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parisc: Add ARCH_TRACEHOOK and regset support

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By adding TRACEHOOK support we now get a clean user interface to access
registers via PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS and
PTRACE_SETFPREGS.

The user-visible regset struct user_regs_struct and user_fp_struct are
modelled similiar to x86 and can be accessed via PTRACE_GETREGSET.

Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller
2016-04-01 22:40:53 +02:00
parent d2ad824f4b
commit 64e2a42bca
4 changed files with 410 additions and 3 deletions
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8
tools/testing/selftests/seccomp/seccomp_bpf.c
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@@ -1234,6 +1234,10 @@ TEST_F(TRACE_poke, getpid_runs_normally)
# define ARCH_REGS struct user_pt_regs
# define SYSCALL_NUM regs[8]
# define SYSCALL_RET regs[0]
#elif defined(__hppa__)
# define ARCH_REGS struct user_regs_struct
# define SYSCALL_NUM gr[20]
# define SYSCALL_RET gr[28]
#elif defined(__powerpc__)
# define ARCH_REGS struct pt_regs
# define SYSCALL_NUM gpr[0]
@@ -1303,7 +1307,7 @@ void change_syscall(struct __test_metadata *_metadata,
EXPECT_EQ(0, ret);
#if defined(__x86_64__) || defined(__i386__) || defined(__powerpc__) || \
defined(__s390__)
defined(__s390__) || defined(__hppa__)
{
regs.SYSCALL_NUM = syscall;
}
@@ -1505,6 +1509,8 @@ TEST_F(TRACE_syscall, syscall_dropped)
# define __NR_seccomp 383
# elif defined(__aarch64__)
# define __NR_seccomp 277
# elif defined(__hppa__)
# define __NR_seccomp 338
# elif defined(__powerpc__)
# define __NR_seccomp 358
# elif defined(__s390__)