typedef unsigned int elf_greg_t32;
typedef elf_greg_t32 elf_gregset_t32[ELF_NGREG];
+typedef elf_gregset_t32 compat_elf_gregset_t;
/*
* ELF_ARCH, CLASS, and DATA are used to set parameters in the core dumps.
#ifdef __powerpc64__
# define ELF_NVRREG32 33 /* includes vscr & vrsave stuffed together */
# define ELF_NVRREG 34 /* includes vscr & vrsave in split vectors */
+# define ELF_NVSRHALFREG 32 /* Half the vsx registers */
# define ELF_GREG_TYPE elf_greg_t64
#else
# define ELF_NEVRREG 34 /* includes acc (as 2) */
typedef elf_vrreg_t elf_vrregset_t[ELF_NVRREG];
#ifdef __powerpc64__
typedef elf_vrreg_t elf_vrregset_t32[ELF_NVRREG32];
+typedef elf_fpreg_t elf_vsrreghalf_t32[ELF_NVSRHALFREG];
#endif
#ifdef __KERNEL__
* This is used to ensure we don't load something for the wrong architecture.
*/
#define elf_check_arch(x) ((x)->e_machine == ELF_ARCH)
+#define compat_elf_check_arch(x) ((x)->e_machine == EM_PPC)
#define USE_ELF_CORE_DUMP
+#define CORE_DUMP_USE_REGSET
#define ELF_EXEC_PAGESIZE PAGE_SIZE
/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
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 (0x08000000)
+#define ELF_ET_DYN_BASE (0x20000000)
-/* Common routine for both 32-bit and 64-bit processes */
+/*
+ * Our registers are always unsigned longs, whether we're a 32 bit
+ * process or 64 bit, on either a 64 bit or 32 bit kernel.
+ *
+ * This macro relies on elf_regs[i] having the right type to truncate to,
+ * either u32 or u64. It defines the body of the elf_core_copy_regs
+ * function, either the native one with elf_gregset_t elf_regs or
+ * the 32-bit one with elf_gregset_t32 elf_regs.
+ */
+#define PPC_ELF_CORE_COPY_REGS(elf_regs, regs) \
+ int i, nregs = min(sizeof(*regs) / sizeof(unsigned long), \
+ (size_t)ELF_NGREG); \
+ for (i = 0; i < nregs; i++) \
+ elf_regs[i] = ((unsigned long *) regs)[i]; \
+ memset(&elf_regs[i], 0, (ELF_NGREG - i) * sizeof(elf_regs[0]))
+
+/* Common routine for both 32-bit and 64-bit native processes */
static inline void ppc_elf_core_copy_regs(elf_gregset_t elf_regs,
- struct pt_regs *regs)
+ struct pt_regs *regs)
{
- int i, nregs;
-
- memset((void *)elf_regs, 0, sizeof(elf_gregset_t));
-
- /* Our registers are always unsigned longs, whether we're a 32 bit
- * process or 64 bit, on either a 64 bit or 32 bit kernel.
- * Don't use ELF_GREG_TYPE here. */
- nregs = sizeof(struct pt_regs) / sizeof(unsigned long);
- if (nregs > ELF_NGREG)
- nregs = ELF_NGREG;
-
- for (i = 0; i < nregs; i++) {
- /* This will correctly truncate 64 bit registers to 32 bits
- * for a 32 bit process on a 64 bit kernel. */
- elf_regs[i] = (elf_greg_t)((ELF_GREG_TYPE *)regs)[i];
- }
+ PPC_ELF_CORE_COPY_REGS(elf_regs, regs);
}
#define ELF_CORE_COPY_REGS(gregs, regs) ppc_elf_core_copy_regs(gregs, regs);
-static inline int dump_task_regs(struct task_struct *tsk,
- elf_gregset_t *elf_regs)
-{
- struct pt_regs *regs = tsk->thread.regs;
- if (regs)
- ppc_elf_core_copy_regs(*elf_regs, regs);
-
- return 1;
-}
-#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
-
-extern int dump_task_fpu(struct task_struct *, elf_fpregset_t *);
-#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
-
-#endif /* __KERNEL__ */
+typedef elf_vrregset_t elf_fpxregset_t;
/* ELF_HWCAP yields a mask that user programs can use to figure out what
instruction set this cpu supports. This could be done in userspace,
} while (0)
#endif /* __powerpc64__ */
-#ifdef __KERNEL__
-
#ifdef __powerpc64__
# define SET_PERSONALITY(ex, ibcs2) \
do { \
else \
clear_thread_flag(TIF_ABI_PENDING); \
if (personality(current->personality) != PER_LINUX32) \
- set_personality(PER_LINUX); \
+ set_personality(PER_LINUX | \
+ (current->personality & (~PER_MASK))); \
} while (0)
/*
* An executable for which elf_read_implies_exec() returns TRUE will
# define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
#endif /* __powerpc64__ */
-#endif /* __KERNEL__ */
-
extern int dcache_bsize;
extern int icache_bsize;
extern int ucache_bsize;
int executable_stack);
#define VDSO_AUX_ENT(a,b) NEW_AUX_ENT(a,b);
+#endif /* __KERNEL__ */
+
/*
* The requirements here are:
* - keep the final alignment of sp (sp & 0xf)
* AT_IGNOREPPC is used for that.
* - for compatibility with glibc ARCH_DLINFO must always be defined on PPC,
* even if DLINFO_ARCH_ITEMS goes to zero or is undefined.
+ * update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes
*/
#define ARCH_DLINFO \
do { \
/* Keep this the last entry. */
#define R_PPC64_NUM 107
+#ifdef __KERNEL__
+
#ifdef CONFIG_SPU_BASE
/* Notes used in ET_CORE. Note name is "SPU/<fd>/<filename>". */
#define NT_SPU 1
-extern int arch_notes_size(void);
-extern void arch_write_notes(struct file *file);
+#define ARCH_HAVE_EXTRA_ELF_NOTES
-#define ELF_CORE_EXTRA_NOTES_SIZE arch_notes_size()
-#define ELF_CORE_WRITE_EXTRA_NOTES arch_write_notes(file)
+#endif /* CONFIG_SPU_BASE */
-#define ARCH_HAVE_EXTRA_ELF_NOTES
-#endif /* CONFIG_PPC_CELL */
+#endif /* __KERNEL */
#endif /* _ASM_POWERPC_ELF_H */