1 /* struct_diff -- little tool to see which structure's field are modified on mc_diff */
3 /* Copyright (c) 2012. The SimGrid Team. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
13 #include <sys/types.h>
18 #include "xbt/datadesc.h"
19 #include "xbt/file_stat.h"
20 #include "../../src/xbt/datadesc/datadesc_private.h" // RAAAAH! ugly relative path, but it's late, I want it to be done NOW.
21 #include "simix/datatypes.h"
22 #include "../../src/simix/smx_smurf_private.h" // RAAAAH! ugly relative path, but it's even later and it still doesn't work
24 static void define_types(void) {
25 xbt_datadesc_type_t desc;
27 /* typedef struct xbt_swag_hookup {
30 * } s_xbt_swag_hookup_t; */
31 desc = xbt_datadesc_struct("s_xbt_swag_hookup_t");
32 xbt_datadesc_struct_append(desc,"next",xbt_datadesc_by_name("data pointer"));
33 xbt_datadesc_struct_append(desc,"prev",xbt_datadesc_by_name("data pointer"));
34 xbt_datadesc_struct_close(desc);
36 /* FIXME: maybe we should provide the internal details */
37 xbt_datadesc_copy("smx_host_t",xbt_datadesc_by_name("data pointer"));
38 xbt_datadesc_copy("smx_context_t",xbt_datadesc_by_name("data pointer"));
39 xbt_datadesc_copy("smx_action_t",xbt_datadesc_by_name("data pointer"));
40 xbt_datadesc_copy("xbt_dict_t",xbt_datadesc_by_name("data pointer"));
41 xbt_datadesc_copy("xbt_fifo_t",xbt_datadesc_by_name("data pointer"));
42 xbt_datadesc_copy("smx_process_t",xbt_datadesc_by_name("data pointer"));
46 * xbt_errcat_t category;
60 * void *bt[XBT_BACKTRACE_SIZE];
62 desc = xbt_datadesc_struct("xbt_ex_t");
63 xbt_datadesc_struct_append(desc,"msg",xbt_datadesc_by_name("string"));
65 xbt_assert(sizeof(xbt_errcat_t)==sizeof(int),
66 "I was assuming that xbt_errcat_t is of the same size than integer, but it's not true: it's %zu (int:%zu)\n",
67 sizeof(xbt_errcat_t),sizeof(int));
68 xbt_datadesc_struct_append(desc,"category",xbt_datadesc_by_name("short int"));
70 xbt_datadesc_struct_append(desc,"value",xbt_datadesc_by_name("short int"));
71 xbt_datadesc_struct_append(desc,"remote",xbt_datadesc_by_name("short int"));
72 xbt_datadesc_struct_append(desc,"host",xbt_datadesc_by_name("string"));
73 xbt_datadesc_struct_append(desc,"procname",xbt_datadesc_by_name("string"));
74 xbt_datadesc_struct_append(desc,"pid",xbt_datadesc_by_name("int"));
75 xbt_datadesc_struct_append(desc,"file",xbt_datadesc_by_name("string"));
76 xbt_datadesc_struct_append(desc,"line",xbt_datadesc_by_name("int"));
77 xbt_datadesc_struct_append(desc,"func",xbt_datadesc_by_name("string"));
78 xbt_datadesc_struct_append(desc,"used",xbt_datadesc_by_name("int"));
79 xbt_datadesc_struct_append(desc,"bt_strings",xbt_datadesc_by_name("data pointer"));
80 xbt_datadesc_struct_append(desc,"bt",xbt_datadesc_array_fixed("xbt_bt",xbt_datadesc_by_name("data pointer"),XBT_BACKTRACE_SIZE));
81 xbt_datadesc_struct_close(desc);
84 * __ex_mctx_t *ctx_mctx;
85 * volatile int ctx_caught;
86 * volatile xbt_ex_t exception;
87 * } xbt_running_ctx_t; */
88 desc = xbt_datadesc_struct("xbt_running_ctx_t");
89 xbt_datadesc_struct_append(desc,"ctx_mctx",xbt_datadesc_by_name("data pointer"));
90 xbt_datadesc_struct_append(desc,"ctx_caught",xbt_datadesc_by_name("int"));
91 xbt_datadesc_struct_append(desc,"exception",xbt_datadesc_by_name("int"));
92 xbt_datadesc_struct_close(desc);
94 xbt_assert(sizeof(e_smx_simcall_t)==sizeof(int),
95 "I was assuming that e_smx_simcall_t is of the same size than integer, but it's not true: it's %zu (int:%zu)\n",
96 sizeof(e_smx_simcall_t),sizeof(int));
97 xbt_datadesc_copy("e_smx_simcall_t", xbt_datadesc_by_name("int"));
100 static void parse_from_file(const char *name){
101 int in=open(name,O_RDONLY);
103 fprintf(stderr,"Cannot read structure file from %s: %s\n",name,strerror(errno));
107 xbt_strbuff_t strbuff = xbt_strbuff_new();
111 r = read(in,&buffer,1023);
113 xbt_strbuff_append(strbuff,buffer);
116 printf("File %s content:\n%s\n",name,strbuff->data);
117 xbt_datadesc_parse(name,strbuff->data);
121 int main(int argc, char** argv) {
122 xbt_init(&argc, argv);
126 fprintf(stderr,"Usage: %s struct-file offset1 offset2 ...\n",argv[0]);
130 // parse_from_file("s_smx_simcall_t");
131 parse_from_file(argv[1]);
134 xbt_datadesc_type_t type = xbt_datadesc_by_name(argv[1]);
135 for (cpt=2;cpt<argc;cpt++) {
136 int offset = atoi(argv[cpt]);
138 xbt_dd_cat_field_t field;
141 printf ("Offset: %d in struct %s (there is %lu fields)\n",
142 offset, type->name, xbt_dynar_length(type->category.struct_data.fields));
143 xbt_dynar_foreach(type->category.struct_data.fields,cursor,field) {
144 if (field->offset[GRAS_THISARCH]<= offset&&
145 field->offset[GRAS_THISARCH]+field->type->size[GRAS_THISARCH] >= offset) {
147 printf("This offset is somewhere in field %s, which starts at offset %ld and is of size %ld\n",
148 field->name,field->offset[GRAS_THISARCH],field->type->size[GRAS_THISARCH]);
154 printf("Damnit, the structure is too short to find the the field (last field %s was at offset %ld, with size %ld). Weird.\n",
155 field->name,field->offset[GRAS_THISARCH],field->type->size[GRAS_THISARCH]);