1 files changed, 83 insertions, 0 deletions
diff --git a/libelf/lib/rawdata.c b/libelf/lib/rawdata.c
new file mode 100755
index 000000000..c2b26ed35
--- /dev/null
+++ b/libelf/lib/rawdata.c
@@ -0,0 +1,83 @@
+/*
+rawdata.c - implementation of the elf_rawdata(3) function.
+Copyright (C) 1995, 1996 Michael Riepe <michael@stud.uni-hannover.de>
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+This library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include <private.h>
+
+Elf_Data*
+elf_rawdata(Elf_Scn *scn, Elf_Data *data) {
+    Scn_Data *sd;
+    Elf *elf;
+
+    if (!scn) {
+	return NULL;
+    }
+    elf_assert(scn->s_magic == SCN_MAGIC);
+    elf = scn->s_elf;
+    elf_assert(elf);
+    elf_assert(elf->e_magic == ELF_MAGIC);
+    if (!elf->e_readable) {
+	return NULL;
+    }
+    else if (scn->s_index == SHN_UNDEF || scn->s_type == SHT_NULL) {
+	seterr(ERROR_NULLSCN);
+    }
+    else if (data) {
+	return NULL;
+    }
+    else if ((sd = scn->s_rawdata)) {
+	return (Elf_Data*)sd;
+    }
+    else if (scn->s_offset < 0 || scn->s_offset > elf->e_size) {
+	seterr(ERROR_OUTSIDE);
+    }
+    else if (scn->s_type != SHT_NOBITS
+	    && scn->s_offset + scn->s_size > elf->e_size) {
+	seterr(ERROR_TRUNC_SCN);
+    }
+    else if (!(sd = (Scn_Data*)malloc(sizeof(*sd)))) {
+	seterr(ERROR_MEM_SCNDATA);
+    }
+    else {
+	*sd = _elf_data_init;
+	sd->sd_scn = scn;
+	sd->sd_freeme = 1;
+	sd->sd_data.d_size = scn->s_size;
+	sd->sd_data.d_version = _elf_version;
+	if (scn->s_type != SHT_NOBITS && scn->s_size) {
+	    if (!(sd->sd_memdata = (char*)malloc(scn->s_size))) {
+		seterr(ERROR_IO_2BIG);
+		free(sd);
+		return NULL;
+	    }
+	    else if (elf->e_rawdata) {
+		memcpy(sd->sd_memdata, elf->e_rawdata + scn->s_offset, scn->s_size);
+	    }
+	    else if (!_elf_read(elf, sd->sd_memdata, scn->s_offset, scn->s_size)) {
+		free(sd->sd_memdata);
+		free(sd);
+		return NULL;
+	    }
+	    sd->sd_data.d_buf = sd->sd_memdata;
+	    sd->sd_free_data = 1;
+	}
+	scn->s_rawdata = sd;
+	return (Elf_Data*)sd;
+    }
+    return NULL;
+}