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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:52:50 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:52:50 +1100
commite189f3495c4e30fc84fc9241096edf3932e23439 (patch)
tree5916c89ace81537a02ae01869386ba6caafdab9c /include/asm-sh/elf.h
parentf4798748dee00c807a63f5518f08b3df161e0f6d (diff)
parent6582d7b7376aa587d74b08c74457dc28abc1a9fa (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (197 commits) sh: add spi header and r2d platform data V3 sh: update r7780rp interrupt code sh: remove consistent alloc stuff from the machine vector sh: use declared coherent memory for dreamcast pci ethernet adapter sh: declared coherent memory support V2 sh: Add support for SDK7780 board. sh: constify function pointer tables sh: Kill off -traditional for linker script. cdrom: Add support for Sega Dreamcast GD-ROM. sh: Kill off hs7751rvoip reference from arch/sh/Kconfig. sh: Drop r7780rp_defconfig, use r7780mp_defconfig as kbuild default. sh: Kill off dead HS771RVoIP board support. sh: r7785rp: Fix up DECLARE_INTC_DESC() arg mismatch. sh: r7785rp: Hook up the rest of the HL7785 FPGA IRQ vectors. sh: r2d - enable sm501 usb host function sh: remove voyagergx sh: r2d - add lcd planel timings to sm501 platform data sh: Add OHCI and UDC platform devices for SH7720. sh: intc - remove default interrupt priority tables sh: Correct pte size mismatch for X2 TLB. ...
Diffstat (limited to 'include/asm-sh/elf.h')
-rw-r--r--include/asm-sh/elf.h75
1 files changed, 62 insertions, 13 deletions
diff --git a/include/asm-sh/elf.h b/include/asm-sh/elf.h
index 12cc4b392bf..05092da1aa5 100644
--- a/include/asm-sh/elf.h
+++ b/include/asm-sh/elf.h
@@ -5,7 +5,7 @@
#include <asm/ptrace.h>
#include <asm/user.h>
-/* SH relocation types */
+/* SH (particularly SHcompact) relocation types */
#define R_SH_NONE 0
#define R_SH_DIR32 1
#define R_SH_REL32 2
@@ -43,6 +43,11 @@
#define R_SH_RELATIVE 165
#define R_SH_GOTOFF 166
#define R_SH_GOTPC 167
+/* SHmedia relocs */
+#define R_SH_IMM_LOW16 246
+#define R_SH_IMM_LOW16_PCREL 247
+#define R_SH_IMM_MEDLOW16 248
+#define R_SH_IMM_MEDLOW16_PCREL 249
/* Keep this the last entry. */
#define R_SH_NUM 256
@@ -58,11 +63,6 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef struct user_fpu_struct elf_fpregset_t;
/*
- * This is used to ensure we don't load something for the wrong architecture.
- */
-#define elf_check_arch(x) ( (x)->e_machine == EM_SH )
-
-/*
* These are used to set parameters in the core dumps.
*/
#define ELF_CLASS ELFCLASS32
@@ -73,6 +73,12 @@ typedef struct user_fpu_struct elf_fpregset_t;
#endif
#define ELF_ARCH EM_SH
+#ifdef __KERNEL__
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) ( (x)->e_machine == EM_SH )
+
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE PAGE_SIZE
@@ -83,7 +89,6 @@ typedef struct user_fpu_struct elf_fpregset_t;
#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
-
#define ELF_CORE_COPY_REGS(_dest,_regs) \
memcpy((char *) &_dest, (char *) _regs, \
sizeof(struct pt_regs));
@@ -101,16 +106,38 @@ typedef struct user_fpu_struct elf_fpregset_t;
For the moment, we have only optimizations for the Intel generations,
but that could change... */
-#define ELF_PLATFORM (NULL)
+#define ELF_PLATFORM (utsname()->machine)
+#ifdef __SH5__
+#define ELF_PLAT_INIT(_r, load_addr) \
+ do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
+ _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
+ _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
+ _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; _r->regs[15]=0; \
+ _r->regs[16]=0; _r->regs[17]=0; _r->regs[18]=0; _r->regs[19]=0; \
+ _r->regs[20]=0; _r->regs[21]=0; _r->regs[22]=0; _r->regs[23]=0; \
+ _r->regs[24]=0; _r->regs[25]=0; _r->regs[26]=0; _r->regs[27]=0; \
+ _r->regs[28]=0; _r->regs[29]=0; _r->regs[30]=0; _r->regs[31]=0; \
+ _r->regs[32]=0; _r->regs[33]=0; _r->regs[34]=0; _r->regs[35]=0; \
+ _r->regs[36]=0; _r->regs[37]=0; _r->regs[38]=0; _r->regs[39]=0; \
+ _r->regs[40]=0; _r->regs[41]=0; _r->regs[42]=0; _r->regs[43]=0; \
+ _r->regs[44]=0; _r->regs[45]=0; _r->regs[46]=0; _r->regs[47]=0; \
+ _r->regs[48]=0; _r->regs[49]=0; _r->regs[50]=0; _r->regs[51]=0; \
+ _r->regs[52]=0; _r->regs[53]=0; _r->regs[54]=0; _r->regs[55]=0; \
+ _r->regs[56]=0; _r->regs[57]=0; _r->regs[58]=0; _r->regs[59]=0; \
+ _r->regs[60]=0; _r->regs[61]=0; _r->regs[62]=0; \
+ _r->tregs[0]=0; _r->tregs[1]=0; _r->tregs[2]=0; _r->tregs[3]=0; \
+ _r->tregs[4]=0; _r->tregs[5]=0; _r->tregs[6]=0; _r->tregs[7]=0; \
+ _r->sr = SR_FD | SR_MMU; } while (0)
+#else
#define ELF_PLAT_INIT(_r, load_addr) \
do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
_r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
_r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
_r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \
_r->sr = SR_FD; } while (0)
+#endif
-#ifdef __KERNEL__
#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT)
struct task_struct;
extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
@@ -118,7 +145,6 @@ extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
-#endif
#ifdef CONFIG_VSYSCALL
/* vDSO has arch_setup_additional_pages */
@@ -133,12 +159,35 @@ extern void __kernel_vsyscall;
#define VDSO_BASE ((unsigned long)current->mm->context.vdso)
#define VDSO_SYM(x) (VDSO_BASE + (unsigned long)(x))
+#define VSYSCALL_AUX_ENT \
+ if (vdso_enabled) \
+ NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE);
+#else
+#define VSYSCALL_AUX_ENT
+#endif /* CONFIG_VSYSCALL */
+
+#ifdef CONFIG_SH_FPU
+#define FPU_AUX_ENT NEW_AUX_ENT(AT_FPUCW, FPSCR_INIT)
+#else
+#define FPU_AUX_ENT
+#endif
+
+extern int l1i_cache_shape, l1d_cache_shape, l2_cache_shape;
+
/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
#define ARCH_DLINFO \
do { \
- if (vdso_enabled) \
- NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); \
+ /* Optional FPU initialization */ \
+ FPU_AUX_ENT; \
+ \
+ /* Optional vsyscall entry */ \
+ VSYSCALL_AUX_ENT; \
+ \
+ /* Cache desc */ \
+ NEW_AUX_ENT(AT_L1I_CACHESHAPE, l1i_cache_shape); \
+ NEW_AUX_ENT(AT_L1D_CACHESHAPE, l1d_cache_shape); \
+ NEW_AUX_ENT(AT_L2_CACHESHAPE, l2_cache_shape); \
} while (0)
-#endif /* CONFIG_VSYSCALL */
+#endif /* __KERNEL__ */
#endif /* __ASM_SH_ELF_H */