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diff --git a/src/readelf.c b/src/readelf.c
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index 9651239..807affc 100644
89be67
--- a/src/readelf.c
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+++ b/src/readelf.c
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@@ -41,6 +41,8 @@ FILE_RCSID("@(#)$File: readelf.c,v 1.90 2011/08/23 08:01:12 christos Exp $")
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 #include "readelf.h"
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 #include "magic.h"
89be67
 
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+#define __arraycount(a) (sizeof(a) / sizeof(a[0]))
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+
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 #ifdef	ELFCORE
89be67
 private int dophn_core(struct magic_set *, int, int, int, off_t, int, size_t,
89be67
     off_t, int *);
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@@ -50,7 +52,7 @@ private int dophn_exec(struct magic_set *, int, int, int, off_t, int, size_t,
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 private int doshn(struct magic_set *, int, int, int, off_t, int, size_t,
89be67
     off_t, int *, int, int);
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 private size_t donote(struct magic_set *, void *, size_t, size_t, int,
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-    int, size_t, int *);
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+    int, size_t, int *, int, off_t, int, off_t);
89be67
 
89be67
 #define	ELF_ALIGN(a)	((((a) + align - 1) / align) * align)
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89be67
@@ -184,6 +186,11 @@ getu64(int swap, uint64_t value)
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 			    elf_getu32(swap, ph32.p_align) : 4) \
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 			 : (off_t) (ph64.p_align ?		\
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 			    elf_getu64(swap, ph64.p_align) : 4)))
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+#define xph_vaddr	(size_t)((clazz == ELFCLASS32		\
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+			 ? (off_t) (ph32.p_vaddr ? 		\
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+			    elf_getu32(swap, ph32.p_vaddr) : 4) \
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+			 : (off_t) (ph64.p_vaddr ?		\
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+			    elf_getu64(swap, ph64.p_vaddr) : 4)))
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 #define xph_filesz	(size_t)((clazz == ELFCLASS32		\
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 			 ? elf_getu32(swap, ph32.p_filesz)	\
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 			 : elf_getu64(swap, ph64.p_filesz)))
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@@ -194,8 +201,8 @@ getu64(int swap, uint64_t value)
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 			 ? elf_getu32(swap, ph32.p_memsz)	\
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 			 : elf_getu64(swap, ph64.p_memsz)))
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 #define xnh_sizeof	(clazz == ELFCLASS32			\
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-			 ? sizeof nh32				\
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-			 : sizeof nh64)
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+			 ? sizeof(nh32)				\
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+			 : sizeof(nh64))
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 #define xnh_type	(clazz == ELFCLASS32			\
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 			 ? elf_getu32(swap, nh32.n_type)	\
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 			 : elf_getu32(swap, nh64.n_type))
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@@ -220,6 +227,18 @@ getu64(int swap, uint64_t value)
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 #define xcap_val	(clazz == ELFCLASS32			\
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 			 ? elf_getu32(swap, cap32.c_un.c_val)	\
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 			 : elf_getu64(swap, cap64.c_un.c_val))
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+#define xauxv_addr	(clazz == ELFCLASS32			\
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+			 ? (void *)&auxv32			\
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+			 : (void *)&auxv64)
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+#define xauxv_sizeof	(clazz == ELFCLASS32			\
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+			 ? sizeof(auxv32)			\
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+			 : sizeof(auxv64))
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+#define xauxv_type	(clazz == ELFCLASS32			\
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+			 ? elf_getu32(swap, auxv32.a_type)	\
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+			 : elf_getu64(swap, auxv64.a_type))
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+#define xauxv_val	(clazz == ELFCLASS32			\
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+			 ? elf_getu32(swap, auxv32.a_v)		\
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+			 : elf_getu64(swap, auxv64.a_v))
89be67
 
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 #ifdef ELFCORE
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 /*
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@@ -306,6 +325,7 @@ private const char os_style_names[][8] = {
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 #define FLAGS_DID_BUILD_ID	0x04
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 #define FLAGS_DID_CORE_STYLE	0x08
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 #define FLAGS_IS_CORE		0x10
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+#define FLAGS_DID_AUXV			0x200
89be67
 
89be67
 private int
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 dophn_core(struct magic_set *ms, int clazz, int swap, int fd, off_t off,
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@@ -316,6 +336,8 @@ dophn_core(struct magic_set *ms, int clazz, int swap, int fd, off_t off,
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 	size_t offset, len;
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 	unsigned char nbuf[BUFSIZ];
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 	ssize_t bufsize;
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+	off_t ph_off = off;
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+	int ph_num = num;
89be67
 
89be67
 	if (size != xph_sizeof) {
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 		if (file_printf(ms, ", corrupted program header size") == -1)
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@@ -355,7 +377,8 @@ dophn_core(struct magic_set *ms, int clazz, int swap, int fd, off_t off,
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 			if (offset >= (size_t)bufsize)
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 				break;
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 			offset = donote(ms, nbuf, offset, (size_t)bufsize,
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-			    clazz, swap, 4, flags);
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+			    clazz, swap, 4, flags, fd, ph_off,
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+			    ph_num, fsize);
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 			if (offset == 0)
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 				break;
89be67
 
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@@ -365,9 +388,160 @@ dophn_core(struct magic_set *ms, int clazz, int swap, int fd, off_t off,
89be67
 }
89be67
 #endif
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+private off_t
89be67
+get_offset_from_virtaddr(struct magic_set *ms, int swap, int clazz, int fd,
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+    off_t off, int num, off_t fsize, uint64_t virtaddr)
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+{
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+	Elf32_Phdr ph32;
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+	Elf64_Phdr ph64;
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+
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+	/*
89be67
+	 * Loop through all the program headers and find the header with
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+	 * virtual address in which the "virtaddr" belongs to.
89be67
+	 */
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+	for ( ; num; num--) {
89be67
+		if (pread(fd, xph_addr, xph_sizeof, off) < (ssize_t)xph_sizeof) {
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+			file_badread(ms);
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+			return -1;
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+		}
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+		off += xph_sizeof;
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+
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+		if (xph_offset > fsize) {
89be67
+			/* Perhaps warn here */
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+			continue;
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+		}
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+
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+		if (virtaddr >= xph_vaddr && virtaddr < xph_vaddr + xph_filesz)
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+			return xph_offset + (virtaddr - xph_vaddr);
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+	}
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+	return 0;
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+}
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+
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+private size_t
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+get_string_on_virtaddr(struct magic_set *ms,
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+    int swap, int clazz, int fd, off_t ph_off, int ph_num,
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+    off_t fsize, uint64_t virtaddr, char *buf, ssize_t buflen)
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+{
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+	char *bptr;
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+	off_t offset;
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+
89be67
+	if (buflen == 0)
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+		return 0;
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+
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+	offset = get_offset_from_virtaddr(ms, swap, clazz, fd, ph_off, ph_num,
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+	    fsize, virtaddr);
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+	if (offset < 0 || (buflen = pread(fd, buf, buflen, offset)) <= 0) {
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+		file_badread(ms);
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+		return 0;
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+	}
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+
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+	buf[buflen - 1] = '\0';
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+
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+	/* We expect only printable characters, so return if buffer contains
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+	 * non-printable character before the '\0' or just '\0'. */
89be67
+	for (bptr = buf; *bptr && isprint((unsigned char)*bptr); bptr++)
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+		continue;
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+	if (*bptr != '\0')
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+		return 0;
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+
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+	return bptr - buf;
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+}
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+
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+
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+private int
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+do_auxv_note(struct magic_set *ms, unsigned char *nbuf, uint32_t type,
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+    int swap, uint32_t namesz __attribute__((__unused__)),
89be67
+    uint32_t descsz __attribute__((__unused__)),
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+    size_t noff __attribute__((__unused__)), size_t doff,
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+    int *flags, size_t size __attribute__((__unused__)), int clazz,
89be67
+    int fd, off_t ph_off, int ph_num, off_t fsize)
89be67
+{
89be67
+#ifdef ELFCORE
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+	Aux32Info auxv32;
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+	Aux64Info auxv64;
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+	size_t elsize = xauxv_sizeof;
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+	const char *tag;
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+	int is_string;
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+	size_t nval;
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+	size_t off;
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+
89be67
+
89be67
+	if (type != NT_AUXV || (*flags & FLAGS_IS_CORE) == 0)
89be67
+		return 0;
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+
89be67
+	*flags |= FLAGS_DID_AUXV;
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+
89be67
+	nval = 0;
89be67
+	for (off = 0; off + elsize <= descsz; off += elsize) {
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+		(void)memcpy(xauxv_addr, &nbuf[doff + off], xauxv_sizeof);
89be67
+		/* Limit processing to 50 vector entries to prevent DoS */
89be67
+		if (nval++ >= 50) {
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+			file_error(ms, 0, "Too many ELF Auxv elements");
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+			return 1;
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+		}
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+
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+		switch(xauxv_type) {
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+		case AT_LINUX_EXECFN:
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+			is_string = 1;
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+			tag = "execfn";
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+			break;
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+		case AT_LINUX_PLATFORM:
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+			is_string = 1;
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+			tag = "platform";
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+			break;
89be67
+		case AT_LINUX_UID:
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+			is_string = 0;
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+			tag = "real uid";
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+			break;
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+		case AT_LINUX_GID:
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+			is_string = 0;
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+			tag = "real gid";
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+			break;
89be67
+		case AT_LINUX_EUID:
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+			is_string = 0;
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+			tag = "effective uid";
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+			break;
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+		case AT_LINUX_EGID:
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+			is_string = 0;
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+			tag = "effective gid";
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+			break;
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+		default:
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+			is_string = 0;
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+			tag = NULL;
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+			break;
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+		}
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+
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+		if (tag == NULL)
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+			continue;
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+
89be67
+		if (is_string) {
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+			char buf[256];
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+			ssize_t buflen;
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+			buflen = get_string_on_virtaddr(ms, swap, clazz, fd,
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+			    ph_off, ph_num, fsize, xauxv_val, buf, sizeof(buf));
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+
89be67
+			if (buflen == 0)
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+				continue;
89be67
+			
89be67
+			if (file_printf(ms, ", %s: '%s'", tag, buf) == -1)
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+				return 0;
89be67
+		} else {
89be67
+			if (file_printf(ms, ", %s: %d", tag, (int) xauxv_val)
89be67
+			    == -1)
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+				return 0;
89be67
+		}
89be67
+	}
89be67
+	return 1;
89be67
+#else
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+	return 0;
89be67
+#endif
89be67
+}
89be67
+
89be67
+
89be67
 private size_t
89be67
 donote(struct magic_set *ms, void *vbuf, size_t offset, size_t size,
89be67
-    int clazz, int swap, size_t align, int *flags)
89be67
+    int clazz, int swap, size_t align, int *flags,
89be67
+	int fd, off_t ph_off, int ph_num, off_t fsize)
89be67
 {
89be67
 	Elf32_Nhdr nh32;
89be67
 	Elf64_Nhdr nh64;
89be67
@@ -390,6 +564,7 @@ donote(struct magic_set *ms, void *vbuf, size_t offset, size_t size,
89be67
 
89be67
 	namesz = xnh_namesz;
89be67
 	descsz = xnh_descsz;
89be67
+
89be67
 	if ((namesz == 0) && (descsz == 0)) {
89be67
 		/*
89be67
 		 * We're out of note headers.
89be67
@@ -438,37 +613,37 @@ donote(struct magic_set *ms, void *vbuf, size_t offset, size_t size,
89be67
 		(void)memcpy(desc, &nbuf[doff], sizeof(desc));
89be67
 
89be67
 		if (file_printf(ms, ", for GNU/") == -1)
89be67
-			return size;
89be67
+			return offset;
89be67
 		switch (elf_getu32(swap, desc[0])) {
89be67
 		case GNU_OS_LINUX:
89be67
 			if (file_printf(ms, "Linux") == -1)
89be67
-				return size;
89be67
+				return offset;
89be67
 			break;
89be67
 		case GNU_OS_HURD:
89be67
 			if (file_printf(ms, "Hurd") == -1)
89be67
-				return size;
89be67
+				return offset;
89be67
 			break;
89be67
 		case GNU_OS_SOLARIS:
89be67
 			if (file_printf(ms, "Solaris") == -1)
89be67
-				return size;
89be67
+				return offset;
89be67
 			break;
89be67
 		case GNU_OS_KFREEBSD:
89be67
 			if (file_printf(ms, "kFreeBSD") == -1)
89be67
-				return size;
89be67
+				return offset;
89be67
 			break;
89be67
 		case GNU_OS_KNETBSD:
89be67
 			if (file_printf(ms, "kNetBSD") == -1)
89be67
-				return size;
89be67
+				return offset;
89be67
 			break;
89be67
 		default:
89be67
 			if (file_printf(ms, "<unknown>") == -1)
89be67
-				return size; 
89be67
+				return offset; 
89be67
 		}
89be67
 		if (file_printf(ms, " %d.%d.%d", elf_getu32(swap, desc[1]),
89be67
 		    elf_getu32(swap, desc[2]), elf_getu32(swap, desc[3])) == -1)
89be67
-			return size;
89be67
+			return offset;
89be67
 		*flags |= FLAGS_DID_NOTE;
89be67
-		return size;
89be67
+		return offset;
89be67
 	}
89be67
 
89be67
 	if (namesz == 4 && strcmp((char *)&nbuf[noff], "GNU") == 0 &&
89be67
@@ -492,7 +667,7 @@ donote(struct magic_set *ms, void *vbuf, size_t offset, size_t size,
89be67
 		desc = elf_getu32(swap, desc);
89be67
 
89be67
 		if (file_printf(ms, ", for NetBSD") == -1)
89be67
-			return size;
89be67
+			return offset;
89be67
 		/*
89be67
 		 * The version number used to be stuck as 199905, and was thus
89be67
 		 * basically content-free.  Newer versions of NetBSD have fixed
89be67
@@ -512,23 +687,23 @@ donote(struct magic_set *ms, void *vbuf, size_t offset, size_t size,
89be67
 			uint32_t ver_maj = desc / 100000000;
89be67
 
89be67
 			if (file_printf(ms, " %u.%u", ver_maj, ver_min) == -1)
89be67
-				return size;
89be67
+				return offset;
89be67
 			if (ver_rel == 0 && ver_patch != 0) {
89be67
 				if (file_printf(ms, ".%u", ver_patch) == -1)
89be67
-					return size;
89be67
+					return offset;
89be67
 			} else if (ver_rel != 0) {
89be67
 				while (ver_rel > 26) {
89be67
 					if (file_printf(ms, "Z") == -1)
89be67
-						return size;
89be67
+						return offset;
89be67
 					ver_rel -= 26;
89be67
 				}
89be67
 				if (file_printf(ms, "%c", 'A' + ver_rel - 1)
89be67
 				    == -1)
89be67
-					return size;
89be67
+					return offset;
89be67
 			}
89be67
 		}
89be67
 		*flags |= FLAGS_DID_NOTE;
89be67
-		return size;
89be67
+		return offset;
89be67
 	}
89be67
 
89be67
 	if (namesz == 8 && strcmp((char *)&nbuf[noff], "FreeBSD") == 0 &&
89be67
@@ -537,7 +712,7 @@ donote(struct magic_set *ms, void *vbuf, size_t offset, size_t size,
89be67
 		(void)memcpy(&desc, &nbuf[doff], sizeof(desc));
89be67
 		desc = elf_getu32(swap, desc);
89be67
 		if (file_printf(ms, ", for FreeBSD") == -1)
89be67
-			return size;
89be67
+			return offset;
89be67
 
89be67
 		/*
89be67
 		 * Contents is __FreeBSD_version, whose relation to OS
89be67
@@ -567,69 +742,69 @@ donote(struct magic_set *ms, void *vbuf, size_t offset, size_t size,
89be67
 		 */
89be67
 		if (desc == 460002) {
89be67
 			if (file_printf(ms, " 4.6.2") == -1)
89be67
-				return size;
89be67
+				return offset;
89be67
 		} else if (desc < 460100) {
89be67
 			if (file_printf(ms, " %d.%d", desc / 100000,
89be67
 			    desc / 10000 % 10) == -1)
89be67
-				return size;
89be67
+				return offset;
89be67
 			if (desc / 1000 % 10 > 0)
89be67
 				if (file_printf(ms, ".%d", desc / 1000 % 10)
89be67
 				    == -1)
89be67
-					return size;
89be67
+					return offset;
89be67
 			if ((desc % 1000 > 0) || (desc % 100000 == 0))
89be67
 				if (file_printf(ms, " (%d)", desc) == -1)
89be67
-					return size;
89be67
+					return offset;
89be67
 		} else if (desc < 500000) {
89be67
 			if (file_printf(ms, " %d.%d", desc / 100000,
89be67
 			    desc / 10000 % 10 + desc / 1000 % 10) == -1)
89be67
-				return size;
89be67
+				return offset;
89be67
 			if (desc / 100 % 10 > 0) {
89be67
 				if (file_printf(ms, " (%d)", desc) == -1)
89be67
-					return size;
89be67
+					return offset;
89be67
 			} else if (desc / 10 % 10 > 0) {
89be67
 				if (file_printf(ms, ".%d", desc / 10 % 10)
89be67
 				    == -1)
89be67
-					return size;
89be67
+					return offset;
89be67
 			}
89be67
 		} else {
89be67
 			if (file_printf(ms, " %d.%d", desc / 100000,
89be67
 			    desc / 1000 % 100) == -1)
89be67
-				return size;
89be67
+				return offset;
89be67
 			if ((desc / 100 % 10 > 0) ||
89be67
 			    (desc % 100000 / 100 == 0)) {
89be67
 				if (file_printf(ms, " (%d)", desc) == -1)
89be67
-					return size;
89be67
+					return offset;
89be67
 			} else if (desc / 10 % 10 > 0) {
89be67
 				if (file_printf(ms, ".%d", desc / 10 % 10)
89be67
 				    == -1)
89be67
-					return size;
89be67
+					return offset;
89be67
 			}
89be67
 		}
89be67
 		*flags |= FLAGS_DID_NOTE;
89be67
-		return size;
89be67
+		return offset;
89be67
 	}
89be67
 
89be67
 	if (namesz == 8 && strcmp((char *)&nbuf[noff], "OpenBSD") == 0 &&
89be67
 	    xnh_type == NT_OPENBSD_VERSION && descsz == 4) {
89be67
 		if (file_printf(ms, ", for OpenBSD") == -1)
89be67
-			return size;
89be67
+			return offset;
89be67
 		/* Content of note is always 0 */
89be67
 		*flags |= FLAGS_DID_NOTE;
89be67
-		return size;
89be67
+		return offset;
89be67
 	}
89be67
 
89be67
 	if (namesz == 10 && strcmp((char *)&nbuf[noff], "DragonFly") == 0 &&
89be67
 	    xnh_type == NT_DRAGONFLY_VERSION && descsz == 4) {
89be67
 		uint32_t desc;
89be67
 		if (file_printf(ms, ", for DragonFly") == -1)
89be67
-			return size;
89be67
+			return offset;
89be67
 		(void)memcpy(&desc, &nbuf[doff], sizeof(desc));
89be67
 		desc = elf_getu32(swap, desc);
89be67
 		if (file_printf(ms, " %d.%d.%d", desc / 100000,
89be67
 		    desc / 10000 % 10, desc % 10000) == -1)
89be67
-			return size;
89be67
+			return offset;
89be67
 		*flags |= FLAGS_DID_NOTE;
89be67
-		return size;
89be67
+		return offset;
89be67
 	}
89be67
 
89be67
 core:
89be67
@@ -661,14 +836,22 @@ core:
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 		os_style = OS_STYLE_NETBSD;
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 	}
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+	if ((*flags & FLAGS_DID_AUXV) == 0) {
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+		if (do_auxv_note(ms, nbuf, xnh_type, swap,
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+			namesz, descsz, noff, doff, flags, size, clazz,
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+			fd, ph_off, ph_num, fsize))
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+			return offset;
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+	}
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+
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+
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 #ifdef ELFCORE
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 	if ((*flags & FLAGS_DID_CORE) != 0)
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-		return size;
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+		return offset;
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 	if (os_style != -1 && (*flags & FLAGS_DID_CORE_STYLE) == 0) {
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 		if (file_printf(ms, ", %s-style", os_style_names[os_style])
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 		    == -1)
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-			return size;
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+			return offset;
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 		*flags |= FLAGS_DID_CORE_STYLE;
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 	}
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@@ -683,7 +866,7 @@ core:
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 			 */
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 			if (file_printf(ms, ", from '%.31s'",
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 			    &nbuf[doff + 0x7c]) == -1)
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-				return size;
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+				return offset;
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 			/*
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 			 * Extract the signal number.  It is at
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@@ -693,9 +876,9 @@ core:
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 			    sizeof(signo));
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 			if (file_printf(ms, " (signal %u)",
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 			    elf_getu32(swap, signo)) == -1)
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-				return size;
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+				return offset;
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 			*flags |= FLAGS_DID_CORE;
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-			return size;
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+			return offset;
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 		}
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 		break;
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@@ -793,9 +976,9 @@ core:
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 					cp--;
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 				if (file_printf(ms, ", from '%.*s'",
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 				    (int)(cp - cname), cname) == -1)
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-					return size;
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+					return offset;
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 				*flags |= FLAGS_DID_CORE;
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-				return size;
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+				return offset;
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 			tryanother:
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 				;
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@@ -936,7 +1119,7 @@ doshn(struct magic_set *ms, int clazz, int swap, int fd, off_t off, int num,
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 				if (noff >= (off_t)xsh_size)
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 					break;
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 				noff = donote(ms, nbuf, (size_t)noff,
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-				    xsh_size, clazz, swap, 4, flags);
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+				    xsh_size, clazz, swap, 4, flags, 0, 0, 0, 0);
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 				if (noff == 0)
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 					break;
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 			}
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@@ -1130,7 +1313,7 @@ dophn_exec(struct magic_set *ms, int clazz, int swap, int fd, off_t off,
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 					break;
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 				offset = donote(ms, nbuf, offset,
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 				    (size_t)bufsize, clazz, swap, align,
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-				    flags);
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+				    flags, 0, 0, 0, 0);
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 				if (offset == 0)
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 					break;
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 			}
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diff --git a/src/readelf.h b/src/readelf.h
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index ab4b5d1..fb34585 100644
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--- a/src/readelf.h
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+++ b/src/readelf.h
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@@ -62,6 +62,42 @@ typedef uint8_t		Elf64_Char;
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 #define	EI_NIDENT	16
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 typedef struct {
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+	Elf32_Word	a_type;		/* 32-bit id */
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+	Elf32_Word	a_v;		/* 32-bit id */
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+} Aux32Info;
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+
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+typedef struct {
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+	Elf64_Xword	a_type;		/* 64-bit id */
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+	Elf64_Xword	a_v;		/* 64-bit id */
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+} Aux64Info;
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+
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+#define AT_NULL   0     /* end of vector */
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+#define AT_IGNORE 1     /* entry should be ignored */
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+#define AT_EXECFD 2     /* file descriptor of program */
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+#define AT_PHDR   3     /* program headers for program */
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+#define AT_PHENT  4     /* size of program header entry */
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+#define AT_PHNUM  5     /* number of program headers */
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+#define AT_PAGESZ 6     /* system page size */
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+#define AT_BASE   7     /* base address of interpreter */
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+#define AT_FLAGS  8     /* flags */
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+#define AT_ENTRY  9     /* entry point of program */
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+#define AT_LINUX_NOTELF 10    /* program is not ELF */
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+#define AT_LINUX_UID    11    /* real uid */
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+#define AT_LINUX_EUID   12    /* effective uid */
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+#define AT_LINUX_GID    13    /* real gid */
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+#define AT_LINUX_EGID   14    /* effective gid */
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+#define AT_LINUX_PLATFORM 15  /* string identifying CPU for optimizations */
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+#define AT_LINUX_HWCAP  16    /* arch dependent hints at CPU capabilities */
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+#define AT_LINUX_CLKTCK 17    /* frequency at which times() increments */
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+/* AT_* values 18 through 22 are reserved */
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+#define AT_LINUX_SECURE 23   /* secure mode boolean */
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+#define AT_LINUX_BASE_PLATFORM 24     /* string identifying real platform, may
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+                                 * differ from AT_PLATFORM. */
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+#define AT_LINUX_RANDOM 25    /* address of 16 random bytes */
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+#define AT_LINUX_HWCAP2 26    /* extension of AT_HWCAP */
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+#define AT_LINUX_EXECFN 31   /* filename of program */
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+
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+typedef struct {
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     Elf32_Char	e_ident[EI_NIDENT];
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     Elf32_Half	e_type;
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     Elf32_Half	e_machine;