Merge commit 'v2.6.27-rc3' into x86/urgent

1 files changed, 116 insertions, 0 deletions

diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
new file mode 100644
index 00000000000..4ca75162748
--- /dev/null
+++ b/arch/arm/include/asm/elf.h
@@ -0,0 +1,116 @@
+#ifndef __ASMARM_ELF_H
+#define __ASMARM_ELF_H
+
+#include <asm/hwcap.h>
+
+#ifndef __ASSEMBLY__
+/*
+ * ELF register definitions..
+ */
+#include <asm/ptrace.h>
+#include <asm/user.h>
+
+typedef unsigned long elf_greg_t;
+typedef unsigned long elf_freg_t[3];
+
+#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef struct user_fp elf_fpregset_t;
+#endif
+
+#define EM_ARM	40
+#define EF_ARM_APCS26 0x08
+#define EF_ARM_SOFT_FLOAT 0x200
+#define EF_ARM_EABI_MASK 0xFF000000
+
+#define R_ARM_NONE	0
+#define R_ARM_PC24	1
+#define R_ARM_ABS32	2
+#define R_ARM_CALL	28
+#define R_ARM_JUMP24	29
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS	ELFCLASS32
+#ifdef __ARMEB__
+#define ELF_DATA	ELFDATA2MSB
+#else
+#define ELF_DATA	ELFDATA2LSB
+#endif
+#define ELF_ARCH	EM_ARM
+
+#ifndef __ASSEMBLY__
+/*
+ * 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 now we just provide a fairly general string that describes the
+ * processor family.  This could be made more specific later if someone
+ * implemented optimisations that require it.  26-bit CPUs give you
+ * "v1l" for ARM2 (no SWP) and "v2l" for anything else (ARM1 isn't
+ * supported).  32-bit CPUs give you "v3[lb]" for anything based on an
+ * ARM6 or ARM7 core and "armv4[lb]" for anything based on a StrongARM-1
+ * core.
+ */
+#define ELF_PLATFORM_SIZE 8
+#define ELF_PLATFORM	(elf_platform)
+
+extern char elf_platform[];
+#endif
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) ((x)->e_machine == EM_ARM && ELF_PROC_OK(x))
+
+/*
+ * 32-bit code is always OK.  Some cpus can do 26-bit, some can't.
+ */
+#define ELF_PROC_OK(x)	(ELF_THUMB_OK(x) && ELF_26BIT_OK(x))
+
+#define ELF_THUMB_OK(x) \
+	((elf_hwcap & HWCAP_THUMB && ((x)->e_entry & 1) == 1) || \
+	 ((x)->e_entry & 3) == 0)
+
+#define ELF_26BIT_OK(x) \
+	((elf_hwcap & HWCAP_26BIT && (x)->e_flags & EF_ARM_APCS26) || \
+	  ((x)->e_flags & EF_ARM_APCS26) == 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.  */
+
+#define ELF_ET_DYN_BASE	(2 * TASK_SIZE / 3)
+
+/* When the program starts, a1 contains a pointer to a function to be 
+   registered with atexit, as per the SVR4 ABI.  A value of 0 means we 
+   have no such handler.  */
+#define ELF_PLAT_INIT(_r, load_addr)	(_r)->ARM_r0 = 0
+
+/*
+ * Since the FPA coprocessor uses CP1 and CP2, and iWMMXt uses CP0
+ * and CP1, we only enable access to the iWMMXt coprocessor if the
+ * binary is EABI or softfloat (and thus, guaranteed not to use
+ * FPA instructions.)
+ */
+#define SET_PERSONALITY(ex, ibcs2)					\
+	do {								\
+		if ((ex).e_flags & EF_ARM_APCS26) {			\
+			set_personality(PER_LINUX);			\
+		} else {						\
+			set_personality(PER_LINUX_32BIT);		\
+			if (elf_hwcap & HWCAP_IWMMXT && (ex).e_flags & (EF_ARM_EABI_MASK | EF_ARM_SOFT_FLOAT)) \
+				set_thread_flag(TIF_USING_IWMMXT);	\
+			else						\
+				clear_thread_flag(TIF_USING_IWMMXT);	\
+		}							\
+	} while (0)
+
+#endif