refactor: Simplify SVE interface to read/write registers

[thirdparty/binutils-gdb.git] / gdbserver / tracepoint.h

diff --git a/gdbserver/tracepoint.h b/gdbserver/tracepoint.h
index 030b2a9234459d86e070a51d562aa9b6c73c3f4e..1f40d7b5177678f5cee475f6b14cd74ef3b90570 100644 (file)
--- a/gdbserver/tracepoint.h
+++ b/gdbserver/tracepoint.h
@@ -1,5 +1,5 @@
 /* Tracepoint code for remote server for GDB.
-   Copyright (C) 1993-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993-2023 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -95,7 +95,7 @@ int traceframe_read_sdata (int tfnum, ULONGEST offset,
                           unsigned char *buf, ULONGEST length,
                           ULONGEST *nbytes);
 
-int traceframe_read_info (int tfnum, struct buffer *buffer);
+int traceframe_read_info (int tfnum, std::string *buffer);
 
 /* If a thread is determined to be collecting a fast tracepoint, this
    structure holds the collect status.  */
@@ -161,8 +161,13 @@ void gdb_agent_about_to_close (int pid);
 struct traceframe;
 struct eval_agent_expr_context;
 
-/* Do memory copies for bytecodes.  */
-/* Do the recording of memory blocks for actions and bytecodes.  */
+/* When TO is not NULL, do memory copies for bytecodes, read LEN bytes
+   starting at address FROM, and place the result in the buffer TO.
+   Return 0 on success, otherwise a non-zero error code.
+
+   When TO is NULL, do the recording of memory blocks for actions and
+   bytecodes into a new traceframe block.  Return 0 on success, otherwise,
+   return 1 if there is an error.  */
 
 int agent_mem_read (struct eval_agent_expr_context *ctx,
                    unsigned char *to, CORE_ADDR from,