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Diffstat (limited to 'server/tcf/framework/cpudefs-ext.h')
-rw-r--r--server/tcf/framework/cpudefs-ext.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/server/tcf/framework/cpudefs-ext.h b/server/tcf/framework/cpudefs-ext.h
new file mode 100644
index 00000000..88807707
--- /dev/null
+++ b/server/tcf/framework/cpudefs-ext.h
@@ -0,0 +1,76 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Wind River Systems, Inc. and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Eclipse Distribution License v1.0 which accompany this distribution.
+ * The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * and the Eclipse Distribution License is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ * You may elect to redistribute this code under either of these licenses.
+ *
+ * Contributors:
+ * Wind River Systems - initial API and implementation
+ *******************************************************************************/
+
+#include <tcf/services/context-proxy.h>
+
+RegisterDefinition * get_reg_by_id(Context * ctx, unsigned id, RegisterIdScope * scope) {
+ RegisterDefinition * defs = get_reg_definitions(ctx);
+ while (defs != NULL && defs->name != NULL) {
+ switch (scope->id_type) {
+ case REGNUM_DWARF:
+ if (defs->dwarf_id == (int)id) return defs;
+ break;
+ case REGNUM_EH_FRAME:
+ if (defs->eh_frame_id == (int)id) return defs;
+ break;
+ }
+ defs++;
+ }
+ set_errno(ERR_OTHER, "Invalid register ID");
+ return NULL;
+}
+
+int read_reg_bytes(StackFrame * frame, RegisterDefinition * reg_def, unsigned offs, unsigned size, uint8_t * buf) {
+ if (reg_def == NULL || frame == NULL) {
+ errno = ERR_INV_CONTEXT;
+ return -1;
+ }
+ else {
+ size_t i;
+ uint8_t * r_addr = frame->regs->data + reg_def->offset;
+ uint8_t * m_addr = frame->regs->mask + reg_def->offset;
+ for (i = 0; i < size; i++) {
+ if (m_addr[offs + i] != 0xff) {
+ errno = ERR_INV_CONTEXT;
+ return -1;
+ }
+ }
+ if (offs + size > reg_def->size) {
+ errno = ERR_INV_DATA_SIZE;
+ return -1;
+ }
+ memcpy(buf, r_addr + offs, size);
+ }
+ return 0;
+}
+
+int write_reg_bytes(StackFrame * frame, RegisterDefinition * reg_def, unsigned offs, unsigned size, uint8_t * buf) {
+ if (reg_def == NULL || frame == NULL) {
+ errno = ERR_INV_CONTEXT;
+ return -1;
+ }
+ else {
+ uint8_t * r_addr = frame->regs->data + reg_def->offset;
+ uint8_t * m_addr = frame->regs->mask + reg_def->offset;
+
+ if (offs + size > reg_def->size) {
+ errno = ERR_INV_DATA_SIZE;
+ return -1;
+ }
+ memcpy(r_addr + offs, buf, size);
+ memset(m_addr + offs, 0xff, size);
+ }
+ return 0;
+}

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