Added optional calls to lldb_private::Process for getting memory region info

from a process and hooked it up to the new packet that was recently added
to our GDB remote executable named debugserver. Now Process has the following
new calls:

virtual Error
Process::GetMemoryRegionInfo (lldb::addr_t load_addr, MemoryRegionInfo &range_info);

virtual uint32_t
GetLoadAddressPermissions (lldb::addr_t load_addr);

Only the first one needs to be implemented by subclasses that can add this
support.

Cleaned up the way the new packet was implemented in debugserver to be more
useful as an API inside debugserver. Also found an error where finding a region
for an address actually will pick up the next region that follows the address
in the query so we also need ot make sure that the address we requested the
region for falls into the region that gets returned.

llvm-svn: 144976

1 files changed, 7 insertions, 0 deletions

diff --git a/lldb/tools/debugserver/source/DNBDefs.h b/lldb/tools/debugserver/source/DNBDefs.h
index 4b4729307d5..87926327504 100644
--- a/lldb/tools/debugserver/source/DNBDefs.h
+++ b/lldb/tools/debugserver/source/DNBDefs.h
@@ -333,6 +333,13 @@ struct DNBExecutableImageInfo
     DNBSegment  *segments;      // Array of contiguous memory segments in executable
 };
 
+struct DNBRegionInfo
+{
+    nub_addr_t addr;
+    nub_addr_t size;
+    uint32_t permissions;
+};
+
 typedef nub_bool_t (*DNBCallbackBreakpointHit)(nub_process_t pid, nub_thread_t tid, nub_break_t breakID, void *baton);
 typedef nub_addr_t (*DNBCallbackNameToAddress)(nub_process_t pid, const char *name, const char *shlib_regex, void *baton);
 typedef nub_size_t (*DNBCallbackCopyExecutableImageInfos)(nub_process_t pid, struct DNBExecutableImageInfo **image_infos, nub_bool_t only_changed, void *baton);