Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 53e18df7 authored by Mike Frysinger's avatar Mike Frysinger
Browse files

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: default avatarMike Frysinger <vapier@gentoo.org>
parent 81c969a8

arch/blackfin/kernel/ptrace.c

+24 −2
Original line number Original line Diff line number Diff line
@@ -285,9 +285,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) 
				tmp = child->mm->start_data;

				tmp = child->mm->start_data;

#ifdef CONFIG_BINFMT_ELF_FDPIC

#ifdef CONFIG_BINFMT_ELF_FDPIC

			} else if (addr == (sizeof(struct pt_regs) + 12)) {

			} 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)) {

			} else if (addr == (sizeof(struct pt_regs) + 16)) {

				tmp = child->mm->context.interp_fdpic_loadmap;

				goto case_PTRACE_GETFDPIC_INTERP;

#endif

#endif

			} else {

			} else {

				tmp = get_reg(child, addr);

				tmp = get_reg(child, addr);
@@ -296,6 +296,28 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) 
			break;

			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. */

		/* when I and D space are separate, this will have to be fixed. */

	case PTRACE_POKEDATA:

	case PTRACE_POKEDATA:

		pr_debug("ptrace: PTRACE_PEEKDATA\n");

		pr_debug("ptrace: PTRACE_PEEKDATA\n");