Add tilegx support to strace
tilegx support has been in the kernel since 3.0.
In addition, fix some issues with the tilepro support already
present in strace, primarily the decision to use the
<asm/unistd.h> numbering space for system calls.
* defs.h [TILE]: Include <asm/ptrace.h> and provide an extern
struct pt_regs tile_regs for efficiency. Provide compat 32-bit
personality via SUPPORTED_PERSONALITIES, PERSONALITY0_WORDSIZE,
PERSONALITY1_WORDSIZE, and DEFAULT_PERSONALITY.
* linux/tile/errnoent1.h: New file, includes linux/errnoent.h.
* linux/tile/ioctlent1.h: New file, includes linux/ioctlent.h.
* linux/tile/signalent1.h: New file, includes linux/signalent.h.
* linux/tile/syscallent.h: Update with new asm-generic syscalls.
The version previously committed was the from the first tile patch
to LKML, which subsequently was changed to use <asm-generic/unistd.h>.
* linux/tile/syscallent1.h: Copy from linux/tile/syscallent.h.
* mem.c (addtileflags) [TILE]: use %ld properly for a "long" variable.
* process.c [TILE]: Choose clone arguments correctly and properly
suppress all "struct user" related offsets in user_struct_offsets.
* signal.c [TILE]: Use tile_regs not upeek.
* syscall.c (update_personality) [TILE]: Print mode.
(PT_FLAGS_COMPAT) [TILE]: Provide if not in system headers.
(tile_regs) [TILE]: Define 'struct pt_regs' variable to hold state.
(get_regs) [TILE]: use PTRACE_GETREGS to set tile_regs rather than using upeek.
(get_scno) [TILE]: Set personality.
(get_syscall_args) [TILE]: Use tile_regs.
(get_syscall_result) [TILE]: Update tile_regs.
(get_error) [TILE]: Use tile_regs.
(printcall) [TILE]: Print pc.
(arg0_offset, arg1_offset, restore_arg0, restore_arg1) [TILE]:
Properly handle tile call semantics and support tilegx.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/defs.h b/defs.h
index dab5cff..d2c17e3 100644
--- a/defs.h
+++ b/defs.h
@@ -153,7 +153,7 @@
# define PTRACE_PEEKUSER PTRACE_PEEKUSR
# define PTRACE_POKEUSER PTRACE_POKEUSR
#endif
-#if defined(X86_64) || defined(X32) || defined(I386)
+#if defined(X86_64) || defined(X32) || defined(I386) || defined(TILE)
/* For struct pt_regs. x86 strace uses PTRACE_GETREGS.
* PTRACE_GETREGS returns registers in the layout of this struct.
*/
@@ -282,6 +282,17 @@
# define PERSONALITY1_WORDSIZE 4
#endif
+#ifdef TILE
+# undef SUPPORTED_PERSONALITIES
+# define SUPPORTED_PERSONALITIES 2
+# define PERSONALITY0_WORDSIZE 8
+# define PERSONALITY1_WORDSIZE 4
+# ifdef __tilepro__
+# undef DEFAULT_PERSONALITY
+# define DEFAULT_PERSONALITY 1
+# endif
+#endif
+
#ifndef PERSONALITY0_WORDSIZE
# define PERSONALITY0_WORDSIZE (int)(sizeof(long))
#endif
@@ -362,6 +373,9 @@
#if defined(ARM)
extern struct pt_regs regs;
#endif
+#if defined(TILE)
+extern struct pt_regs tile_regs;
+#endif
/* Trace Control Block */
struct tcb {