ext: Update libelf from elftoolchain 0.7.1

Change-Id: I8f86cd918ad01897c42aa479f9c64520def36830 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/50927 Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Reviewed-by: Austin Harris <mail@austin-harris.com> Reviewed-by: Hoa Nguyen <hoanguyen@ucdavis.edu> Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu> Maintainer: Jason Lowe-Power <power.jg@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com>
2021-09-24 17:42:02 -05:00
parent 74c6297453
commit 2b69ff2afc
71 changed files with 9764 additions and 5335 deletions
--- a/ext/libelf/gelf_move.c
+++ b/ext/libelf/gelf_move.c
@@ -0,0 +1,159 @@
+/*-
+ * Copyright (c) 2006,2008 Joseph Koshy
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <assert.h>
+#include <gelf.h>
+#include <limits.h>
+#include <stdint.h>
+
+#include "_libelf.h"
+
+ELFTC_VCSID("$Id: gelf_move.c 3177 2015-03-30 18:19:41Z emaste $");
+
+GElf_Move *
+gelf_getmove(Elf_Data *ed, int ndx, GElf_Move *dst)
+{
+	int ec;
+	Elf *e;
+	size_t msz;
+	Elf_Scn *scn;
+	uint32_t sh_type;
+	Elf32_Move *move32;
+	Elf64_Move *move64;
+	struct _Libelf_Data *d;
+
+	d = (struct _Libelf_Data *) ed;
+
+	if (d == NULL || ndx < 0 || dst == NULL ||
+	    (scn = d->d_scn) == NULL ||
+	    (e = scn->s_elf) == NULL) {
+		LIBELF_SET_ERROR(ARGUMENT, 0);
+		return (NULL);
+	}
+
+	ec = e->e_class;
+	assert(ec == ELFCLASS32 || ec == ELFCLASS64);
+
+	if (ec == ELFCLASS32)
+		sh_type = scn->s_shdr.s_shdr32.sh_type;
+	else
+		sh_type = scn->s_shdr.s_shdr64.sh_type;
+
+	if (_libelf_xlate_shtype(sh_type) != ELF_T_MOVE) {
+		LIBELF_SET_ERROR(ARGUMENT, 0);
+		return (NULL);
+	}
+
+	msz = _libelf_msize(ELF_T_MOVE, ec, e->e_version);
+
+	assert(msz > 0);
+	assert(ndx >= 0);
+
+	if (msz * (size_t) ndx >= d->d_data.d_size) {
+		LIBELF_SET_ERROR(ARGUMENT, 0);
+		return (NULL);
+	}
+
+	if (ec == ELFCLASS32) {
+
+		move32 = (Elf32_Move *) d->d_data.d_buf + ndx;
+
+		dst->m_value   = move32->m_value;
+		dst->m_info    = (Elf64_Xword) move32->m_info;
+		dst->m_poffset = (Elf64_Xword) move32->m_poffset;
+		dst->m_repeat  = move32->m_repeat;
+		dst->m_stride = move32->m_stride;
+	} else {
+
+		move64 = (Elf64_Move *) d->d_data.d_buf + ndx;
+
+		*dst = *move64;
+	}
+
+	return (dst);
+}
+
+int
+gelf_update_move(Elf_Data *ed, int ndx, GElf_Move *gm)
+{
+	int ec;
+	Elf *e;
+	size_t msz;
+	Elf_Scn *scn;
+	uint32_t sh_type;
+	Elf32_Move *move32;
+	Elf64_Move *move64;
+	struct _Libelf_Data *d;
+
+	d = (struct _Libelf_Data *) ed;
+
+	if (d == NULL || ndx < 0 || gm == NULL ||
+	    (scn = d->d_scn) == NULL ||
+	    (e = scn->s_elf) == NULL) {
+		LIBELF_SET_ERROR(ARGUMENT, 0);
+		return (0);
+	}
+
+	ec = e->e_class;
+	assert(ec == ELFCLASS32 || ec == ELFCLASS64);
+
+	if (ec == ELFCLASS32)
+		sh_type = scn->s_shdr.s_shdr32.sh_type;
+	else
+		sh_type = scn->s_shdr.s_shdr64.sh_type;
+
+	if (_libelf_xlate_shtype(sh_type) != ELF_T_MOVE) {
+		LIBELF_SET_ERROR(ARGUMENT, 0);
+		return (0);
+	}
+
+	msz = _libelf_msize(ELF_T_MOVE, ec, e->e_version);
+
+	assert(msz > 0);
+	assert(ndx >= 0);
+
+	if (msz * (size_t) ndx >= d->d_data.d_size) {
+		LIBELF_SET_ERROR(ARGUMENT, 0);
+		return (0);
+	}
+
+	if (ec == ELFCLASS32) {
+		move32 = (Elf32_Move *) d->d_data.d_buf + ndx;
+
+		move32->m_value  = gm->m_value;
+		LIBELF_COPY_U32(move32, gm, m_info);
+		LIBELF_COPY_U32(move32, gm, m_poffset);
+		move32->m_repeat  = gm->m_repeat;
+		move32->m_stride = gm->m_stride;
+
+	} else {
+		move64 = (Elf64_Move *) d->d_data.d_buf + ndx;
+
+		*move64 = *gm;
+	}
+
+	return (1);
+}