From 87702a095569d8de8d80c0b16a7260d194c80645 Mon Sep 17 00:00:00 2001
From: Andreas Schwab <schwab@suse.de>
Date: Thu, 17 Oct 2013 12:32:56 +0200
Subject: Port peekfd to m68k

---
 configure.ac    | 5 +++++
 src/Makefile.am | 4 ++++
 src/peekfd.c    | 8 +++++++-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 6fed37f..20549f6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -117,6 +117,8 @@ AC_CHECK_MEMBERS([struct pt_regs.orig_gpr3,
 AC_CHECK_MEMBERS([struct pt_regs.uregs],[],[], [#include <asm/ptrace.h>])
 AC_CHECK_MEMBERS([struct pt_regs.regs,
                   struct pt_regs.cp0_status],[],[], [#include <asm/ptrace.h>])
+AC_CHECK_MEMBERS([struct pt_regs.orig_d0,
+                  struct pt_regs.d0],[],[], [#include <asm/ptrace.h>])
 
 case ${host_os} in
   gnu*)
@@ -149,6 +151,9 @@ AM_CONDITIONAL(WANT_PEEKFD_MIPS,
    test $build_cpu = mipsel &&
    test $ac_cv_member_struct_pt_regs_regs = yes &&
    test $ac_cv_member_struct_pt_regs_cp0_status = yes)
+AM_CONDITIONAL(WANT_PEEKFD_M68K,
+   test $ac_cv_member_struct_pt_regs_orig_d0 = yes &&
+   test $ac_cv_member_struct_pt_regs_d0 = yes)
 
 dnl Checks for library functions.
 AC_FUNC_CLOSEDIR_VOID
diff --git a/src/Makefile.am b/src/Makefile.am
index 9d6f777..3a1fe19 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -25,6 +25,10 @@ if WANT_PEEKFD_MIPS
   bin_PROGRAMS += peekfd
   AM_CFLAGS += -DMIPS
 endif
+if WANT_PEEKFD_M68K
+  bin_PROGRAMS += peekfd
+  AM_CFLAGS += -DM68K
+endif
 
 fuser_SOURCES = fuser.c comm.h signals.c signals.h i18n.h fuser.h lists.h
 if WANT_TIMEOUT_STAT
diff --git a/src/peekfd.c b/src/peekfd.c
index c4a3474..cba2130 100644
--- a/src/peekfd.c
+++ b/src/peekfd.c
@@ -76,6 +76,12 @@
 	#define REG_PARAM1 regs[4]
 	#define REG_PARAM2 regs[5]
 	#define REG_PARAM3 regs[6]
+#elif defined(M68K)
+	#define REG_ORIG_ACCUM orig_d0
+	#define REG_ACCUM d0
+	#define REG_PARAM1 d1
+	#define REG_PARAM2 d2
+	#define REG_PARAM3 d3
 #endif
 
 #define MAX_ATTACHED_PIDS 1024
@@ -270,7 +276,7 @@ int main(int argc, char **argv)
 						}
 
 						for (i = 0; i < regs.REG_PARAM3; i++) {
-#ifdef _BIG_ENDIAN
+#if BYTE_ORDER == BIG_ENDIAN
 #if __WORDSIZE == 64
 							unsigned int a = bswap_64(ptrace(PTRACE_PEEKTEXT, pid, regs.REG_PARAM2 + i, 0));
 #else
-- 
cgit v1.2.3