc/sysdeps/linux/arc/sys/procfs.h | 108 ++++++++++++++++++++++++++++++++++ libc/sysdeps/linux/arc/sys/ucontext.h | 22 +++++++ libc/sysdeps/linux/arc/sys/user.h | 23 ++++++++ 4 files changed, 174 insertions(+) create mode 100644 libc/sysdeps/linux/arc/sys/cachectl.h create mode 100755 libc/sysdeps/linux/arc/sys/procfs.h create mode 100755 libc/sysdeps/linux/arc/sys/ucontext.h create mode 100755 libc/sysdeps/linux/arc/sys/user.h (limited to 'libc/sysdeps/linux/arc/sys') diff --git a/libc/sysdeps/linux/arc/sys/cachectl.h b/libc/sysdeps/linux/arc/sys/cachectl.h new file mode 100644 index 000000000..e9a783bdc --- /dev/null +++ b/libc/sysdeps/linux/arc/sys/cachectl.h @@ -0,0 +1,21 @@ +/* + * Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com) + * + * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball. + */ + +#ifndef _SYS_CACHECTL_H +#define _SYS_CACHECTL_H 1 + +/* + * Get the kernel definition for the flag bits + */ +#include + +__BEGIN_DECLS + +extern int cacheflush(void *addr, int nbytes, int flags); + +__END_DECLS + +#endif /* sys/cachectl.h */ diff --git a/libc/sysdeps/linux/arc/sys/procfs.h b/libc/sysdeps/linux/arc/sys/procfs.h new file mode 100755 index 000000000..44676e197 --- /dev/null +++ b/libc/sysdeps/linux/arc/sys/procfs.h @@ -0,0 +1,108 @@ +/* + * Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com) + * + * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball. + */ + +#ifndef _SYS_PROCFS_H +#define _SYS_PROCFS_H 1 + +/* This is somewhat modelled after the file of the same name on SVR4 + systems. It provides a definition of the core file format for ELF + used on Linux. It doesn't have anything to do with the /proc file + system, even though Linux has one. + + Anyway, the whole purpose of this file is for GDB and GDB only. + Don't read too much into it. Don't use it for anything other than + GDB unless you know what you are doing. */ + +#include +#include +#include +#include + +__BEGIN_DECLS + +/* Type for a general-purpose register. */ +typedef unsigned long elf_greg_t; + +/* And the whole bunch of them. We could have used `struct + user_regs' directly in the typedef, but tradition says that + the register set is an array, which does have some peculiar + semantics, so leave it that way. */ +#define ELF_NGREG 20 +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; + +/* Signal info. */ +struct elf_siginfo + { + int si_signo; /* Signal number. */ + int si_code; /* Extra code. */ + int si_errno; /* Errno. */ + }; + +/* Definitions to generate Intel SVR4-like core files. These mostly + have the same names as the SVR4 types with "elf_" tacked on the + front to prevent clashes with Linux definitions, and the typedef + forms have been avoided. This is mostly like the SVR4 structure, + but more Linuxy, with things that Linux does not support and which + GDB doesn't really use excluded. */ + +struct elf_prstatus + { + struct elf_siginfo pr_info; /* Info associated with signal. */ + short int pr_cursig; /* Current signal. */ + unsigned long int pr_sigpend; /* Set of pending signals. */ + unsigned long int pr_sighold; /* Set of held signals. */ + __pid_t pr_pid; + __pid_t pr_ppid; + __pid_t pr_pgrp; + __pid_t pr_sid; + struct timeval pr_utime; /* User time. */ + struct timeval pr_stime; /* System time. */ + struct timeval pr_cutime; /* Cumulative user time. */ + struct timeval pr_cstime; /* Cumulative system time. */ + elf_gregset_t pr_reg; /* GP registers. */ + int pr_fpvalid; /* True if math copro being used. */ + }; + + +#define ELF_PRARGSZ (80) /* Number of chars for args. */ + +struct elf_prpsinfo + { + char pr_state; /* Numeric process state. */ + char pr_sname; /* Char for pr_state. */ + char pr_zomb; /* Zombie. */ + char pr_nice; /* Nice val. */ + unsigned long int pr_flag; /* Flags. */ + unsigned short int pr_uid; + unsigned short int pr_gid; + int pr_pid, pr_ppid, pr_pgrp, pr_sid; + /* Lots missing */ + char pr_fname[16]; /* Filename of executable. */ + char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */ + }; + +/* The rest of this file provides the types for emulation of the + Solaris interfaces that should be implemented by + users of libthread_db. */ + +/* Addresses. */ +typedef void *psaddr_t; + +/* Register sets. Linux has different names. */ +typedef elf_gregset_t prgregset_t; +typedef elf_gregset_t prfpregset_t; + +/* We don't have any differences between processes and threads, + therefore have only one PID type. */ +typedef __pid_t lwpid_t; + +/* Process status and info. In the end we do provide typedefs for them. */ +typedef struct elf_prstatus prstatus_t; +typedef struct elf_prpsinfo prpsinfo_t; + +__END_DECLS + +#endif /* sys/procfs.h */ diff --git a/libc/sysdeps/linux/arc/sys/ucontext.h b/libc/sysdeps/linux/arc/sys/ucontext.h new file mode 100755 index 000000000..23d928562 --- /dev/null +++ b/libc/sysdeps/linux/arc/sys/ucontext.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com) + * + * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball. + */ + +#ifndef _SYS_UCONTEXT_H +#define _SYS_UCONTEXT_H 1 + +#include +#include +#include + +typedef struct ucontext { + unsigned long uc_flags; + struct ucontext *uc_link; + stack_t uc_stack; + struct sigcontext uc_mcontext; + sigset_t uc_sigmask; /* mask last for extensibility */ +} ucontext_t; + +#endif /* sys/ucontext.h */ diff --git a/libc/sysdeps/linux/arc/sys/user.h b/libc/sysdeps/linux/arc/sys/user.h new file mode 100755 index 000000000..e340074ce --- /dev/null +++ b/libc/sysdeps/linux/arc/sys/user.h @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com) + * + * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball. + */ + +#ifndef _SYS_USER_H +#define _SYS_USER_H 1 + +/* The whole purpose of this file is for GDB and GDB only. Don't read + too much into it. Don't use it for anything other than GDB unless + you know what you are doing. */ + + +/* Actually apps like strace also expect a struct user, so it's better to + * have a dummy implementation + */ + +struct user { + int dummy; +}; + +#endif /* sys/user.h */ -- cgit v1.2.3