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binutils-gdb/ld/testsuite/ld-arm/fdpic-main.sym
H.J. Lu 10ca4b042d readelf: Consolidate --syms --use-dynamic with --dyn-syms 
When reconstructing dynamic symbol table from the PT_DYNAMIC segment,
compute dynamic symbol table size from hash table.  For DT_HASH, the
number of dynamic symbol table entries equals the number of chains.
For DT_GNU_HASH/DT_MIPS_XHASH, only defined symbols with non-STB_LOCAL
indings are in hash table.  Since DT_GNU_HASH/DT_MIPS_XHASH place all
symbols with STB_LOCAL binding before symbols with other bindings and
all undefined symbols defined ones in dynamic symbol table, the highest
symbol index in DT_GNU_HASH/DT_MIPS_XHASH is the highest dynamic symbol
table index.

Rewrite print_dynamic_symbol to dump dynamic symbol table for --dyn-syms
and --syms --use-dynamic.

binutils/

	PR binutils/25707
	* readelf.c (nbuckets): New.
	(nchains): Likewise.
	(buckets): Likewise.
	(chains): Likewise.
	(ngnubuckets): Likewise.
	(gnubuckets): Likewise.
	(gnuchains): Likewise.
	(mipsxlat): Likewise.
	(ngnuchains): Likewise.
	(gnusymidx): Likewise.
	(VALID_SYMBOL_NAME): Likewise.
	(VALID_DYNAMIC_NAME): Use it.
	(get_dynamic_data): Moved before process_dynamic_section.
	(get_num_dynamic_syms): New function.
	(process_dynamic_section): Use DT_SYMTAB, DT_SYMENT, DT_HASH,
	DT_GNU_HASH and DT_MIPS_XHASH to reconstruct dynamic symbol
	table.  Use DT_STRTAB and DT_STRSZ to reconstruct dynamic string
	table.
	(get_symbol_index_type): Don't print "bad section index" when
	there is no section header.
	(print_dynamic_symbol): Rewrite.
	(process_symbol_table): Call print_dynamic_symbol to dump dynamic
	symbol table.

ld/

	PR binutils/25707
	* testsuite/ld-arm/armthumb-lib.sym: Updated.
	* testsuite/ld-arm/farcall-mixed-app.sym: Likewise.
	* testsuite/ld-arm/farcall-mixed-app2.sym: Likewise.
	* testsuite/ld-arm/fdpic-main-m.sym: Likewise.
	* testsuite/ld-arm/fdpic-main.sym: Likewise.
	* testsuite/ld-arm/fdpic-shared-m.sym: Likewise.
	* testsuite/ld-arm/fdpic-shared.sym: Likewise.
	* testsuite/ld-arm/mixed-app.sym: Likewise.
	* testsuite/ld-arm/mixed-lib.sym: Likewise.
	* testsuite/ld-arm/preempt-app.sym: Likewise.
	* testsuite/ld-elf/hash.d: Likewise.
	* testsuite/ld-elf/pr13195.d: Likewise.
	* testsuite/ld-elfvsb/hidden2.d: Likewise.
	* testsuite/ld-mips-elf/hash2.d: Likewise.
2020-04-14 05:00:34 -07:00

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Symbol table for image contains 12 entries:
+Num: +Value +Size +Type +Bind +Vis +Ndx +Name
+..: +00000000 +0 +NOTYPE +LOCAL +DEFAULT +UND
+..: +........ +0 +NOTYPE +GLOBAL +DEFAULT +13 _bss_end__
+..: +........ +0 +NOTYPE +GLOBAL +DEFAULT +12 __bss_start__
+..: +........ +0 +FUNC +GLOBAL +DEFAULT +UND my_shared_func1
+..: +........ +0 +NOTYPE +GLOBAL +DEFAULT +13 __bss_end__
+..: +........ +0 +NOTYPE +GLOBAL +DEFAULT +9 __ROFIXUP_END__
+..: +........ +0 +NOTYPE +GLOBAL +DEFAULT +12 __bss_start
+..: +........ +0 +NOTYPE +GLOBAL +DEFAULT +9 __ROFIXUP_LIST__
+..: +........ +0 +NOTYPE +GLOBAL +DEFAULT +13 __end__
+..: +........ +0 +FUNC +GLOBAL +DEFAULT +UND my_shared_func2
+..: +........ +0 +NOTYPE +GLOBAL +DEFAULT +12 _edata
+..: +........ +0 +NOTYPE +GLOBAL +DEFAULT +13 _end
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