hfi1 generated headers:
- split headers into one file per struct - add filedata - fix s/modprobe/modinfo/ for guessed .ko path
This commit is contained in:
Dominique Martinet
committed by
Balazs Gerofi
Balazs Gerofi
parent
03fed4d1c8
commit
54bdb3419d
@@ -23,15 +23,16 @@ static void parse_dwarf(Dwarf_Debug dbg, const char *struct_name,
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const char *field_names[], int field_count);
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static void find_struct(Dwarf_Debug dbg, Dwarf_Die die, const char *struct_name,
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const char *field_names[], int field_count, int level);
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static void find_fields(Dwarf_Debug dbg, Dwarf_Die die, const char *struct_name,
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const char *field_names[], int field_count, int level);
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static void find_fields(Dwarf_Debug dbg, Dwarf_Die struct_die, Dwarf_Die die,
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const char *struct_name, const char *field_names[],
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int field_count, int level);
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static void print_field(Dwarf_Debug dbg, Dwarf_Die die, const char *field_name,
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int pad_num);
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int debug = 0;
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void usage(const char *argv[]) {
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fprintf(stderr, "%s debug_file struct_name field [field...]\n",
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fprintf(stderr, "%s debug_file struct_name [field [field...]]\n",
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argv[0]);
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}
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@@ -45,7 +46,7 @@ int main(int argc, const char *argv[]) {
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Dwarf_Handler errhand = 0;
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Dwarf_Ptr errarg = 0;
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if(argc < 4) {
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if(argc < 3) {
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usage(argv);
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exit(1);
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}
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@@ -171,8 +172,9 @@ static void find_struct(Dwarf_Debug dbg, Dwarf_Die die, const char *struct_name,
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if (rc == DW_DLV_OK) {
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if (tag == DW_TAG_structure_type
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&& name && strcasecmp(name, struct_name) == 0) {
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find_fields(dbg, next, struct_name, field_names,
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field_count, level + 1);
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find_fields(dbg, die, next, struct_name,
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field_names, field_count,
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level + 1);
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fprintf(stderr,
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"Found struct %s but it did not have all members given!\nMissing:\n",
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struct_name);
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@@ -201,79 +203,6 @@ static void find_struct(Dwarf_Debug dbg, Dwarf_Die die, const char *struct_name,
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} while (die);
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}
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static void find_fields(Dwarf_Debug dbg, Dwarf_Die die, const char *struct_name,
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const char *field_names[], int field_count, int level) {
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Dwarf_Die next;
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Dwarf_Error err;
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int rc, i, printed_count = 0;
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printf("struct %s {\n\tunion {\n",
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struct_name);
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do {
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char *name;
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const char *tag_name;
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Dwarf_Half tag;
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rc = dwarf_diename(die, &name, &err);
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if (rc == DW_DLV_NO_ENTRY) {
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name = NULL;
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} else if (rc != DW_DLV_OK) {
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fprintf(stderr, "dwarf_diename error: %d %s\n",
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rc, dwarf_errmsg(err));
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exit(1);
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}
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rc = dwarf_tag(die, &tag, &err);
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if (rc != DW_DLV_OK) {
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fprintf(stderr, "dwarf_tag error: %d %s\n",
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rc, dwarf_errmsg(err));
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exit(1);
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}
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if (debug) {
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rc = dwarf_get_TAG_name(tag, &tag_name);
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if (rc != DW_DLV_OK) {
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fprintf(stderr,
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"dwarf_get_TAG_name error: %d\n", rc);
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exit(1);
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}
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printf("<%d> %p <%d> %s: %s\n", level, die, tag,
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tag_name, name ? name : "<no name>");
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}
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if (tag == DW_TAG_member && name) {
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for (i = 0; i < field_count; i++) {
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if (!field_names[i])
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continue;
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if (strcasecmp(name, field_names[i]) == 0) {
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print_field(dbg, die, field_names[i],
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printed_count);
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field_names[i] = NULL;
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printed_count++;
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break;
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}
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}
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if (printed_count == field_count) {
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printf("\t};\n};\n");
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exit(0);
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}
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}
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rc = dwarf_siblingof(dbg, die, &next, &err);
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dwarf_dealloc(dbg, die, DW_DLA_DIE);
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if (name)
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dwarf_dealloc(dbg, name, DW_DLA_STRING);
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if (rc != DW_DLV_OK)
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break;
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die = next;
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} while (die);
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}
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static int dwarf_get_offset(Dwarf_Debug dbg, Dwarf_Die die,
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int *poffset, Dwarf_Error *perr) {
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Dwarf_Attribute attr;
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@@ -412,6 +341,88 @@ static int deref_type(Dwarf_Debug dbg, Dwarf_Die type_die,
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return rc;
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}
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static void find_fields(Dwarf_Debug dbg, Dwarf_Die struct_die, Dwarf_Die die,
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const char *struct_name, const char *field_names[],
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int field_count, int level) {
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Dwarf_Die next;
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Dwarf_Error err;
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int rc, i, printed_count = 0;
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int size;
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printf("struct %s {\n\tunion {\n",
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struct_name);
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rc = dwarf_get_size(dbg, struct_die, &size, &err);
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if (rc != DW_DLV_OK) {
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fprintf(stderr, "could not get size for struct %s: %s\n",
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struct_name, dwarf_errmsg(err));
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exit(1);
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}
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printf("\t\tchar whole_struct[%d];\n", size);
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do {
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char *name;
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const char *tag_name;
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Dwarf_Half tag;
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rc = dwarf_diename(die, &name, &err);
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if (rc == DW_DLV_NO_ENTRY) {
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name = NULL;
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} else if (rc != DW_DLV_OK) {
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fprintf(stderr, "dwarf_diename error: %d %s\n",
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rc, dwarf_errmsg(err));
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exit(1);
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}
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rc = dwarf_tag(die, &tag, &err);
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if (rc != DW_DLV_OK) {
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fprintf(stderr, "dwarf_tag error: %d %s\n",
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rc, dwarf_errmsg(err));
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exit(1);
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}
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if (debug) {
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rc = dwarf_get_TAG_name(tag, &tag_name);
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if (rc != DW_DLV_OK) {
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fprintf(stderr,
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"dwarf_get_TAG_name error: %d\n", rc);
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exit(1);
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}
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printf("<%d> %p <%d> %s: %s\n", level, die, tag,
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tag_name, name ? name : "<no name>");
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}
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if (tag == DW_TAG_member && name) {
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for (i = 0; i < field_count; i++) {
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if (!field_names[i])
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continue;
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if (strcasecmp(name, field_names[i]) == 0) {
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print_field(dbg, die, field_names[i],
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printed_count);
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field_names[i] = NULL;
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printed_count++;
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break;
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}
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}
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if (printed_count == field_count) {
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printf("\t};\n};\n");
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exit(0);
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}
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}
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rc = dwarf_siblingof(dbg, die, &next, &err);
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dwarf_dealloc(dbg, die, DW_DLA_DIE);
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if (name)
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dwarf_dealloc(dbg, name, DW_DLA_STRING);
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if (rc != DW_DLV_OK)
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break;
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die = next;
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} while (die);
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}
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static void print_field(Dwarf_Debug dbg, Dwarf_Die die, const char *field_name,
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int padnum) {
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Dwarf_Attribute attr;
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@@ -419,6 +430,7 @@ static void print_field(Dwarf_Debug dbg, Dwarf_Die die, const char *field_name,
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int offset = 0;
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char type_buf[1024];
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char array_buf[128] = "";
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char pointer_buf[128] = "";
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int rc;
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rc = dwarf_get_offset(dbg, die, &offset, &err);
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@@ -471,24 +483,26 @@ static void print_field(Dwarf_Debug dbg, Dwarf_Die die, const char *field_name,
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exit(7);
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}
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if (type_tag == DW_TAG_pointer_type) {
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while (type_tag == DW_TAG_pointer_type) {
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pointer_buf[pointer++] = '*';
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rc = deref_type(dbg, type_die, &next,
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&type_tag, &err);
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/* No entry here means void* */
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if (rc != DW_DLV_NO_ENTRY) {
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if (rc != DW_DLV_OK) {
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fprintf(stderr,
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"Could not deref type for %s: %s\n",
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field_name, dwarf_errmsg(err));
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exit(7);
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}
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if (rc == DW_DLV_NO_ENTRY)
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break;
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dwarf_dealloc(dbg, type_die, DW_DLA_DIE);
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type_die = next;
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if (rc != DW_DLV_OK) {
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fprintf(stderr,
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"Could not deref type for %s: %s\n",
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field_name, dwarf_errmsg(err));
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exit(7);
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}
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pointer++;
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dwarf_dealloc(dbg, type_die, DW_DLA_DIE);
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type_die = next;
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}
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if (type_tag == DW_TAG_array_type) {
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int next_offset, size;
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@@ -581,13 +595,13 @@ static void print_field(Dwarf_Debug dbg, Dwarf_Die die, const char *field_name,
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if (type_tag == DW_TAG_structure_type) {
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snprintf(type_buf, 1024, "struct %s %s",
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type_name, pointer ? "*" : "");
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type_name, pointer_buf);
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} else if (type_tag == DW_TAG_base_type
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|| type_tag == DW_TAG_typedef) {
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snprintf(type_buf, 1024, "%s %s", type_name,
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pointer ? "*" : "");
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pointer_buf);
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} else if (type_tag == DW_TAG_pointer_type) {
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snprintf(type_buf, 1024, "void *");
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snprintf(type_buf, 1024, "void %s", pointer_buf);
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} else {
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const char *tag_name;
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@@ -6,19 +6,19 @@
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SCRIPT_PATH="${BASH_SOURCE[0]}"
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ROOTDIR=$(readlink -m "$SCRIPT_PATH")
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ROOTDIR=$(dirname "$ROOTDIR")
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set -e
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set -e -u
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# static configuration-ish
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declare -r DES_BIN="${ROOTDIR}/dwarf-extract-struct"
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declare -r DES_SRC="${DES_BIN}.c"
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declare -r HDR="${ROOTDIR}/../include/hfi1/hfi1_generated_structs.h"
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declare -r HDR_PREFIX="${ROOTDIR}/../include/hfi1/hfi1_generated_"
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error() {
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echo "$@" >&2
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exit 1
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}
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HFI1_KO="${1-$(modprobe -n hfi1)}" || \
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HFI1_KO="${1-$(modinfo -n hfi1)}" || \
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error "Could not find hfi1 module and no argument given. Usage: $0 [hfi1.ko]"
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@@ -26,13 +26,19 @@ HFI1_KO="${1-$(modprobe -n hfi1)}" || \
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gcc -o "$DES_BIN" -g -ldwarf "$DES_SRC" || \
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error "Could not compile, install libdwarf-devel ?"
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"$DES_BIN" "$HFI1_KO" hfi1_pportdata vls_operational > "$HDR"
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"$DES_BIN" "$HFI1_KO" hfi1_pportdata \
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vls_operational > "${HDR_PREFIX}pportdata.h"
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"$DES_BIN" "$HFI1_KO" hfi1_ctxtdata \
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ctxt rcv_array_groups eager_base expected_count expected_base \
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tid_group_list tid_used_list tid_full_list dd >> "$HDR"
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tid_group_list tid_used_list tid_full_list dd \
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> "${HDR_PREFIX}ctxtdata.h"
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"$DES_BIN" "$HFI1_KO" hfi1_devdata \
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per_sdma sdma_pad_phys sdma_map pport chip_rcv_array_count \
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kregbase1 piobase physaddr rcvarray_wc default_desc1 flags \
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sc2vl >> "$HDR"
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sc2vl > "${HDR_PREFIX}devdata.h"
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"$DES_BIN" "$HFI1_KO" hfi1_filedata \
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uctxt pq cq dd subctxt entry_to_rb tid_lock tid_used \
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> "${HDR_PREFIX}filedata.h"
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