00001
00014 #include "op_abi.h"
00015 #include "odb.h"
00016 #include "op_sample_file.h"
00017
00018 #include <stdio.h>
00019 #include <stddef.h>
00020 #include <assert.h>
00021
00022 static struct op_abi_entry const abi_entries[] = {
00023 { "sizeof_double", sizeof(double) },
00024 { "sizeof_u64", sizeof(u64) },
00025 { "sizeof_u8", sizeof(u8) },
00026 { "sizeof_u32", sizeof(u32) },
00027 { "sizeof_int", sizeof(int) },
00028 { "sizeof_unsigned_int", sizeof(unsigned int) },
00029 { "sizeof_odb_key_t", sizeof(odb_key_t) },
00030 { "sizeof_odb_index_t", sizeof(odb_index_t) },
00031 { "sizeof_odb_value_t", sizeof(odb_value_t) },
00032 { "sizeof_odb_node_nr_t", sizeof(odb_node_nr_t) },
00033 { "sizeof_odb_descr_t", sizeof(odb_descr_t) },
00034 { "sizeof_odb_node_t", sizeof(odb_node_t) },
00035 { "sizeof_struct_opd_header", sizeof(struct opd_header) },
00036
00037 { "offsetof_node_key", offsetof(odb_node_t, key) },
00038 { "offsetof_node_value", offsetof(odb_node_t, value) },
00039 { "offsetof_node_next", offsetof(odb_node_t, next) },
00040
00041 { "offsetof_descr_size", offsetof(odb_descr_t, size) },
00042 { "offsetof_descr_current_size", offsetof(odb_descr_t, current_size) },
00043
00044 { "offsetof_header_magic", offsetof(struct opd_header, magic) },
00045 { "offsetof_header_version", offsetof(struct opd_header, version) },
00046 { "offsetof_header_cpu_type", offsetof(struct opd_header, cpu_type) },
00047 { "offsetof_header_ctr_event", offsetof(struct opd_header, ctr_event) },
00048 { "offsetof_header_ctr_um", offsetof(struct opd_header, ctr_um) },
00049 { "offsetof_header_ctr_count", offsetof(struct opd_header, ctr_count) },
00050 { "offsetof_header_is_kernel", offsetof(struct opd_header, is_kernel) },
00051 { "offsetof_header_cpu_speed", offsetof(struct opd_header, cpu_speed) },
00052 { "offsetof_header_mtime", offsetof(struct opd_header, mtime) },
00053 { "offsetof_header_cg_to_is_kernel", offsetof(struct opd_header, cg_to_is_kernel), },
00054 { "offsetof_header_anon_start", offsetof(struct opd_header, anon_start) },
00055 { "offsetof_header_cg_to_anon_start", offsetof(struct opd_header, cg_to_anon_start) },
00056
00057 { NULL, 0 },
00058 };
00059
00060
00061 struct op_abi_entry const * get_abi(void)
00062 {
00063 return abi_entries;
00064 }
00065
00066
00067 int op_little_endian(void)
00068 {
00069 unsigned int probe = 0xff;
00070 size_t sz = sizeof(unsigned int);
00071 unsigned char * probe_byte = (unsigned char *)&probe;
00072
00073 assert(probe_byte[0] == 0xff || probe_byte[sz - 1] == 0xff);
00074
00075 return probe_byte[0] == 0xff;
00076 }
00077
00078
00079 int op_write_abi_to_file(char const * abi_file)
00080 {
00081 FILE * fp;
00082 struct op_abi_entry const * abi_entry;
00083
00084 if ((fp = fopen(abi_file, "w")) == NULL)
00085 return 0;
00086
00087 for (abi_entry = get_abi() ; abi_entry->name != NULL; ++abi_entry)
00088 fprintf(fp, "%s %u\n", abi_entry->name, abi_entry->offset);
00089 fprintf(fp, "little_endian %d\n", op_little_endian());
00090
00091 fclose(fp);
00092
00093 return 1;
00094 }
