Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/libasm/asm_addint8.c b/libasm/asm_addint8.c
new file mode 100644
index 0000000..bb7d40f
--- /dev/null
+++ b/libasm/asm_addint8.c
@@ -0,0 +1,121 @@
+/* Add integer to a section.
+ Copyright (C) 2002, 2005 Red Hat, Inc.
+ This file is part of elfutils.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at
+ your option) any later version
+
+ or both in parallel, as here.
+
+ elfutils is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <byteswap.h>
+#include <endian.h>
+#include <inttypes.h>
+#include <string.h>
+
+#include <libasmP.h>
+
+#ifndef SIZE
+# define SIZE 8
+#endif
+
+#define FCT(size) _FCT(size)
+#define _FCT(size) asm_addint##size
+#define TYPE(size) _TYPE(size)
+#define _TYPE(size) int##size##_t
+#define BSWAP(size) _BSWAP(size)
+#define _BSWAP(size) bswap_##size
+
+
+int
+FCT(SIZE) (AsmScn_t *asmscn, TYPE(SIZE) num)
+{
+ if (asmscn == NULL)
+ return -1;
+
+ if (asmscn->type == SHT_NOBITS && unlikely (num != 0))
+ {
+ __libasm_seterrno (ASM_E_TYPE);
+ return -1;
+ }
+
+ if (unlikely (asmscn->ctx->textp))
+ {
+ // XXX Needs to use backend specified pseudo-ops
+ if (SIZE == 8)
+ fprintf (asmscn->ctx->out.file, "\t.byte\t%" PRId8 "\n", (int8_t) num);
+ else if (SIZE == 16)
+ fprintf (asmscn->ctx->out.file, "\t.value\t%" PRId16 "\n",
+ (int16_t) num);
+ else if (SIZE == 32)
+ fprintf (asmscn->ctx->out.file, "\t.long\t%" PRId32 "\n",
+ (int32_t) num);
+ else
+ {
+ // XXX This is not necessary for 64-bit machines
+ bool is_leb = (elf_getident (asmscn->ctx->out.elf, NULL)[EI_DATA]
+ == ELFDATA2LSB);
+
+ fprintf (asmscn->ctx->out.file,
+ "\t.long\t%" PRId32 "\n\t.long\t%" PRId32 "\n",
+ (int32_t) (is_leb
+ ? num % 0x100000000ll : num / 0x100000000ll),
+ (int32_t) (is_leb
+ ? num / 0x100000000ll : num % 0x100000000ll));
+ }
+ }
+ else
+ {
+#if SIZE > 8
+ bool is_leb = (elf_getident (asmscn->ctx->out.elf, NULL)[EI_DATA]
+ == ELFDATA2LSB);
+#endif
+ TYPE(SIZE) var = num;
+
+ /* Make sure we have enough room. */
+ if (__libasm_ensure_section_space (asmscn, SIZE / 8) != 0)
+ return -1;
+
+#if SIZE > 8
+ if ((BYTE_ORDER == LITTLE_ENDIAN && !is_leb)
+ || (BYTE_ORDER == BIG_ENDIAN && is_leb))
+ var = BSWAP(SIZE) (var);
+#endif
+
+ /* Copy the variable value. */
+ if (likely (asmscn->type == SHT_NOBITS))
+ memcpy (&asmscn->content->data[asmscn->content->len], &var, SIZE / 8);
+
+ /* Adjust the pointer in the data buffer. */
+ asmscn->content->len += SIZE / 8;
+
+ /* Increment the offset in the (sub)section. */
+ asmscn->offset += SIZE / 8;
+ }
+
+ return 0;
+}
+INTDEF(FCT(SIZE))