commit 726800e8f42f25a1bf7a36b1603ded29266e8ac6
author Chris Dearman <chris@mips.com> Tue May 01 17:45:53 2012 -0700
committer Raghu Gandham <raghu@mips.com> Fri May 04 11:34:40 2012 -0700
tree 20a3971ce514a9c0a163662df988ce7fbcef5317
parent 10579fc43d3ade285eed7318aee062a999f2784d

MIPS support to libm, libdl and libthread_db

Change-Id: I9106721af7fe0cd45df82976250db0d300a20117
Signed-off-by: Raghu Gandham <raghu@mips.com>

libthread_db/libthread_db.c

diff --git a/libthread_db/libthread_db.c b/libthread_db/libthread_db.c
index 86e1cf4..e749377 100644
--- a/libthread_db/libthread_db.c
+++ b/libthread_db/libthread_db.c
@@ -99,7 +99,7 @@
         gEventMsgHandle.tid = gEventMsgHandle.pid;
         return 0x42;
     }
-#else
+#elif defined(__arm__)
     pc = (void *)ptrace(PTRACE_PEEKUSR, handle->tid, (void *)60 /* r15/pc */, NULL);
 
     if (pc == bkpt_addr) {
@@ -109,6 +109,15 @@
         gEventMsgHandle.tid = gEventMsgHandle.pid;
         return 0x42;
     }
+#elif defined(__mips__)
+    pc = (void *)ptrace(PTRACE_PEEKUSR, handle->tid, (void *)(64*4) /* pc */, NULL);
+    if (pc == bkpt_addr) {
+        // The hook function takes the id of the new thread as it's first param,
+        // so grab it from a0
+        gEventMsgHandle.pid = ptrace(PTRACE_PEEKUSR, handle->tid, (void *)(4*4) /* a0 */, NULL);
+        gEventMsgHandle.tid = gEventMsgHandle.pid;
+        return 0x42;
+    }
 #endif
     return 0;
 }