diff options
| -rw-r--r-- | binutils/ChangeLog | 24 | ||||
| -rw-r--r-- | binutils/NEWS | 4 | ||||
| -rw-r--r-- | binutils/doc/binutils.texi | 12 | ||||
| -rw-r--r-- | binutils/objdump.c | 37 | ||||
| -rw-r--r-- | binutils/testsuite/binutils-all/bintest.s | 8 | ||||
| -rw-r--r-- | binutils/testsuite/binutils-all/objcopy.exp | 1 | ||||
| -rw-r--r-- | binutils/testsuite/binutils-all/objdump.exp | 82 | ||||
| -rw-r--r-- | binutils/testsuite/binutils-all/readelf.s | 5 | ||||
| -rw-r--r-- | binutils/testsuite/binutils-all/readelf.ss | 12 | ||||
| -rw-r--r-- | binutils/testsuite/binutils-all/readelf.ss-64 | 1 | ||||
| -rw-r--r-- | binutils/testsuite/binutils-all/readelf.ss-mips | 4 | ||||
| -rw-r--r-- | binutils/testsuite/binutils-all/readelf.ss-tmips | 4 |
12 files changed, 173 insertions, 21 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog index e93f028..2b76d8c 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,27 @@ +2018-11-07 Masatake Yamato <yamato@redhat.com> + + * objdump.c (long_options): Have the --disassemble option take an + optional argument. + (usage): Add description for the `symbol' argument to the + --disassemble option. + (disasm_sym): New file private variable. + (struct objdump_disasm_info): New field `symbol'. + (disassemble_section): Introduce `do_print' local variable + to control whether objdump displays the result of disassembling + for a symbol or not. + (main): Set `symbol' file private variable if the option argument + for the --disassemble option is given. + * doc/binutils.texi (objdump): Add description for the option + argument. + * NEWS: Mention the new feature. + * testsuite/binutils-all/objdump.exp: Add tests of the -d and + --disassemble=<symbol> options. + * testsuite/binutils-all/bintest.s: Add more symbols and code. + * testsuite/binutils-all/readelf.s: Update expected output. + * testsuite/binutils-all/readelf.ss-64: Likewise. + * testsuite/binutils-all/readelf.ss-mips: Likewise. + * testsuite/binutils-all/readelf.ss-tmips: Likewise. + 2018-11-07 Nick Clifton <nickc@redhat.com> * po/pt.po: Updated Portuguese translation. diff --git a/binutils/NEWS b/binutils/NEWS index de70c3a..a3ee86e 100644 --- a/binutils/NEWS +++ b/binutils/NEWS @@ -1,5 +1,9 @@ -*- text -*- +* Objdump's --disassemble option can now take a parameter, specifying the + starting symbol for disassembly. Disassembly will continue from this + symbol up to the next symbol. + * The MIPS port now supports the Loongson 2K1000 processor which implements the MIPS64r2 ISA, the Loongson-mmi ASE, Loongson-cam ASE, Loongson-ext ASE, Loongson-ext2 ASE and MSA ASE instructions. Add -march=gs264e option for diff --git a/binutils/doc/binutils.texi b/binutils/doc/binutils.texi index 6cfda45..9954adf 100644 --- a/binutils/doc/binutils.texi +++ b/binutils/doc/binutils.texi @@ -2063,7 +2063,7 @@ ld(1), objdump(1), and the Info entries for @file{binutils}. objdump [@option{-a}|@option{--archive-headers}] [@option{-b} @var{bfdname}|@option{--target=@var{bfdname}}] [@option{-C}|@option{--demangle}[=@var{style}] ] - [@option{-d}|@option{--disassemble}] + [@option{-d}|@option{--disassemble}[=@var{symbol}]] [@option{-D}|@option{--disassemble-all}] [@option{-z}|@option{--disassemble-zeroes}] [@option{-EB}|@option{-EL}|@option{--endian=}@{big | little @}] @@ -2189,11 +2189,15 @@ with ctags tool. @item -d @itemx --disassemble +@itemx --disassemble=@var{symbol} @cindex disassembling object code @cindex machine instructions -Display the assembler mnemonics for the machine instructions from -@var{objfile}. This option only disassembles those sections which are -expected to contain instructions. +Display the assembler mnemonics for the machine instructions from the +input file. This option only disassembles those sections which are +expected to contain instructions. If the optional @var{symbol} +argument is given, then display the assembler mnemonics only from +@var{symbol} up to next symbol. If there are no matches for +@var{symbol} then nothing will be displayed. @item -D @itemx --disassemble-all diff --git a/binutils/objdump.c b/binutils/objdump.c index 9c3bce8..e3b8d7f 100644 --- a/binutils/objdump.c +++ b/binutils/objdump.c @@ -118,6 +118,7 @@ static const char *prefix; /* --prefix */ static int prefix_strip; /* --prefix-strip */ static size_t prefix_length; static bfd_boolean unwind_inlines; /* --inlines. */ +static const char * disasm_sym; /* Disassembly start symbol. */ /* A structure to record the sections mentioned in -j switches. */ struct only @@ -145,6 +146,7 @@ struct objdump_disasm_info long dynrelcount; disassembler_ftype disassemble_fn; arelent * reloc; + const char * symbol; }; /* Architecture to disassemble for, or default if NULL. */ @@ -209,6 +211,7 @@ usage (FILE *stream, int status) -x, --all-headers Display the contents of all headers\n\ -d, --disassemble Display assembler contents of executable sections\n\ -D, --disassemble-all Display assembler contents of all sections\n\ + --disassemble=<sym> Display assembler contents from <sym>\n\ -S, --source Intermix source code with disassembly\n\ -s, --full-contents Display the full contents of all sections requested\n\ -g, --debugging Display debug information in object file\n\ @@ -313,7 +316,7 @@ static struct option long_options[]= {"debugging", no_argument, NULL, 'g'}, {"debugging-tags", no_argument, NULL, 'e'}, {"demangle", optional_argument, NULL, 'C'}, - {"disassemble", no_argument, NULL, 'd'}, + {"disassemble", optional_argument, NULL, 'd'}, {"disassemble-all", no_argument, NULL, 'D'}, {"disassembler-options", required_argument, NULL, 'M'}, {"disassemble-zeroes", no_argument, NULL, 'z'}, @@ -2253,6 +2256,7 @@ disassemble_section (bfd *abfd, asection *section, void *inf) asymbol *nextsym; bfd_vma nextstop_offset; bfd_boolean insns; + bfd_boolean do_print = TRUE; addr = section->vma + addr_offset; addr = ((addr & ((sign_adjust << 1) - 1)) ^ sign_adjust) - sign_adjust; @@ -2278,7 +2282,23 @@ disassemble_section (bfd *abfd, asection *section, void *inf) pinfo->symtab_pos = -1; } - if (! prefix_addresses) + if (sym && paux->symbol) + { + const char *name = bfd_asymbol_name (sym); + char *alloc = NULL; + + if (do_demangle && name[0] != '\0') + { + /* Demangle the name. */ + alloc = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS); + if (alloc != NULL) + name = alloc; + } + do_print = streq (name, paux->symbol); + free (alloc); + } + + if (! prefix_addresses && do_print) { pinfo->fprintf_func (pinfo->stream, "\n"); objdump_print_addr_with_sym (abfd, section, sym, addr, @@ -2339,9 +2359,14 @@ disassemble_section (bfd *abfd, asection *section, void *inf) else insns = FALSE; - disassemble_bytes (pinfo, paux->disassemble_fn, insns, data, - addr_offset, nextstop_offset, - rel_offset, &rel_pp, rel_ppend); + if (do_print) + { + disassemble_bytes (pinfo, paux->disassemble_fn, insns, data, + addr_offset, nextstop_offset, + rel_offset, &rel_pp, rel_ppend); + if (paux->symbol) + break; + } addr_offset = nextstop_offset; sym = nextsym; @@ -2394,6 +2419,7 @@ disassemble_data (bfd *abfd) aux.dynrelbuf = NULL; aux.dynrelcount = 0; aux.reloc = NULL; + aux.symbol = disasm_sym; disasm_info.print_address_func = objdump_print_address; disasm_info.symbol_at_address_func = objdump_symbol_at_address; @@ -3995,6 +4021,7 @@ main (int argc, char **argv) case 'd': disassemble = TRUE; seenflag = TRUE; + disasm_sym = optarg; break; case 'z': disassemble_zeroes = TRUE; diff --git a/binutils/testsuite/binutils-all/bintest.s b/binutils/testsuite/binutils-all/bintest.s index 9e00650..dcf742f 100644 --- a/binutils/testsuite/binutils-all/bintest.s +++ b/binutils/testsuite/binutils-all/bintest.s @@ -10,3 +10,11 @@ data_symbol: static_data_symbol: .long 2 .comm common_symbol,4 + .text + .global text_symbol2 +text_symbol2: + .long 2 + .global text_symbol3 +text_symbol3: + .long 3 + diff --git a/binutils/testsuite/binutils-all/objcopy.exp b/binutils/testsuite/binutils-all/objcopy.exp index 3676f76..762bd0a 100644 --- a/binutils/testsuite/binutils-all/objcopy.exp +++ b/binutils/testsuite/binutils-all/objcopy.exp @@ -80,6 +80,7 @@ proc objcopy_test {testname srcfile} { setup_xfail "hppa*-*-*" setup_xfail "m8*-*" setup_xfail "sh-*-coff*" + setup_xfail "tic54x-*-*" setup_xfail "tic80-*-*" clear_xfail "hppa*64*-*-hpux*" "hppa*-*-linux*" "hppa*-*-lites*" diff --git a/binutils/testsuite/binutils-all/objdump.exp b/binutils/testsuite/binutils-all/objdump.exp index effc3dd..b1dea8d 100644 --- a/binutils/testsuite/binutils-all/objdump.exp +++ b/binutils/testsuite/binutils-all/objdump.exp @@ -206,6 +206,85 @@ if { [ remote_file host exists $testarchive ] } then { test_objdump_r $testarchive bintest2.o } +# Test objdump -d +proc test_objdump_d { testfile dumpfile } { + global OBJDUMP + global OBJDUMPFLAGS + + set got [binutils_run $OBJDUMP "$OBJDUMPFLAGS -d $testfile"] + + set want "$dumpfile:.*Disassembly of section" + if ![regexp $want $got] then { + fail "objdump -d $testfile: No disassembly title" + return + } + + set want "$dumpfile:.*00+0 <text_symbol>" + if ![regexp $want $got] then { + fail "objdump -d $testfile: Missing symbol name and address" + return + } + + set want "$dumpfile:.*00+. <text_symbol2>" + if ![regexp $want $got] then { + fail "objdump -d $testfile: Missing second symbol" + return + } + + set want "$dumpfile:.*00+. <text_symbol3>" + if ![regexp $want $got] then { + fail "objdump -d $testfile: Missing third symbol" + return + } + + pass "objdump -d $testfile" +} + +test_objdump_d $testfile $testfile +if { [ remote_file host exists $testarchive ] } then { + test_objdump_d $testarchive bintest2.o +} + +# Test objdump --disassemble=<symbol> +proc test_objdump_d_sym { testfile dumpfile } { + global OBJDUMP + global OBJDUMPFLAGS + + set got [binutils_run $OBJDUMP "$OBJDUMPFLAGS --disassemble=text_symbol2 $testfile"] + + set want "$dumpfile:.*Disassembly of section" + if ![regexp $want $got] then { + fail "objdump --disassemble=text_symbol2 $testfile: No disassembly title" + return + } + + set want "$dumpfile:.*00+0 <text_symbol>" + if [regexp $want $got] then { + fail "objdump --disassemble=text_symbol2 $testfile: First symbol displayed, when it should be absent" + return + } + + set want "$dumpfile:.*00+. <text_symbol2>" + if ![regexp $want $got] then { + fail "objdump --disassemble=text_symbol2 $testfile: Missing second symbol" + return + } + + set want "$dumpfile:.*00+. <text_symbol3>" + if [regexp $want $got] then { + fail "objdump --disassemble=text_symbol2 $testfile: Third symbol displayed when it should be absent" + return + } + + pass "objdump --disassemble=text_symbol2 $testfile" +} + +test_objdump_d_sym $testfile $testfile +if { [ remote_file host exists $testarchive ] } then { + test_objdump_d_sym $testarchive bintest2.o +} + + # Test objdump -s proc test_objdump_s { testfile dumpfile } { @@ -505,8 +584,7 @@ if {[is_elf_format]} then { test_follow_debuglink } - -# Options which are not tested: -a -d -D -R -T -x -l --stabs +# Options which are not tested: -a -D -R -T -x -l --stabs # I don't see any generic way to test any of these other than -a. # Tests could be written for specific targets, and that should be done # if specific problems are found. diff --git a/binutils/testsuite/binutils-all/readelf.s b/binutils/testsuite/binutils-all/readelf.s index 5aae0ce..6ae4dc7 100644 --- a/binutils/testsuite/binutils-all/readelf.s +++ b/binutils/testsuite/binutils-all/readelf.s @@ -9,8 +9,9 @@ Section Headers: +\[ 2\] .rel.* +REL. +0+ 0+.* 0000.. 0. +I +.+ +1 +4 # MIPS targets put .rela.text here. #... - +\[ .\] .* +PROGBITS +00000000 0000(3c|40|48|50) 0000(04|10) 00 +WA +0 +0 +(.|..) - +\[ .\] .* +NOBITS +00000000 0000(40|44|4c|60) 000000 00 +WA +0 +0 +(.|..) + +\[ .\] .* +PROGBITS +00000000 0000(3c|40|44|48|50) 0000(04|10) 00 +WA +0 +0 +(.|..) + +\[ .\] .* +NOBITS +00000000 0000(40|44|48|4c|60) 000000 00 +WA +0 +0 +(.|..) +# ARM targets put .ARM.attributes here # MIPS targets put .reginfo, .mdebug, .MIPS.abiflags and .gnu.attributes here. # v850 targets put .call_table_data and .call_table_text here. #... diff --git a/binutils/testsuite/binutils-all/readelf.ss b/binutils/testsuite/binutils-all/readelf.ss index e9ab3ef..acc6d93 100644 --- a/binutils/testsuite/binutils-all/readelf.ss +++ b/binutils/testsuite/binutils-all/readelf.ss @@ -6,15 +6,15 @@ Symbol table '.symtab' contains .* entries: +2: 00000000 +0 +SECTION +LOCAL +DEFAULT +[34] +3: 00000000 +0 +SECTION +LOCAL +DEFAULT +[45] +4: 00000000 +0 +NOTYPE +LOCAL +DEFAULT +1 static_text_symbol -# arm-elf targets add the $d mapping symbol here... +# ARM targets add the $d mapping symbol here... +# NDS32 targets add the $d2 mapping symbol here... #... +.: 00000000 +0 +NOTYPE +LOCAL +DEFAULT +[34] static_data_symbol # v850 targets include extra SECTION symbols here for the .call_table_data # and .call_table_text sections. #... - +.: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +1 text_symbol - +..: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +UND external_symbol - +..: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +[34] data_symbol - +..: 00000004 +4 +(COMMON|OBJECT) +GLOBAL +DEFAULT +(COM|ANSI_COM) common_symbol -# The MSP430 adds special crt0 symbols here. + +[0-9]+: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +1 text_symbol + +[0-9]+: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +UND external_symbol + +[0-9]+: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +[34] data_symbol + +[0-9]+: 00000004 +4 +(COMMON|OBJECT) +GLOBAL +DEFAULT +(COM|ANSI_COM) common_symbol #... diff --git a/binutils/testsuite/binutils-all/readelf.ss-64 b/binutils/testsuite/binutils-all/readelf.ss-64 index b67bfda..bd10cab 100644 --- a/binutils/testsuite/binutils-all/readelf.ss-64 +++ b/binutils/testsuite/binutils-all/readelf.ss-64 @@ -15,3 +15,4 @@ Symbol table '.symtab' contains .* entries: +.: 0000000000000000 +0 +NOTYPE +GLOBAL +DEFAULT +UND external_symbol +.: 0000000000000000 +0 +NOTYPE +GLOBAL +DEFAULT +3 data_symbol +[0-9]+: 0000000000000004 +4 +(COMMON|OBJECT) +GLOBAL +DEFAULT +COM common_symbol +#pass diff --git a/binutils/testsuite/binutils-all/readelf.ss-mips b/binutils/testsuite/binutils-all/readelf.ss-mips index 01d3df1..9f4cfa5 100644 --- a/binutils/testsuite/binutils-all/readelf.ss-mips +++ b/binutils/testsuite/binutils-all/readelf.ss-mips @@ -1,5 +1,5 @@ -Symbol table '.symtab' contains 14 entries: +Symbol table '.symtab' contains 16 entries: +Num: +Value +Size +Type +Bind +Vis +Ndx +Name +0: 00000000 +0 +NOTYPE +LOCAL +DEFAULT +UND +1: 00000000 +0 +SECTION +LOCAL +DEFAULT +. (|\.text) @@ -15,3 +15,5 @@ Symbol table '.symtab' contains 14 entries: +11: 00000000 +0 +OBJECT +GLOBAL +DEFAULT +. data_symbol +12: 00000000 +0 +NOTYPE +LOCAL +DEFAULT +. static_data_symbol +13: 00000004 +4 +(COMMON|OBJECT) +GLOBAL +DEFAULT +(PRC|COM) common_symbol + +14: 00000008 +0 +OBJECT +GLOBAL +DEFAULT +. text_symbol2 + +15: 0000000c +0 +OBJECT +GLOBAL +DEFAULT +. text_symbol3 diff --git a/binutils/testsuite/binutils-all/readelf.ss-tmips b/binutils/testsuite/binutils-all/readelf.ss-tmips index c59f753..d22fc08 100644 --- a/binutils/testsuite/binutils-all/readelf.ss-tmips +++ b/binutils/testsuite/binutils-all/readelf.ss-tmips @@ -1,5 +1,5 @@ -Symbol table '.symtab' contains 14 entries: +Symbol table '.symtab' contains 16 entries: +Num: +Value +Size +Type +Bind +Vis +Ndx +Name +0: 00000000 +0 +NOTYPE +LOCAL +DEFAULT +UND +1: 00000000 +0 +SECTION +LOCAL +DEFAULT +1 @@ -15,3 +15,5 @@ Symbol table '.symtab' contains 14 entries: +11: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +UND external_symbol +12: 00000000 +0 +OBJECT +GLOBAL +DEFAULT +3 data_symbol +13: 00000004 +4 +(COMMON|OBJECT) +GLOBAL +DEFAULT +(PRC|COM) common_symbol + +14: 00000008 +0 +OBJECT +GLOBAL +DEFAULT +. text_symbol2 + +15: 0000000c +0 +OBJECT +GLOBAL +DEFAULT +. text_symbol3 |