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| author | Mike Frysinger <vapier@gentoo.org> | 2009-07-03 00:17:45 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-09-16 21:31:42 -0400 |
| commit | 53e18df745b6f833df07ead62ded09ebae3b0303 (patch) | |
| tree | 20de888ee6ef362554a9dea0d2fbad280cc91272 | |
| parent | 81c969a8bc4bdc39032f6c58e50e61a8daeeb655 (diff) | |
| download | linux-53e18df745b6f833df07ead62ded09ebae3b0303.tar.gz | |
Blackfin: add support for common FDPIC ptrace requests
The FDPIC arches support a standard set of ptrace requests so rather than define our own custom API, hook up those requests for common code to leverage. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| -rw-r--r-- | arch/blackfin/kernel/ptrace.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index 271d7c63cef2..30f4828277ad 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -285,9 +285,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) tmp = child->mm->start_data; #ifdef CONFIG_BINFMT_ELF_FDPIC } else if (addr == (sizeof(struct pt_regs) + 12)) { - tmp = child->mm->context.exec_fdpic_loadmap; + goto case_PTRACE_GETFDPIC_EXEC; } else if (addr == (sizeof(struct pt_regs) + 16)) { - tmp = child->mm->context.interp_fdpic_loadmap; + goto case_PTRACE_GETFDPIC_INTERP; #endif } else { tmp = get_reg(child, addr); @@ -296,6 +296,28 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } +#ifdef CONFIG_BINFMT_ELF_FDPIC + case PTRACE_GETFDPIC: { + unsigned long tmp = 0; + + switch (addr) { + case_PTRACE_GETFDPIC_EXEC: + case PTRACE_GETFDPIC_EXEC: + tmp = child->mm->context.exec_fdpic_loadmap; + break; + case_PTRACE_GETFDPIC_INTERP: + case PTRACE_GETFDPIC_INTERP: + tmp = child->mm->context.interp_fdpic_loadmap; + break; + default: + break; + } + + ret = put_user(tmp, datap); + break; + } +#endif + /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKEDATA: pr_debug("ptrace: PTRACE_PEEKDATA\n"); |