From 6196feeeb7d8743c28cfc0d555e2b15e47200322 Mon Sep 17 00:00:00 2001 From: Fredrik Fornwall Date: Sat, 11 Jan 2020 00:51:36 +0100 Subject: [PATCH] Add some more ElfDynamicSection constants --- .../net/fornwall/jelf/ElfDynamicSection.java | 533 ++++++++++-------- .../java/net/fornwall/jelf/BasicTest.java | 8 + 2 files changed, 317 insertions(+), 224 deletions(-) diff --git a/src/main/java/net/fornwall/jelf/ElfDynamicSection.java b/src/main/java/net/fornwall/jelf/ElfDynamicSection.java index 1e30d66..4d5a1f5 100644 --- a/src/main/java/net/fornwall/jelf/ElfDynamicSection.java +++ b/src/main/java/net/fornwall/jelf/ElfDynamicSection.java @@ -1,239 +1,324 @@ package net.fornwall.jelf; -import java.io.IOException; import java.util.ArrayList; import java.util.List; /** * An {@link ElfSection} with information necessary for dynamic linking. - * - * This section contains a list of {@link ElfDynamicStructure} - * + *

+ * Given an {@link ElfFile}, use {@link ElfFile#getDynamicSection()} to obtain the dynamic section for it if one exists, + * which it only does if the ELF file is an object file participating in dynamic linking. + *

+ * This dynamic linking section contains a list of {@link ElfDynamicStructure}:s. * 

- * typedef struct { Elf32_Sword d_tag; union { Elf32_Word d_val; Elf32_Addr d_ptr; } d_un; } Elf32_Dyn;
- * extern Elf32_Dyn _DYNAMIC[];
- * 
- * typedef struct { Elf64_Sxword d_tag; union { Elf64_Xword d_val; Elf64_Addr d_ptr; } d_un; } Elf64_Dyn;
- * extern Elf64_Dyn _DYNAMIC[];
- *
- * - * 
- * http://www.sco.com/developers/gabi/latest/ch5.dynamic.html:
- * 
- * Name	        		Value		d_un		Executable	Shared Object
+ * Name                     Value  d_un         Executable   Shared Object
  * ----------------------------------------------------------------------
- * DT_NULL	    		0			ignored		mandatory	mandatory
- * DT_NEEDED			1			d_val		optional	optional
- * DT_PLTRELSZ			2			d_val		optional	optional
- * DT_PLTGOT			3			d_ptr		optional	optional
- * DT_HASH				4			d_ptr		mandatory	mandatory
- * DT_STRTAB			5			d_ptr		mandatory	mandatory
- * DT_SYMTAB			6			d_ptr		mandatory	mandatory
- * DT_RELA				7			d_ptr		mandatory	optional
- * DT_RELASZ			8			d_val		mandatory	optional
- * DT_RELAENT			9			d_val		mandatory	optional
- * DT_STRSZ				10			d_val		mandatory	mandatory
- * DT_SYMENT			11			d_val		mandatory	mandatory
- * DT_INIT  			12			d_ptr		optional	optional
- * DT_FINI	    		13			d_ptr		optional	optional
- * DT_SONAME			14			d_val		ignored		optional
- * DT_RPATH*			15			d_val		optional	ignored
- * DT_SYMBOLIC*			16			ignored		ignored		optional
- * DT_REL	    		17			d_ptr		mandatory	optional
- * DT_RELSZ	    		18			d_val		mandatory	optional
- * DT_RELENT			19			d_val		mandatory	optional
- * DT_PLTREL			20			d_val		optional	optional
- * DT_DEBUG	    		21			d_ptr		optional	ignored
- * DT_TEXTREL*			22			ignored		optional	optional
- * DT_JMPREL			23			d_ptr		optional	optional
- * DT_BIND_NOW*			24			ignored		optional	optional
- * DT_INIT_ARRAY		25			d_ptr		optional	optional
- * DT_FINI_ARRAY		26			d_ptr		optional	optional
- * DT_INIT_ARRAYSZ		27			d_val		optional	optional
- * DT_FINI_ARRAYSZ		28			d_val		optional	optional
- * DT_RUNPATH			29			d_val		optional	optional
- * DT_FLAGS				30			d_val		optional	optional
- * DT_ENCODING			32			unspecified	unspecified	unspecified
- * DT_PREINIT_ARRAY		32			d_ptr		optional	ignored
- * DT_PREINIT_ARRAYSZ	33			d_val		optional	ignored
- * DT_LOOS				0x6000000D	unspecified	unspecified	unspecified
- * DT_HIOS				0x6ffff000	unspecified	unspecified	unspecified
- * DT_LOPROC			0x70000000	unspecified	unspecified	unspecified
- * DT_HIPROC			0x7fffffff	unspecified	unspecified	unspecified
+ * DT_NULL                      0  ignored      mandatory    mandatory
+ * DT_NEEDED                    1  d_val        optional     optional
+ * DT_PLTRELSZ                  2  d_val        optional     optional
+ * DT_PLTGOT                    3  d_ptr        optional     optional
+ * DT_HASH                      4  d_ptr        mandatory    mandatory
+ * DT_STRTAB                    5  d_ptr        mandatory    mandatory
+ * DT_SYMTAB                    6  d_ptr        mandatory    mandatory
+ * DT_RELA                      7  d_ptr        mandatory    optional
+ * DT_RELASZ                    8  d_val        mandatory    optional
+ * DT_RELAENT                   9  d_val        mandatory    optional
+ * DT_STRSZ                    10  d_val        mandatory    mandatory
+ * DT_SYMENT                   11  d_val        mandatory    mandatory
+ * DT_INIT                     12  d_ptr        optional     optional
+ * DT_FINI                     13  d_ptr        optional     optional
+ * DT_SONAME                   14  d_val        ignored      optional
+ * DT_RPATH*                   15  d_val        optional     ignored
+ * DT_SYMBOLIC*                16  ignored      ignored      optional
+ * DT_REL                      17  d_ptr        mandatory    optional
+ * DT_RELSZ                    18  d_val        mandatory    optional
+ * DT_RELENT                   19  d_val        mandatory    optional
+ * DT_PLTREL                   20  d_val        optional     optional
+ * DT_DEBUG                    21  d_ptr        optional     ignored
+ * DT_TEXTREL*                 22  ignored      optional     optional
+ * DT_JMPREL                   23  d_ptr        optional     optional
+ * DT_BIND_NOW*                24  ignored      optional     optional
+ * DT_INIT_ARRAY               25  d_ptr        optional     optional
+ * DT_FINI_ARRAY               26  d_ptr        optional     optional
+ * DT_INIT_ARRAYSZ             27  d_val        optional     optional
+ * DT_FINI_ARRAYSZ             28  d_val        optional     optional
+ * DT_RUNPATH                  29  d_val        optional     optional
+ * DT_FLAGS                    30  d_val        optional     optional
+ * DT_ENCODING                 32  unspecified  unspecified  unspecified
+ * DT_PREINIT_ARRAY            32  d_ptr        optional     ignored
+ * DT_PREINIT_ARRAYSZ          33  d_val        optional     ignored
+ * DT_LOOS             0x6000000D  unspecified  unspecified  unspecified
+ * DT_HIOS             0x6ffff000  unspecified  unspecified  unspecified
+ * DT_LOPROC           0x70000000  unspecified  unspecified  unspecified
+ * DT_HIPROC           0x7fffffff  unspecified  unspecified  unspecified
+ * "*" Signifies an entry that is at level 2.
  *
+ *

+ * Read more about dynamic sections at Dynamic Section. */ public class ElfDynamicSection extends ElfSection { - public static final int DT_NULL = 0; - public static final int DT_NEEDED = 1; - public static final int DT_PLTRELSZ = 2; - public static final int DT_PLTGOT = 3; - public static final int DT_HASH = 4; - /** DT_STRTAB entry holds the address, not offset, of the dynamic string table. */ - public static final int DT_STRTAB = 5; - public static final int DT_SYMTAB = 6; - public static final int DT_RELA = 7; - public static final int DT_RELASZ = 8; - public static final int DT_RELAENT = 9; - /** The size in bytes of the {@link #DT_STRTAB} string table. */ - public static final int DT_STRSZ = 10; - public static final int DT_SYMENT = 11; - public static final int DT_INIT = 12; - public static final int DT_FINI = 13; - public static final int DT_SONAME = 14; - public static final int DT_RPATH = 15; - public static final int DT_RUNPATH = 29; - public static final int DT_GNU_HASH = 0x6ffffef5; - public static final int DT_FLAGS_1 = 0x6ffffffb; - public static final int DT_VERDEF = 0x6ffffffc; /* Address of version definition */ - public static final int DT_VERDEFNUM = 0x6ffffffd; /* Number of version definitions */ - public static final int DT_VERNEEDED = 0x6ffffffe; - public static final int DT_VERNEEDNUM = 0x6fffffff; - - /** Some values of {@link #DT_FLAGS_1}. */ - public static final int DF_1_NOW = 0x00000001; /* Set RTLD_NOW for this object. */ - public static final int DF_1_GLOBAL = 0x00000002; /* Set RTLD_GLOBAL for this object. */ - public static final int DF_1_GROUP = 0x00000004; /* Set RTLD_GROUP for this object. */ - public static final int DF_1_NODELETE = 0x00000008; /* Set RTLD_NODELETE for this object. */ - - /** For the {@link #DT_STRTAB}. Mandatory. */ - public long dt_strtab_offset; - /** For the {@link #DT_STRSZ}. Mandatory. */ - public int dt_strtab_size; - - private MemoizedObject dtStringTable; - private final int[] dtNeeded; - public final List entries = new ArrayList<>(); - - /** - * An entry in the {@link #entries} of a {@link ElfDynamicSection}. - * - * In the elf.h header file this represents either of the following structures: - * - * 

-	 * typedef struct {
-	 *     Elf32_Sword d_tag;
-	 *     union {
-	 *         Elf32_Word      d_val;
-	 *         Elf32_Addr      d_ptr;
-	 *         Elf32_Off       d_off;
-	 *     } d_un;
-	 * } Elf32_Dyn;
-	 *
-	 * typedef struct {
-	 *     Elf64_Xword d_tag;
-	 *     union {
-	 *         Elf64_Xword d_val;
-	 *         Elf64_Addr d_ptr;
-	 *     } d_un;
-	 * } Elf64_Dyn;
-	 *
- */ - public static class ElfDynamicStructure { - public ElfDynamicStructure(long d_tag, long d_val_or_ptr) { - this.tag = d_tag; - this.d_val_or_ptr = d_val_or_ptr; - } - - /** + /** + * An entry with a DT_NULL tag marks the end of the _DYNAMIC array. + */ + public static final int DT_NULL = 0; + /** + * This element holds the string table offset of a null-terminated string, giving the + * name of a needed library. The offset is an index into the table recorded in the + * {@link #DT_STRTAB} code. + *

+ * See Shared Object Dependencies for more information about these names. + *

+ * The dynamic array may contain multiple entries with this type. + *

+ * These entries' relative order is significant, though their relation to entries of other types is not. + */ + public static final int DT_NEEDED = 1; + public static final int DT_PLTRELSZ = 2; + public static final int DT_PLTGOT = 3; + public static final int DT_HASH = 4; + /** + * DT_STRTAB entry holds the address, not offset, of the dynamic string table. + */ + public static final int DT_STRTAB = 5; + public static final int DT_SYMTAB = 6; + public static final int DT_RELA = 7; + public static final int DT_RELASZ = 8; + public static final int DT_RELAENT = 9; + /** + * The size in bytes of the {@link #DT_STRTAB} string table. + */ + public static final int DT_STRSZ = 10; + public static final int DT_SYMENT = 11; + public static final int DT_INIT = 12; + public static final int DT_FINI = 13; + public static final int DT_SONAME = 14; + public static final int DT_RPATH = 15; + public static final int DT_SYMBOLIC = 16; + public static final int DT_REL = 17; + public static final int DT_RELSZ = 18; + public static final int DT_RELENT = 19; + public static final int DT_PLTREL = 20; + public static final int DT_DEBUG = 21; + public static final int DT_TEXTREL = 22; + public static final int DT_JMPREL = 23; + public static final int DT_BIND_NOW = 24; + public static final int DT_INIT_ARRAY = 25; + public static final int DT_FINI_ARRAY = 26; + public static final int DT_INIT_ARRAYSZ = 27; + public static final int DT_FINI_ARRAYSZ = 28; + public static final int DT_RUNPATH = 29; + public static final int DT_FLAGS = 30; + public static final int DT_PREINIT_ARRAY = 32; + public static final int DT_GNU_HASH = 0x6ffffef5; + public static final int DT_FLAGS_1 = 0x6ffffffb; + public static final int DT_VERDEF = 0x6ffffffc; /* Address of version definition */ + public static final int DT_VERDEFNUM = 0x6ffffffd; /* Number of version definitions */ + public static final int DT_VERNEEDED = 0x6ffffffe; + public static final int DT_VERNEEDNUM = 0x6fffffff; + + public static final int DF_ORIGIN = 0x1; + public static final int DF_SYMBOLIC = 0x2; + public static final int DF_TEXTREL = 0x4; + public static final int DF_BIND_NOW = 0x8; + + /** + * Set RTLD_NOW for this object. + */ + public static final int DF_1_NOW = 0x00000001; + /** + * Set RTLD_GLOBAL for this object. + */ + public static final int DF_1_GLOBAL = 0x00000002; + /** + * Set RTLD_GROUP for this object. + */ + public static final int DF_1_GROUP = 0x00000004; + /** + * Set RTLD_NODELETE for this object. + */ + public static final int DF_1_NODELETE = 0x00000008; + public static final int DF_1_LOADFLTR = 0x00000010; + public static final int DF_1_INITFIRST = 0x00000020; + /** + * Object can not be used with dlopen(3) + */ + public static final int DF_1_NOOPEN = 0x00000040; + public static final int DF_1_ORIGIN = 0x00000080; + public static final int DF_1_DIRECT = 0x00000100; + public static final int DF_1_TRANS = 0x00000200; + public static final int DF_1_INTERPOSE = 0x00000400; + public static final int DF_1_NODEFLIB = 0x00000800; + /** + * Object cannot be dumped with dldump(3) + */ + public static final int DF_1_NODUMP = 0x00001000; + public static final int DF_1_CONFALT = 0x00002000; + public static final int DF_1_ENDFILTEE = 0x00004000; + public static final int DF_1_DISPRELDNE = 0x00008000; + public static final int DF_1_DISPRELPND = 0x00010000; + public static final int DF_1_NODIRECT = 0x00020000; + public static final int DF_1_IGNMULDEF = 0x00040000; + public static final int DF_1_NOKSYMS = 0x00080000; + public static final int DF_1_NOHDR = 0x00100000; + public static final int DF_1_EDITED = 0x00200000; + public static final int DF_1_NORELOC = 0x00400000; + public static final int DF_1_SYMINTPOSE = 0x00800000; + public static final int DF_1_GLOBAUDIT = 0x01000000; + public static final int DF_1_SINGLETON = 0x02000000; + public static final int DF_1_STUB = 0x04000000; + public static final int DF_1_PIE = 0x08000000; + + /** + * For the {@link #DT_STRTAB}. Mandatory. + */ + public long dt_strtab_offset; + + /** + * For the {@link #DT_STRSZ}. Mandatory. + */ + public int dt_strtab_size; + + private MemoizedObject dtStringTable; + public final List entries = new ArrayList<>(); + + /** + * An entry in the {@link #entries} of a {@link ElfDynamicSection}. + *

+ * In the elf.h header file this represents either of the following structures: + * + * 

+     * typedef struct {
+     *     Elf32_Sword d_tag;
+     *     union {
+     *         Elf32_Word      d_val;
+     *         Elf32_Addr      d_ptr;
+     *         Elf32_Off       d_off;
+     *     } d_un;
+     * } Elf32_Dyn;
+     *
+     * typedef struct {
+     *     Elf64_Xword d_tag;
+     *     union {
+     *         Elf64_Xword d_val;
+     *         Elf64_Addr d_ptr;
+     *     } d_un;
+     * } Elf64_Dyn;
+     *
+ */ + public static class ElfDynamicStructure { + public ElfDynamicStructure(long d_tag, long d_val_or_ptr) { + this.tag = d_tag; + this.d_val_or_ptr = d_val_or_ptr; + } + + /** * A tag value whose value defines how to interpret {@link #d_val_or_ptr}. - * - * One of the DT_* constants in {@link ElfDynamicSection}. - */ - public final long tag; - /** - * A field whose value is to be interpreted as specified by the {@link #tag}. - */ - public final long d_val_or_ptr; - - @Override - public int hashCode() { - final int prime = 31; - int result = 1; - result = prime * result + (int) (tag ^ (tag >>> 32)); - result = prime * result + (int) (d_val_or_ptr ^ (d_val_or_ptr >>> 32)); - return result; - } - - @Override - public boolean equals(Object obj) { - if (this == obj) return true; - if (obj == null) return false; - if (getClass() != obj.getClass()) return false; - ElfDynamicStructure other = (ElfDynamicStructure) obj; - if (tag != other.tag) return false; - return d_val_or_ptr == other.d_val_or_ptr; - } - - @Override - public String toString() { - return "ElfDynamicSectionEntry[" + tag + ", " + d_val_or_ptr + "]"; - } - } - - public ElfDynamicSection(final ElfParser parser, ElfSectionHeader header) { - super(header); - - parser.seek(header.section_offset); - int numEntries = (int) (header.size / 8); - - List dtNeededList = new ArrayList<>(); - // Except for the DT_NULL element at the end of the array, and the relative order of DT_NEEDED elements, entries - // may appear in any order. So important to use lazy evaluation to only evaluating e.g. DT_STRTAB after the - // necessary DT_STRSZ is read. - loop: for (int i = 0; i < numEntries; i++) { - long d_tag = parser.readIntOrLong(); - final long d_val_or_ptr = parser.readIntOrLong(); - entries.add(new ElfDynamicStructure(d_tag, d_val_or_ptr)); - switch ((int) d_tag) { - case DT_NULL: - // A DT_NULL element ends the array (may be following DT_NULL values, but no need to look at them). - break loop; - case DT_NEEDED: - dtNeededList.add((int) d_val_or_ptr); - break; - case DT_STRTAB: { - dtStringTable = new MemoizedObject() { - @Override - protected ElfStringTable computeValue() throws ElfException { - long fileOffsetForStringTable = parser.virtualMemoryAddrToFileOffset(d_val_or_ptr); - return new ElfStringTable(parser, fileOffsetForStringTable, dt_strtab_size, null); // FIXME: null header - } - }; - dt_strtab_offset = d_val_or_ptr; - } - break; - case DT_STRSZ: - if (d_val_or_ptr > Integer.MAX_VALUE) throw new ElfException("Too large DT_STRSZ: " + d_val_or_ptr); - dt_strtab_size = (int) d_val_or_ptr; - break; - } - } - - dtNeeded = new int[dtNeededList.size()]; - for (int i = 0, len = dtNeeded.length; i < len; i++) - dtNeeded[i] = dtNeededList.get(i); - } - - public List getNeededLibraries() throws ElfException, IOException { - List result = new ArrayList<>(); - ElfStringTable stringTable = dtStringTable.getValue(); - for (int value : dtNeeded) result.add(stringTable.get(value)); - return result; - } - - public String getRunPath() throws IOException { - for (ElfDynamicStructure entry : entries) { - if (entry.tag == DT_RUNPATH) { - ElfStringTable stringTable = dtStringTable.getValue(); - return stringTable.get((int) entry.d_val_or_ptr); - } - } - return null; - } - - @Override - public String toString() { - return "ElfDynamicStructure[]"; - } + *

+ * One of the DT_* constants in {@link ElfDynamicSection}. + */ + public final long tag; + /** + * A field whose value is to be interpreted as specified by the {@link #tag}. + */ + public final long d_val_or_ptr; + + @Override + public int hashCode() { + final int prime = 31; + int result = 1; + result = prime * result + (int) (tag ^ (tag >>> 32)); + result = prime * result + (int) (d_val_or_ptr ^ (d_val_or_ptr >>> 32)); + return result; + } + + @Override + public boolean equals(Object obj) { + if (this == obj) return true; + if (obj == null) return false; + if (getClass() != obj.getClass()) return false; + ElfDynamicStructure other = (ElfDynamicStructure) obj; + if (tag != other.tag) return false; + return d_val_or_ptr == other.d_val_or_ptr; + } + + @Override + public String toString() { + return "ElfDynamicSectionEntry{tag=" + tag + ", d_val_or_ptr=" + d_val_or_ptr + "}"; + } + } + + public ElfDynamicSection(final ElfParser parser, ElfSectionHeader header) { + super(header); + + parser.seek(header.section_offset); + int numEntries = (int) (header.size / 8); + + // Except for the DT_NULL element at the end of the array, and the relative order of DT_NEEDED elements, entries + // may appear in any order. So important to use lazy evaluation to only evaluating e.g. DT_STRTAB after the + // necessary DT_STRSZ is read. + loop: + for (int i = 0; i < numEntries; i++) { + long d_tag = parser.readIntOrLong(); + final long d_val_or_ptr = parser.readIntOrLong(); + entries.add(new ElfDynamicStructure(d_tag, d_val_or_ptr)); + switch ((int) d_tag) { + case DT_NULL: + // A DT_NULL element ends the array (may be following DT_NULL values, but no need to look at them). + break loop; + case DT_STRTAB: { + dtStringTable = new MemoizedObject() { + @Override + protected ElfStringTable computeValue() throws ElfException { + long fileOffsetForStringTable = parser.virtualMemoryAddrToFileOffset(d_val_or_ptr); + return new ElfStringTable(parser, fileOffsetForStringTable, dt_strtab_size, null); // FIXME: null header + } + }; + dt_strtab_offset = d_val_or_ptr; + } + break; + case DT_STRSZ: + if (d_val_or_ptr > Integer.MAX_VALUE) throw new ElfException("Too large DT_STRSZ: " + d_val_or_ptr); + dt_strtab_size = (int) d_val_or_ptr; + break; + } + } + + } + + private ElfDynamicStructure firstEntryWithTag(long desiredTag) { + for (ElfDynamicStructure entry : this.entries) { + if (entry.tag == desiredTag) return entry; + } + return null; + } + + public List getNeededLibraries() throws ElfException { + ElfStringTable stringTable = dtStringTable.getValue(); + List result = new ArrayList<>(); + for (ElfDynamicStructure entry : this.entries) { + if (entry.tag == DT_NEEDED) result.add(stringTable.get((int) entry.d_val_or_ptr)); + } + return result; + } + + public String getRunPath() { + ElfDynamicStructure runPathEntry = firstEntryWithTag(DT_RUNPATH); + return runPathEntry == null ? null : dtStringTable.getValue().get((int) runPathEntry.d_val_or_ptr); + } + + public long getFlags() { + ElfDynamicStructure flagsEntry = firstEntryWithTag(DT_FLAGS); + return flagsEntry == null ? 0 : flagsEntry.d_val_or_ptr; + } + + public long getFlags1() { + ElfDynamicStructure flagsEntry = firstEntryWithTag(DT_FLAGS_1); + return flagsEntry == null ? 0 : flagsEntry.d_val_or_ptr; + } + + @Override + public String toString() { + return "ElfDynamicStructure{entries=" + this.entries + "}"; + } } diff --git a/src/test/java/net/fornwall/jelf/BasicTest.java b/src/test/java/net/fornwall/jelf/BasicTest.java index 656f56b..0ead9d8 100644 --- a/src/test/java/net/fornwall/jelf/BasicTest.java +++ b/src/test/java/net/fornwall/jelf/BasicTest.java @@ -88,8 +88,11 @@ void testAndroidArmBinTset() throws Exception { ElfDynamicSection dynamic = file.getDynamicSection(); Assertions.assertNotNull(dynamic); + Assertions.assertEquals(".dynamic", dynamic.header.getName()); Assertions.assertEquals(8, dynamic.header.entry_size); Assertions.assertEquals(248, dynamic.header.size); + Assertions.assertEquals(ElfDynamicSection.DF_BIND_NOW, dynamic.getFlags()); + Assertions.assertEquals(ElfDynamicSection.DF_1_NOW, dynamic.getFlags1()); Assertions.assertEquals(Arrays.asList("libncursesw.so.6", "libc.so", "libdl.so"), dynamic.getNeededLibraries()); Assertions.assertEquals("/data/data/com.termux/files/usr/lib", dynamic.getRunPath()); @@ -122,6 +125,7 @@ void testAndroidArmLibNcurses() throws Exception { Assertions.assertEquals("gold 1.11", ((ElfNoteSection) noteSections.get(0)).descriptorAsString()); ElfNoteSection noteSection = file.firstSectionByType(ElfNoteSection.class); + Assertions.assertEquals(".note.gnu.gold-version", noteSection.header.getName()); Assertions.assertSame(noteSection, noteSections.get(0)); ElfSymbolTableSection dynsym = (ElfSymbolTableSection) file.firstSectionByType(ElfSectionHeader.SHT_DYNSYM); @@ -168,6 +172,10 @@ void testAndroidArmLibNcurses() throws Exception { validateHashTable(file); + ElfDynamicSection dynamic = file.firstSectionByType(ElfDynamicSection.class); + Assertions.assertEquals(ElfDynamicSection.DF_SYMBOLIC | ElfDynamicSection.DF_BIND_NOW, dynamic.getFlags()); + Assertions.assertEquals(ElfDynamicSection.DF_1_NOW, dynamic.getFlags1()); + Assertions.assertTrue(file.getProgramHeader(0).isReadable()); Assertions.assertFalse(file.getProgramHeader(0).isWriteable()); Assertions.assertFalse(file.getProgramHeader(0).isExecutable());