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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-25 10:51:49 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-25 10:51:49 -0400
commit1dfd166e93f98892aa4427069a23ed73259983c8 (patch)
treec70a347b963091b99bd16842537153fa36e5c0e9 /arch/sh/kernel/ptrace_64.c
parent8e775167d54e6521e7cdbc03ee7ec42a8c67b49a (diff)
parent8df399018df120d28f89fda6f2515cc6e096e43d (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: (110 commits) sh: i2c-sh7760: Replase from ctrl_* to __raw_* sh: clkfwk: Shuffle around to match the intc split up. sh: clkfwk: modify for_each_frequency end condition sh: fix clk_get() error handling sh: clkfwk: Fix fault in frequency iterator. sh: clkfwk: Add a helper for rate rounding by divisor ranges. sh: clkfwk: Abstract rate rounding helper. sh: clkfwk: support clock remapping. sh: pci: Convert to upper/lower_32_bits() helpers. sh: mach-sdk7786: Add support for the FPGA SRAM. sh: Provide a generic SRAM pool for tiny memories. sh: pci: Support secondary FPGA-driven PCIe clocks on SDK7786. sh: pci: Support slot 4 routing on SDK7786. sh: Fix up PMB locking. sh: mach-sdk7786: Add support for fpga gpios. sh: use pr_fmt for clock framework, too. sh: remove name and id from struct clk sh: free-without-alloc fix for sh_mobile_lcdcfb sh: perf: Set up perf_max_events. sh: perf: Support SH-X3 hardware counters. ... Fix up trivial conflicts (perf_max_events got removed) in arch/sh/kernel/perf_event.c
Diffstat (limited to 'arch/sh/kernel/ptrace_64.c')
-rw-r--r--arch/sh/kernel/ptrace_64.c88
1 files changed, 82 insertions, 6 deletions
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index 5fd644da7f02..e0fb065914aa 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -20,7 +20,7 @@
20#include <linux/sched.h> 20#include <linux/sched.h>
21#include <linux/mm.h> 21#include <linux/mm.h>
22#include <linux/smp.h> 22#include <linux/smp.h>
23#include <linux/smp_lock.h> 23#include <linux/bitops.h>
24#include <linux/errno.h> 24#include <linux/errno.h>
25#include <linux/ptrace.h> 25#include <linux/ptrace.h>
26#include <linux/user.h> 26#include <linux/user.h>
@@ -252,6 +252,85 @@ static int fpregs_active(struct task_struct *target,
252} 252}
253#endif 253#endif
254 254
255const struct pt_regs_offset regoffset_table[] = {
256 REG_OFFSET_NAME(pc),
257 REG_OFFSET_NAME(sr),
258 REG_OFFSET_NAME(syscall_nr),
259 REGS_OFFSET_NAME(0),
260 REGS_OFFSET_NAME(1),
261 REGS_OFFSET_NAME(2),
262 REGS_OFFSET_NAME(3),
263 REGS_OFFSET_NAME(4),
264 REGS_OFFSET_NAME(5),
265 REGS_OFFSET_NAME(6),
266 REGS_OFFSET_NAME(7),
267 REGS_OFFSET_NAME(8),
268 REGS_OFFSET_NAME(9),
269 REGS_OFFSET_NAME(10),
270 REGS_OFFSET_NAME(11),
271 REGS_OFFSET_NAME(12),
272 REGS_OFFSET_NAME(13),
273 REGS_OFFSET_NAME(14),
274 REGS_OFFSET_NAME(15),
275 REGS_OFFSET_NAME(16),
276 REGS_OFFSET_NAME(17),
277 REGS_OFFSET_NAME(18),
278 REGS_OFFSET_NAME(19),
279 REGS_OFFSET_NAME(20),
280 REGS_OFFSET_NAME(21),
281 REGS_OFFSET_NAME(22),
282 REGS_OFFSET_NAME(23),
283 REGS_OFFSET_NAME(24),
284 REGS_OFFSET_NAME(25),
285 REGS_OFFSET_NAME(26),
286 REGS_OFFSET_NAME(27),
287 REGS_OFFSET_NAME(28),
288 REGS_OFFSET_NAME(29),
289 REGS_OFFSET_NAME(30),
290 REGS_OFFSET_NAME(31),
291 REGS_OFFSET_NAME(32),
292 REGS_OFFSET_NAME(33),
293 REGS_OFFSET_NAME(34),
294 REGS_OFFSET_NAME(35),
295 REGS_OFFSET_NAME(36),
296 REGS_OFFSET_NAME(37),
297 REGS_OFFSET_NAME(38),
298 REGS_OFFSET_NAME(39),
299 REGS_OFFSET_NAME(40),
300 REGS_OFFSET_NAME(41),
301 REGS_OFFSET_NAME(42),
302 REGS_OFFSET_NAME(43),
303 REGS_OFFSET_NAME(44),
304 REGS_OFFSET_NAME(45),
305 REGS_OFFSET_NAME(46),
306 REGS_OFFSET_NAME(47),
307 REGS_OFFSET_NAME(48),
308 REGS_OFFSET_NAME(49),
309 REGS_OFFSET_NAME(50),
310 REGS_OFFSET_NAME(51),
311 REGS_OFFSET_NAME(52),
312 REGS_OFFSET_NAME(53),
313 REGS_OFFSET_NAME(54),
314 REGS_OFFSET_NAME(55),
315 REGS_OFFSET_NAME(56),
316 REGS_OFFSET_NAME(57),
317 REGS_OFFSET_NAME(58),
318 REGS_OFFSET_NAME(59),
319 REGS_OFFSET_NAME(60),
320 REGS_OFFSET_NAME(61),
321 REGS_OFFSET_NAME(62),
322 REGS_OFFSET_NAME(63),
323 TREGS_OFFSET_NAME(0),
324 TREGS_OFFSET_NAME(1),
325 TREGS_OFFSET_NAME(2),
326 TREGS_OFFSET_NAME(3),
327 TREGS_OFFSET_NAME(4),
328 TREGS_OFFSET_NAME(5),
329 TREGS_OFFSET_NAME(6),
330 TREGS_OFFSET_NAME(7),
331 REG_OFFSET_END,
332};
333
255/* 334/*
256 * These are our native regset flavours. 335 * These are our native regset flavours.
257 */ 336 */
@@ -395,10 +474,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
395asmlinkage int sh64_ptrace(long request, long pid, long addr, long data) 474asmlinkage int sh64_ptrace(long request, long pid, long addr, long data)
396{ 475{
397#define WPC_DBRMODE 0x0d104008 476#define WPC_DBRMODE 0x0d104008
398 static int first_call = 1; 477 static unsigned long first_call;
399 478
400 lock_kernel(); 479 if (!test_and_set_bit(0, &first_call)) {
401 if (first_call) {
402 /* Set WPC.DBRMODE to 0. This makes all debug events get 480 /* Set WPC.DBRMODE to 0. This makes all debug events get
403 * delivered through RESVEC, i.e. into the handlers in entry.S. 481 * delivered through RESVEC, i.e. into the handlers in entry.S.
404 * (If the kernel was downloaded using a remote gdb, WPC.DBRMODE 482 * (If the kernel was downloaded using a remote gdb, WPC.DBRMODE
@@ -408,9 +486,7 @@ asmlinkage int sh64_ptrace(long request, long pid, long addr, long data)
408 * the remote gdb.) */ 486 * the remote gdb.) */
409 printk("DBRMODE set to 0 to permit native debugging\n"); 487 printk("DBRMODE set to 0 to permit native debugging\n");
410 poke_real_address_q(WPC_DBRMODE, 0); 488 poke_real_address_q(WPC_DBRMODE, 0);
411 first_call = 0;
412 } 489 }
413 unlock_kernel();
414 490
415 return sys_ptrace(request, pid, addr, data); 491 return sys_ptrace(request, pid, addr, data);
416} 492}