- added patch to fix crash in load_image on corrupt elf file or out of memory.

[openocd.git] / src / target / target.c

diff --git a/src/target/target.c b/src/target/target.c
index 53022dffd52a85a9ac7b9846ed57ca7891712fb8..f77de33939fa8dd232cf0e452f1fafd813d19261 100644 (file)
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -1040,6 +1040,7 @@ int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **a
                                (*last_target_p)->reset_script = NULL;
                                (*last_target_p)->post_halt_script = NULL;
                                (*last_target_p)->pre_resume_script = NULL;
+                               (*last_target_p)->gdb_program_script = NULL;
                                
                                (*last_target_p)->working_area = 0x0;
                                (*last_target_p)->working_area_size = 0x0;
@@ -1064,7 +1065,8 @@ int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **a
                                (*last_target_p)->trace_info->trace_history_overflowed = 0;
                                
                                (*last_target_p)->dbgmsg = NULL;
-                                                               
+                               (*last_target_p)->dbg_msg_enabled = 0;
+                               
                                (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
                                
                                found = 1;
@@ -1120,6 +1122,12 @@ int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, c
                        free(target->pre_resume_script);
                target->pre_resume_script = strdup(args[2]);
        }
+       else if (strcmp(args[1], "gdb_program_config") == 0)
+       {
+               if (target->gdb_program_script)
+                       free(target->gdb_program_script);
+               target->gdb_program_script = strdup(args[2]);
+       }
        else
        {
                ERROR("unknown event type: '%s", args[1]);
@@ -1577,9 +1585,11 @@ int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
 
 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
+       const int line_bytecnt = 32;
        int count = 1;
        int size = 4;
-       u32 address = 0;
+       u32 address = 0;  
+       int line_modulo;
        int i;
 
        char output[128];
@@ -1602,20 +1612,21 @@ int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args,
        switch (cmd[2])
        {
                case 'w':
-                       size = 4;
+                       size = 4; line_modulo = line_bytecnt / 4;
                        break;
                case 'h':
-                       size = 2;
+                       size = 2; line_modulo = line_bytecnt / 2;
                        break;
                case 'b':
-                       size = 1;
+                       size = 1; line_modulo = line_bytecnt / 1;
                        break;
                default:
                        return ERROR_OK;
        }
 
        buffer = calloc(count, size);
-       if ((retval  = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK)
+       retval  = target->type->read_memory(target, address, size, count, buffer);
+       if (retval != ERROR_OK)
        {
                switch (retval)
                {
@@ -1639,7 +1650,7 @@ int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args,
 
        for (i = 0; i < count; i++)
        {
-               if (i%8 == 0)
+               if (i%line_modulo == 0)
                        output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
                
                switch (size)
@@ -1655,7 +1666,7 @@ int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args,
                                break;
                }
 
-               if ((i%8 == 7) || (i == count - 1))
+               if ((i%line_modulo == line_modulo-1) || (i == count - 1))
                {
                        command_print(cmd_ctx, output);
                        output_len = 0;
@@ -1767,6 +1778,11 @@ int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char
        for (i = 0; i < image.num_sections; i++)
        {
                buffer = malloc(image.sections[i].size);
+               if (buffer==NULL)
+               {
+                       command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
+                       break;
+               }
                if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
                {
                        ERROR("image_read_section failed with error code: %i", retval);