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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>
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parent
81c969a8bc
commit
53e18df745
1 changed files with 24 additions and 2 deletions
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@ -285,9 +285,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
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tmp = child->mm->start_data;
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#ifdef CONFIG_BINFMT_ELF_FDPIC
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} else if (addr == (sizeof(struct pt_regs) + 12)) {
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tmp = child->mm->context.exec_fdpic_loadmap;
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goto case_PTRACE_GETFDPIC_EXEC;
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} else if (addr == (sizeof(struct pt_regs) + 16)) {
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tmp = child->mm->context.interp_fdpic_loadmap;
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goto case_PTRACE_GETFDPIC_INTERP;
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#endif
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} else {
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tmp = get_reg(child, addr);
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@ -296,6 +296,28 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
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break;
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}
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#ifdef CONFIG_BINFMT_ELF_FDPIC
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case PTRACE_GETFDPIC: {
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unsigned long tmp = 0;
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switch (addr) {
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case_PTRACE_GETFDPIC_EXEC:
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case PTRACE_GETFDPIC_EXEC:
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tmp = child->mm->context.exec_fdpic_loadmap;
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break;
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case_PTRACE_GETFDPIC_INTERP:
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case PTRACE_GETFDPIC_INTERP:
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tmp = child->mm->context.interp_fdpic_loadmap;
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break;
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default:
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break;
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}
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ret = put_user(tmp, datap);
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break;
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}
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#endif
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/* when I and D space are separate, this will have to be fixed. */
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case PTRACE_POKEDATA:
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pr_debug("ptrace: PTRACE_PEEKDATA\n");
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