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Diffstat (limited to 'agent/machine/i386/tcf/dwarfreloc-mdep.h')
-rw-r--r--agent/machine/i386/tcf/dwarfreloc-mdep.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/agent/machine/i386/tcf/dwarfreloc-mdep.h b/agent/machine/i386/tcf/dwarfreloc-mdep.h
new file mode 100644
index 00000000..3ab791c7
--- /dev/null
+++ b/agent/machine/i386/tcf/dwarfreloc-mdep.h
@@ -0,0 +1,49 @@
+/*******************************************************************************
+ * Copyright (c) 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
+ *******************************************************************************/
+
+/*
+ * This module provides CPU specific ELF definitions for X86.
+ */
+
+#define R_386_NONE 0
+#define R_386_32 1
+#define R_386_PC32 2
+
+static void elf_relocate(void) {
+ if (relocs->type == SHT_REL) {
+ U4_T x = *(U4_T *)((char *)section->data + reloc_offset);
+ if (section->file->type != ET_REL) str_exception(ERR_INV_FORMAT, "Invalid relocation record");
+ if (section->file->byte_swap) SWAP(x);
+ assert(reloc_addend == 0);
+ reloc_addend = x;
+ }
+ switch (reloc_type) {
+ case R_386_NONE:
+ *destination_section = NULL;
+ break;
+ case R_386_32:
+ if (data_size < 4) str_exception(ERR_INV_FORMAT, "Invalid relocation record");
+ *(U4_T *)data_buf = (U4_T)(sym_value + reloc_addend);
+ if (section->file->byte_swap) SWAP(*(U4_T *)data_buf);
+ break;
+ case R_386_PC32:
+ if (data_size < 4) str_exception(ERR_INV_FORMAT, "Invalid relocation record");
+ *(U4_T *)data_buf = (U4_T)(section->addr + reloc_offset + sym_value + reloc_addend);
+ if (section->file->byte_swap) SWAP(*(U4_T *)data_buf);
+ break;
+ default:
+ str_exception(ERR_INV_FORMAT, "Unsupported relocation type");
+ }
+}

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