patch-2.4.0-test12 linux/include/asm-parisc/elf.h

• Lines: 98
• Date: Tue Dec 5 12:29:39 2000
• Orig file: v2.4.0-test11/linux/include/asm-parisc/elf.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test11/linux/include/asm-parisc/elf.h linux/include/asm-parisc/elf.h
@@ -0,0 +1,97 @@
+#ifndef __ASMPARISC_ELF_H
+#define __ASMPARISC_ELF_H
+
+/*
+ * ELF register definitions..
+ */
+
+#include <asm/ptrace.h>
+
+#define EM_PARISC 15
+
+#define ELF_NGREG 32
+#define ELF_NFPREG 32
+
+typedef unsigned long elf_greg_t;
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef double elf_fpreg_t;
+typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+
+#define ELF_CORE_COPY_REGS(gregs, regs) \
+	memcpy(gregs, regs, \
+	       sizeof(struct pt_regs) < sizeof(elf_gregset_t)? \
+	       sizeof(struct pt_regs): sizeof(elf_gregset_t));
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ *
+ * Note that this header file is used by default in fs/binfmt_elf.c. So
+ * the following macros are for the default case. However, for the 64
+ * bit kernel we also support 32 bit parisc binaries. To do that
+ * arch/parisc64/kernel/binfmt_elf32.c defines its own set of these
+ * macros, and then if includes fs/binfmt_elf.c to provide an alternate
+ * elf binary handler for 32 bit binaries (on the 64 bit kernel).
+ */
+
+#ifdef __LP64__
+#define ELF_CLASS       ELFCLASS64
+#else
+#define ELF_CLASS	ELFCLASS32
+#endif
+
+#define elf_check_arch(x) ((x)->e_machine == EM_PARISC && (x)->e_ident[EI_CLASS] == ELF_CLASS)
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_DATA	ELFDATA2MSB
+#define ELF_ARCH	EM_PARISC
+
+/* %r23 is set by ld.so to a pointer to a function which might be 
+   registered using atexit.  This provides a mean for the dynamic
+   linker to call DT_FINI functions for shared libraries that have
+   been loaded before the code runs.
+
+   So that we can use the same startup file with static executables,
+   we start programs with a value of 0 to indicate that there is no
+   such function.  */
+#define ELF_PLAT_INIT(_r)       _r->gr[23] = 0
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE	4096
+
+/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
+   use of this is to invoke "./ld.so someprog" to test out a new version of
+   the loader.  We need to make sure that it is out of the way of the program
+   that it will "exec", and that there is sufficient room for the brk.
+
+   (2 * TASK_SIZE / 3) turns into something undefined when run through a
+   32 bit preprocessor and in some cases results in the kernel trying to map
+   ld.so to the kernel virtual base. Use a sane value instead. /Jes 
+  */
+
+#define ELF_ET_DYN_BASE         (TASK_UNMAPPED_BASE + 0x01000000)
+
+/* This yields a mask that user programs can use to figure out what
+   instruction set this CPU supports.  This could be done in user space,
+   but it's not easy, and we've already done it here.  */
+
+#define ELF_HWCAP	0
+/* (boot_cpu_data.x86_capability) */
+
+/* This yields a string that ld.so will use to load implementation
+   specific libraries for optimization.  This is more specific in
+   intent than poking at uname or /proc/cpuinfo.
+
+   For the moment, we have only optimizations for the Intel generations,
+   but that could change... */
+
+#define ELF_PLATFORM  ("PARISC\0" /*+((boot_cpu_data.x86-3)*5) */)
+
+#ifdef __KERNEL__
+#define SET_PERSONALITY(ex, ibcs2) \
+	current->personality = PER_LINUX
+#endif
+
+#endif