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diff --git a/upstream/debian-unstable/man1/objdump.1 b/upstream/debian-unstable/man1/objdump.1 new file mode 100644 index 00000000..cdd8a605 --- /dev/null +++ b/upstream/debian-unstable/man1/objdump.1 @@ -0,0 +1,1409 @@ +.\" -*- mode: troff; coding: utf-8 -*- +.\" Automatically generated by Pod::Man 5.01 (Pod::Simple 3.43) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>. +.ie n \{\ +. ds C` "" +. ds C' "" +'br\} +.el\{\ +. ds C` +. ds C' +'br\} +.\" +.\" Escape single quotes in literal strings from groff's Unicode transform. +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" +.\" If the F register is >0, we'll generate index entries on stderr for +.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index +.\" entries marked with X<> in POD. Of course, you'll have to process the +.\" output yourself in some meaningful fashion. +.\" +.\" Avoid warning from groff about undefined register 'F'. +.de IX +.. +.nr rF 0 +.if \n(.g .if rF .nr rF 1 +.if (\n(rF:(\n(.g==0)) \{\ +. if \nF \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. if !\nF==2 \{\ +. nr % 0 +. nr F 2 +. \} +. \} +.\} +.rr rF +.\" ======================================================================== +.\" +.IX Title "OBJDUMP 1" +.TH OBJDUMP 1 2024-02-21 binutils-2.42 "GNU Development Tools" +.\" For nroff, turn off justification. Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH NAME +objdump \- display information from object files +.SH SYNOPSIS +.IX Header "SYNOPSIS" +objdump [\fB\-a\fR|\fB\-\-archive\-headers\fR] + [\fB\-b\fR \fIbfdname\fR|\fB\-\-target=\fR\fIbfdname\fR] + [\fB\-C\fR|\fB\-\-demangle\fR[=\fIstyle\fR] ] + [\fB\-d\fR|\fB\-\-disassemble\fR[=\fIsymbol\fR]] + [\fB\-D\fR|\fB\-\-disassemble\-all\fR] + [\fB\-z\fR|\fB\-\-disassemble\-zeroes\fR] + [\fB\-EB\fR|\fB\-EL\fR|\fB\-\-endian=\fR{big | little }] + [\fB\-f\fR|\fB\-\-file\-headers\fR] + [\fB\-F\fR|\fB\-\-file\-offsets\fR] + [\fB\-\-file\-start\-context\fR] + [\fB\-g\fR|\fB\-\-debugging\fR] + [\fB\-e\fR|\fB\-\-debugging\-tags\fR] + [\fB\-h\fR|\fB\-\-section\-headers\fR|\fB\-\-headers\fR] + [\fB\-i\fR|\fB\-\-info\fR] + [\fB\-j\fR \fIsection\fR|\fB\-\-section=\fR\fIsection\fR] + [\fB\-l\fR|\fB\-\-line\-numbers\fR] + [\fB\-S\fR|\fB\-\-source\fR] + [\fB\-\-source\-comment\fR[=\fItext\fR]] + [\fB\-m\fR \fImachine\fR|\fB\-\-architecture=\fR\fImachine\fR] + [\fB\-M\fR \fIoptions\fR|\fB\-\-disassembler\-options=\fR\fIoptions\fR] + [\fB\-p\fR|\fB\-\-private\-headers\fR] + [\fB\-P\fR \fIoptions\fR|\fB\-\-private=\fR\fIoptions\fR] + [\fB\-r\fR|\fB\-\-reloc\fR] + [\fB\-R\fR|\fB\-\-dynamic\-reloc\fR] + [\fB\-s\fR|\fB\-\-full\-contents\fR] + [\fB\-Z\fR|\fB\-\-decompress\fR] + [\fB\-W[lLiaprmfFsoORtUuTgAck]\fR| + \fB\-\-dwarf\fR[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames\-interp,=str,=str\-offsets,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges,=gdb_index,=addr,=cu_index,=links]] + [\fB\-WK\fR|\fB\-\-dwarf=follow\-links\fR] + [\fB\-WN\fR|\fB\-\-dwarf=no\-follow\-links\fR] + [\fB\-wD\fR|\fB\-\-dwarf=use\-debuginfod\fR] + [\fB\-wE\fR|\fB\-\-dwarf=do\-not\-use\-debuginfod\fR] + [\fB\-L\fR|\fB\-\-process\-links\fR] + [\fB\-\-ctf=\fR\fIsection\fR] + [\fB\-\-sframe=\fR\fIsection\fR] + [\fB\-G\fR|\fB\-\-stabs\fR] + [\fB\-t\fR|\fB\-\-syms\fR] + [\fB\-T\fR|\fB\-\-dynamic\-syms\fR] + [\fB\-x\fR|\fB\-\-all\-headers\fR] + [\fB\-w\fR|\fB\-\-wide\fR] + [\fB\-\-start\-address=\fR\fIaddress\fR] + [\fB\-\-stop\-address=\fR\fIaddress\fR] + [\fB\-\-no\-addresses\fR] + [\fB\-\-prefix\-addresses\fR] + [\fB\-\-[no\-]show\-raw\-insn\fR] + [\fB\-\-adjust\-vma=\fR\fIoffset\fR] + [\fB\-\-show\-all\-symbols\fR] + [\fB\-\-dwarf\-depth=\fR\fIn\fR] + [\fB\-\-dwarf\-start=\fR\fIn\fR] + [\fB\-\-ctf\-parent=\fR\fIsection\fR] + [\fB\-\-no\-recurse\-limit\fR|\fB\-\-recurse\-limit\fR] + [\fB\-\-special\-syms\fR] + [\fB\-\-prefix=\fR\fIprefix\fR] + [\fB\-\-prefix\-strip=\fR\fIlevel\fR] + [\fB\-\-insn\-width=\fR\fIwidth\fR] + [\fB\-\-visualize\-jumps[=color|=extended\-color|=off]\fR + [\fB\-\-disassembler\-color=[off|terminal|on|extended]\fR + [\fB\-U\fR \fImethod\fR] [\fB\-\-unicode=\fR\fImethod\fR] + [\fB\-V\fR|\fB\-\-version\fR] + [\fB\-H\fR|\fB\-\-help\fR] + \fIobjfile\fR... +.SH DESCRIPTION +.IX Header "DESCRIPTION" +\&\fBobjdump\fR displays information about one or more object files. +The options control what particular information to display. This +information is mostly useful to programmers who are working on the +compilation tools, as opposed to programmers who just want their +program to compile and work. +.PP +\&\fIobjfile\fR... are the object files to be examined. When you +specify archives, \fBobjdump\fR shows information on each of the member +object files. +.SH OPTIONS +.IX Header "OPTIONS" +The long and short forms of options, shown here as alternatives, are +equivalent. At least one option from the list +\&\fB\-a,\-d,\-D,\-e,\-f,\-g,\-G,\-h,\-H,\-p,\-P,\-r,\-R,\-s,\-S,\-t,\-T,\-V,\-x\fR must be given. +.IP \fB\-a\fR 4 +.IX Item "-a" +.PD 0 +.IP \fB\-\-archive\-header\fR 4 +.IX Item "--archive-header" +.PD +If any of the \fIobjfile\fR files are archives, display the archive +header information (in a format similar to \fBls \-l\fR). Besides the +information you could list with \fBar tv\fR, \fBobjdump \-a\fR shows +the object file format of each archive member. +.IP \fB\-\-adjust\-vma=\fR\fIoffset\fR 4 +.IX Item "--adjust-vma=offset" +When dumping information, first add \fIoffset\fR to all the section +addresses. This is useful if the section addresses do not correspond to +the symbol table, which can happen when putting sections at particular +addresses when using a format which can not represent section addresses, +such as a.out. +.IP "\fB\-b\fR \fIbfdname\fR" 4 +.IX Item "-b bfdname" +.PD 0 +.IP \fB\-\-target=\fR\fIbfdname\fR 4 +.IX Item "--target=bfdname" +.PD +Specify that the object-code format for the object files is +\&\fIbfdname\fR. This option may not be necessary; \fIobjdump\fR can +automatically recognize many formats. +.Sp +For example, +.Sp +.Vb 1 +\& objdump \-b oasys \-m vax \-h fu.o +.Ve +.Sp +displays summary information from the section headers (\fB\-h\fR) of +\&\fIfu.o\fR, which is explicitly identified (\fB\-m\fR) as a VAX object +file in the format produced by Oasys compilers. You can list the +formats available with the \fB\-i\fR option. +.IP \fB\-C\fR 4 +.IX Item "-C" +.PD 0 +.IP \fB\-\-demangle[=\fR\fIstyle\fR\fB]\fR 4 +.IX Item "--demangle[=style]" +.PD +Decode (\fIdemangle\fR) low-level symbol names into user-level names. +Besides removing any initial underscore prepended by the system, this +makes C++ function names readable. Different compilers have different +mangling styles. The optional demangling style argument can be used to +choose an appropriate demangling style for your compiler. +.IP \fB\-\-recurse\-limit\fR 4 +.IX Item "--recurse-limit" +.PD 0 +.IP \fB\-\-no\-recurse\-limit\fR 4 +.IX Item "--no-recurse-limit" +.IP \fB\-\-recursion\-limit\fR 4 +.IX Item "--recursion-limit" +.IP \fB\-\-no\-recursion\-limit\fR 4 +.IX Item "--no-recursion-limit" +.PD +Enables or disables a limit on the amount of recursion performed +whilst demangling strings. Since the name mangling formats allow for +an infinite level of recursion it is possible to create strings whose +decoding will exhaust the amount of stack space available on the host +machine, triggering a memory fault. The limit tries to prevent this +from happening by restricting recursion to 2048 levels of nesting. +.Sp +The default is for this limit to be enabled, but disabling it may be +necessary in order to demangle truly complicated names. Note however +that if the recursion limit is disabled then stack exhaustion is +possible and any bug reports about such an event will be rejected. +.IP \fB\-g\fR 4 +.IX Item "-g" +.PD 0 +.IP \fB\-\-debugging\fR 4 +.IX Item "--debugging" +.PD +Display debugging information. This attempts to parse STABS +debugging format information stored in the file and print it out using +a C like syntax. If no STABS debugging was found this option +falls back on the \fB\-W\fR option to print any DWARF information in +the file. +.IP \fB\-e\fR 4 +.IX Item "-e" +.PD 0 +.IP \fB\-\-debugging\-tags\fR 4 +.IX Item "--debugging-tags" +.PD +Like \fB\-g\fR, but the information is generated in a format compatible +with ctags tool. +.IP \fB\-d\fR 4 +.IX Item "-d" +.PD 0 +.IP \fB\-\-disassemble\fR 4 +.IX Item "--disassemble" +.IP \fB\-\-disassemble=\fR\fIsymbol\fR 4 +.IX Item "--disassemble=symbol" +.PD +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 \fIsymbol\fR +argument is given, then display the assembler mnemonics starting at +\&\fIsymbol\fR. If \fIsymbol\fR is a function name then disassembly +will stop at the end of the function, otherwise it will stop when the +next symbol is encountered. If there are no matches for \fIsymbol\fR +then nothing will be displayed. +.Sp +Note if the \fB\-\-dwarf=follow\-links\fR option is enabled +then any symbol tables in linked debug info files will be read in and +used when disassembling. +.IP \fB\-D\fR 4 +.IX Item "-D" +.PD 0 +.IP \fB\-\-disassemble\-all\fR 4 +.IX Item "--disassemble-all" +.PD +Like \fB\-d\fR, but disassemble the contents of all non-empty +non-bss sections, not just those expected to contain instructions. +\&\fB\-j\fR may be used to select specific sections. +.Sp +This option also has a subtle effect on the disassembly of +instructions in code sections. When option \fB\-d\fR is in effect +objdump will assume that any symbols present in a code section occur +on the boundary between instructions and it will refuse to disassemble +across such a boundary. When option \fB\-D\fR is in effect however +this assumption is supressed. This means that it is possible for the +output of \fB\-d\fR and \fB\-D\fR to differ if, for example, data +is stored in code sections. +.Sp +If the target is an ARM architecture this switch also has the effect +of forcing the disassembler to decode pieces of data found in code +sections as if they were instructions. +.Sp +Note if the \fB\-\-dwarf=follow\-links\fR option is enabled +then any symbol tables in linked debug info files will be read in and +used when disassembling. +.IP \fB\-\-no\-addresses\fR 4 +.IX Item "--no-addresses" +When disassembling, don't print addresses on each line or for symbols +and relocation offsets. In combination with \fB\-\-no\-show\-raw\-insn\fR +this may be useful for comparing compiler output. +.IP \fB\-\-prefix\-addresses\fR 4 +.IX Item "--prefix-addresses" +When disassembling, print the complete address on each line. This is +the older disassembly format. +.IP \fB\-EB\fR 4 +.IX Item "-EB" +.PD 0 +.IP \fB\-EL\fR 4 +.IX Item "-EL" +.IP \fB\-\-endian={big|little}\fR 4 +.IX Item "--endian={big|little}" +.PD +Specify the endianness of the object files. This only affects +disassembly. This can be useful when disassembling a file format which +does not describe endianness information, such as S\-records. +.IP \fB\-f\fR 4 +.IX Item "-f" +.PD 0 +.IP \fB\-\-file\-headers\fR 4 +.IX Item "--file-headers" +.PD +Display summary information from the overall header of +each of the \fIobjfile\fR files. +.IP \fB\-F\fR 4 +.IX Item "-F" +.PD 0 +.IP \fB\-\-file\-offsets\fR 4 +.IX Item "--file-offsets" +.PD +When disassembling sections, whenever a symbol is displayed, also +display the file offset of the region of data that is about to be +dumped. If zeroes are being skipped, then when disassembly resumes, +tell the user how many zeroes were skipped and the file offset of the +location from where the disassembly resumes. When dumping sections, +display the file offset of the location from where the dump starts. +.IP \fB\-\-file\-start\-context\fR 4 +.IX Item "--file-start-context" +Specify that when displaying interlisted source code/disassembly +(assumes \fB\-S\fR) from a file that has not yet been displayed, extend the +context to the start of the file. +.IP \fB\-h\fR 4 +.IX Item "-h" +.PD 0 +.IP \fB\-\-section\-headers\fR 4 +.IX Item "--section-headers" +.IP \fB\-\-headers\fR 4 +.IX Item "--headers" +.PD +Display summary information from the section headers of the +object file. +.Sp +File segments may be relocated to nonstandard addresses, for example by +using the \fB\-Ttext\fR, \fB\-Tdata\fR, or \fB\-Tbss\fR options to +\&\fBld\fR. However, some object file formats, such as a.out, do not +store the starting address of the file segments. In those situations, +although \fBld\fR relocates the sections correctly, using \fBobjdump +\&\-h\fR to list the file section headers cannot show the correct addresses. +Instead, it shows the usual addresses, which are implicit for the +target. +.Sp +Note, in some cases it is possible for a section to have both the +READONLY and the NOREAD attributes set. In such cases the NOREAD +attribute takes precedence, but \fBobjdump\fR will report both +since the exact setting of the flag bits might be important. +.IP \fB\-H\fR 4 +.IX Item "-H" +.PD 0 +.IP \fB\-\-help\fR 4 +.IX Item "--help" +.PD +Print a summary of the options to \fBobjdump\fR and exit. +.IP \fB\-i\fR 4 +.IX Item "-i" +.PD 0 +.IP \fB\-\-info\fR 4 +.IX Item "--info" +.PD +Display a list showing all architectures and object formats available +for specification with \fB\-b\fR or \fB\-m\fR. +.IP "\fB\-j\fR \fIname\fR" 4 +.IX Item "-j name" +.PD 0 +.IP \fB\-\-section=\fR\fIname\fR 4 +.IX Item "--section=name" +.PD +Display information for section \fIname\fR. This option may be +specified multiple times. +.IP \fB\-L\fR 4 +.IX Item "-L" +.PD 0 +.IP \fB\-\-process\-links\fR 4 +.IX Item "--process-links" +.PD +Display the contents of non-debug sections found in separate debuginfo +files that are linked to the main file. This option automatically +implies the \fB\-WK\fR option, and only sections requested by other +command line options will be displayed. +.IP \fB\-l\fR 4 +.IX Item "-l" +.PD 0 +.IP \fB\-\-line\-numbers\fR 4 +.IX Item "--line-numbers" +.PD +Label the display (using debugging information) with the filename and +source line numbers corresponding to the object code or relocs shown. +Only useful with \fB\-d\fR, \fB\-D\fR, or \fB\-r\fR. +.IP "\fB\-m\fR \fImachine\fR" 4 +.IX Item "-m machine" +.PD 0 +.IP \fB\-\-architecture=\fR\fImachine\fR 4 +.IX Item "--architecture=machine" +.PD +Specify the architecture to use when disassembling object files. This +can be useful when disassembling object files which do not describe +architecture information, such as S\-records. You can list the available +architectures with the \fB\-i\fR option. +.Sp +For most architectures it is possible to supply an architecture +name and a machine name, separated by a colon. For example +\&\fBfoo:bar\fR would refer to the \fBbar\fR machine type in the +\&\fBfoo\fR architecture. This can be helpful if objdump has been +configured to support multiple architectures. +.Sp +If the target is an ARM architecture then this switch has an +additional effect. It restricts the disassembly to only those +instructions supported by the architecture specified by \fImachine\fR. +If it is necessary to use this switch because the input file does not +contain any architecture information, but it is also desired to +disassemble all the instructions use \fB\-marm\fR. +.IP "\fB\-M\fR \fIoptions\fR" 4 +.IX Item "-M options" +.PD 0 +.IP \fB\-\-disassembler\-options=\fR\fIoptions\fR 4 +.IX Item "--disassembler-options=options" +.PD +Pass target specific information to the disassembler. Only supported on +some targets. If it is necessary to specify more than one +disassembler option then multiple \fB\-M\fR options can be used or +can be placed together into a comma separated list. +.Sp +For ARC, \fBdsp\fR controls the printing of DSP instructions, +\&\fBspfp\fR selects the printing of FPX single precision FP +instructions, \fBdpfp\fR selects the printing of FPX double +precision FP instructions, \fBquarkse_em\fR selects the printing of +special QuarkSE-EM instructions, \fBfpuda\fR selects the printing +of double precision assist instructions, \fBfpus\fR selects the +printing of FPU single precision FP instructions, while \fBfpud\fR +selects the printing of FPU double precision FP instructions. +Additionally, one can choose to have all the immediates printed in +hexadecimal using \fBhex\fR. By default, the short immediates are +printed using the decimal representation, while the long immediate +values are printed as hexadecimal. +.Sp +\&\fBcpu=...\fR allows one to enforce a particular ISA when disassembling +instructions, overriding the \fB\-m\fR value or whatever is in the ELF file. +This might be useful to select ARC EM or HS ISA, because architecture is same +for those and disassembler relies on private ELF header data to decide if code +is for EM or HS. This option might be specified multiple times \- only the +latest value will be used. Valid values are same as for the assembler +\&\fB\-mcpu=...\fR option. +.Sp +If the target is an ARM architecture then this switch can be used to +select which register name set is used during disassembler. Specifying +\&\fB\-M reg-names-std\fR (the default) will select the register names as +used in ARM's instruction set documentation, but with register 13 called +\&'sp', register 14 called 'lr' and register 15 called 'pc'. Specifying +\&\fB\-M reg-names-apcs\fR will select the name set used by the ARM +Procedure Call Standard, whilst specifying \fB\-M reg-names-raw\fR will +just use \fBr\fR followed by the register number. +.Sp +There are also two variants on the APCS register naming scheme enabled +by \fB\-M reg-names-atpcs\fR and \fB\-M reg-names-special-atpcs\fR which +use the ARM/Thumb Procedure Call Standard naming conventions. (Either +with the normal register names or the special register names). +.Sp +This option can also be used for ARM architectures to force the +disassembler to interpret all instructions as Thumb instructions by +using the switch \fB\-\-disassembler\-options=force\-thumb\fR. This can be +useful when attempting to disassemble thumb code produced by other +compilers. +.Sp +For AArch64 targets this switch can be used to set whether instructions are +disassembled as the most general instruction using the \fB\-M no-aliases\fR +option or whether instruction notes should be generated as comments in the +disasssembly using \fB\-M notes\fR. +.Sp +For the x86, some of the options duplicate functions of the \fB\-m\fR +switch, but allow finer grained control. +.RS 4 +.ie n .IP """x86\-64""" 4 +.el .IP \f(CWx86\-64\fR 4 +.IX Item "x86-64" +.PD 0 +.ie n .IP """i386""" 4 +.el .IP \f(CWi386\fR 4 +.IX Item "i386" +.ie n .IP """i8086""" 4 +.el .IP \f(CWi8086\fR 4 +.IX Item "i8086" +.PD +Select disassembly for the given architecture. +.ie n .IP """intel""" 4 +.el .IP \f(CWintel\fR 4 +.IX Item "intel" +.PD 0 +.ie n .IP """att""" 4 +.el .IP \f(CWatt\fR 4 +.IX Item "att" +.PD +Select between intel syntax mode and AT&T syntax mode. +.ie n .IP """amd64""" 4 +.el .IP \f(CWamd64\fR 4 +.IX Item "amd64" +.PD 0 +.ie n .IP """intel64""" 4 +.el .IP \f(CWintel64\fR 4 +.IX Item "intel64" +.PD +Select between AMD64 ISA and Intel64 ISA. +.ie n .IP """intel\-mnemonic""" 4 +.el .IP \f(CWintel\-mnemonic\fR 4 +.IX Item "intel-mnemonic" +.PD 0 +.ie n .IP """att\-mnemonic""" 4 +.el .IP \f(CWatt\-mnemonic\fR 4 +.IX Item "att-mnemonic" +.PD +Select between intel mnemonic mode and AT&T mnemonic mode. +Note: \f(CW\*(C`intel\-mnemonic\*(C'\fR implies \f(CW\*(C`intel\*(C'\fR and +\&\f(CW\*(C`att\-mnemonic\*(C'\fR implies \f(CW\*(C`att\*(C'\fR. +.ie n .IP """addr64""" 4 +.el .IP \f(CWaddr64\fR 4 +.IX Item "addr64" +.PD 0 +.ie n .IP """addr32""" 4 +.el .IP \f(CWaddr32\fR 4 +.IX Item "addr32" +.ie n .IP """addr16""" 4 +.el .IP \f(CWaddr16\fR 4 +.IX Item "addr16" +.ie n .IP """data32""" 4 +.el .IP \f(CWdata32\fR 4 +.IX Item "data32" +.ie n .IP """data16""" 4 +.el .IP \f(CWdata16\fR 4 +.IX Item "data16" +.PD +Specify the default address size and operand size. These five options +will be overridden if \f(CW\*(C`x86\-64\*(C'\fR, \f(CW\*(C`i386\*(C'\fR or \f(CW\*(C`i8086\*(C'\fR +appear later in the option string. +.ie n .IP """suffix""" 4 +.el .IP \f(CWsuffix\fR 4 +.IX Item "suffix" +When in AT&T mode and also for a limited set of instructions when in Intel +mode, instructs the disassembler to print a mnemonic suffix even when the +suffix could be inferred by the operands or, for certain instructions, the +execution mode's defaults. +.RE +.RS 4 +.Sp +For PowerPC, the \fB\-M\fR argument \fBraw\fR selects +disasssembly of hardware insns rather than aliases. For example, you +will see \f(CW\*(C`rlwinm\*(C'\fR rather than \f(CW\*(C`clrlwi\*(C'\fR, and \f(CW\*(C`addi\*(C'\fR +rather than \f(CW\*(C`li\*(C'\fR. All of the \fB\-m\fR arguments for +\&\fBgas\fR that select a CPU are supported. These are: +\&\fB403\fR, \fB405\fR, \fB440\fR, \fB464\fR, \fB476\fR, +\&\fB601\fR, \fB603\fR, \fB604\fR, \fB620\fR, \fB7400\fR, +\&\fB7410\fR, \fB7450\fR, \fB7455\fR, \fB750cl\fR, +\&\fB821\fR, \fB850\fR, \fB860\fR, \fBa2\fR, \fBbooke\fR, +\&\fBbooke32\fR, \fBcell\fR, \fBcom\fR, \fBe200z2\fR, \fBe200z4\fR, +\&\fBe300\fR, \fBe500\fR, \fBe500mc\fR, \fBe500mc64\fR, +\&\fBe500x2\fR, \fBe5500\fR, \fBe6500\fR, \fBefs\fR, +\&\fBpower4\fR, \fBpower5\fR, \fBpower6\fR, \fBpower7\fR, +\&\fBpower8\fR, \fBpower9\fR, \fBpower10\fR, \fBpower11\fR, +\&\fBppc\fR, \fBppc32\fR, \fBppc64\fR, \fBppc64bridge\fR, +\&\fBppcps\fR, \fBpwr\fR, \fBpwr2\fR, \fBpwr4\fR, \fBpwr5\fR, +\&\fBpwr5x\fR, \fBpwr6\fR, \fBpwr7\fR, \fBpwr8\fR, \fBpwr9\fR, +\&\fBpwr10\fR, \fBpwr11\fR, \fBpwrx\fR, \fBtitan\fR, \fBvle\fR, +and \fBfuture\fR. +\&\fB32\fR and \fB64\fR modify the default or a prior CPU +selection, disabling and enabling 64\-bit insns respectively. In +addition, \fBaltivec\fR, \fBany\fR, \fBlsp\fR, \fBhtm\fR, +\&\fBvsx\fR, \fBspe\fR and \fBspe2\fR add capabilities to a +previous \fIor later\fR CPU selection. +\&\fBany\fR will disassemble any opcode known to +binutils, but in cases where an opcode has two different meanings or +different arguments, you may not see the disassembly you expect. +If you disassemble without giving a CPU selection, a default will be +chosen from information gleaned by BFD from the object files headers, +but the result again may not be as you expect. +.Sp +For MIPS, this option controls the printing of instruction mnemonic +names and register names in disassembled instructions. Multiple +selections from the following may be specified as a comma separated +string, and invalid options are ignored: +.ie n .IP """no\-aliases""" 4 +.el .IP \f(CWno\-aliases\fR 4 +.IX Item "no-aliases" +Print the 'raw' instruction mnemonic instead of some pseudo +instruction mnemonic. I.e., print 'daddu' or 'or' instead of 'move', +\&'sll' instead of 'nop', etc. +.ie n .IP """msa""" 4 +.el .IP \f(CWmsa\fR 4 +.IX Item "msa" +Disassemble MSA instructions. +.ie n .IP """virt""" 4 +.el .IP \f(CWvirt\fR 4 +.IX Item "virt" +Disassemble the virtualization ASE instructions. +.ie n .IP """xpa""" 4 +.el .IP \f(CWxpa\fR 4 +.IX Item "xpa" +Disassemble the eXtended Physical Address (XPA) ASE instructions. +.ie n .IP """gpr\-names=\fIABI\fR""" 4 +.el .IP \f(CWgpr\-names=\fR\f(CIABI\fR\f(CW\fR 4 +.IX Item "gpr-names=ABI" +Print GPR (general-purpose register) names as appropriate +for the specified ABI. By default, GPR names are selected according to +the ABI of the binary being disassembled. +.ie n .IP """fpr\-names=\fIABI\fR""" 4 +.el .IP \f(CWfpr\-names=\fR\f(CIABI\fR\f(CW\fR 4 +.IX Item "fpr-names=ABI" +Print FPR (floating-point register) names as +appropriate for the specified ABI. By default, FPR numbers are printed +rather than names. +.ie n .IP """cp0\-names=\fIARCH\fR""" 4 +.el .IP \f(CWcp0\-names=\fR\f(CIARCH\fR\f(CW\fR 4 +.IX Item "cp0-names=ARCH" +Print CP0 (system control coprocessor; coprocessor 0) register names +as appropriate for the CPU or architecture specified by +\&\fIARCH\fR. By default, CP0 register names are selected according to +the architecture and CPU of the binary being disassembled. +.ie n .IP """hwr\-names=\fIARCH\fR""" 4 +.el .IP \f(CWhwr\-names=\fR\f(CIARCH\fR\f(CW\fR 4 +.IX Item "hwr-names=ARCH" +Print HWR (hardware register, used by the \f(CW\*(C`rdhwr\*(C'\fR instruction) names +as appropriate for the CPU or architecture specified by +\&\fIARCH\fR. By default, HWR names are selected according to +the architecture and CPU of the binary being disassembled. +.ie n .IP """reg\-names=\fIABI\fR""" 4 +.el .IP \f(CWreg\-names=\fR\f(CIABI\fR\f(CW\fR 4 +.IX Item "reg-names=ABI" +Print GPR and FPR names as appropriate for the selected ABI. +.ie n .IP """reg\-names=\fIARCH\fR""" 4 +.el .IP \f(CWreg\-names=\fR\f(CIARCH\fR\f(CW\fR 4 +.IX Item "reg-names=ARCH" +Print CPU-specific register names (CP0 register and HWR names) +as appropriate for the selected CPU or architecture. +.RE +.RS 4 +.Sp +For any of the options listed above, \fIABI\fR or +\&\fIARCH\fR may be specified as \fBnumeric\fR to have numbers printed +rather than names, for the selected types of registers. +You can list the available values of \fIABI\fR and \fIARCH\fR using +the \fB\-\-help\fR option. +.Sp +For VAX, you can specify function entry addresses with \fB\-M +entry:0xf00ba\fR. You can use this multiple times to properly +disassemble VAX binary files that don't contain symbol tables (like +ROM dumps). In these cases, the function entry mask would otherwise +be decoded as VAX instructions, which would probably lead the rest +of the function being wrongly disassembled. +.RE +.IP \fB\-p\fR 4 +.IX Item "-p" +.PD 0 +.IP \fB\-\-private\-headers\fR 4 +.IX Item "--private-headers" +.PD +Print information that is specific to the object file format. The exact +information printed depends upon the object file format. For some +object file formats, no additional information is printed. +.IP "\fB\-P\fR \fIoptions\fR" 4 +.IX Item "-P options" +.PD 0 +.IP \fB\-\-private=\fR\fIoptions\fR 4 +.IX Item "--private=options" +.PD +Print information that is specific to the object file format. The +argument \fIoptions\fR is a comma separated list that depends on the +format (the lists of options is displayed with the help). +.Sp +For XCOFF, the available options are: +.RS 4 +.ie n .IP """header""" 4 +.el .IP \f(CWheader\fR 4 +.IX Item "header" +.PD 0 +.ie n .IP """aout""" 4 +.el .IP \f(CWaout\fR 4 +.IX Item "aout" +.ie n .IP """sections""" 4 +.el .IP \f(CWsections\fR 4 +.IX Item "sections" +.ie n .IP """syms""" 4 +.el .IP \f(CWsyms\fR 4 +.IX Item "syms" +.ie n .IP """relocs""" 4 +.el .IP \f(CWrelocs\fR 4 +.IX Item "relocs" +.ie n .IP """lineno,""" 4 +.el .IP \f(CWlineno,\fR 4 +.IX Item "lineno," +.ie n .IP """loader""" 4 +.el .IP \f(CWloader\fR 4 +.IX Item "loader" +.ie n .IP """except""" 4 +.el .IP \f(CWexcept\fR 4 +.IX Item "except" +.ie n .IP """typchk""" 4 +.el .IP \f(CWtypchk\fR 4 +.IX Item "typchk" +.ie n .IP """traceback""" 4 +.el .IP \f(CWtraceback\fR 4 +.IX Item "traceback" +.ie n .IP """toc""" 4 +.el .IP \f(CWtoc\fR 4 +.IX Item "toc" +.ie n .IP """ldinfo""" 4 +.el .IP \f(CWldinfo\fR 4 +.IX Item "ldinfo" +.RE +.RS 4 +.PD +.Sp +For PE, the available options are: +.ie n .IP """header""" 4 +.el .IP \f(CWheader\fR 4 +.IX Item "header" +.PD 0 +.ie n .IP """sections""" 4 +.el .IP \f(CWsections\fR 4 +.IX Item "sections" +.RE +.RS 4 +.PD +.Sp +Not all object formats support this option. In particular the ELF +format does not use it. +.RE +.IP \fB\-r\fR 4 +.IX Item "-r" +.PD 0 +.IP \fB\-\-reloc\fR 4 +.IX Item "--reloc" +.PD +Print the relocation entries of the file. If used with \fB\-d\fR or +\&\fB\-D\fR, the relocations are printed interspersed with the +disassembly. +.IP \fB\-R\fR 4 +.IX Item "-R" +.PD 0 +.IP \fB\-\-dynamic\-reloc\fR 4 +.IX Item "--dynamic-reloc" +.PD +Print the dynamic relocation entries of the file. This is only +meaningful for dynamic objects, such as certain types of shared +libraries. As for \fB\-r\fR, if used with \fB\-d\fR or +\&\fB\-D\fR, the relocations are printed interspersed with the +disassembly. +.IP \fB\-s\fR 4 +.IX Item "-s" +.PD 0 +.IP \fB\-\-full\-contents\fR 4 +.IX Item "--full-contents" +.PD +Display the full contents of sections, often used in combination with +\&\fB\-j\fR to request specific sections. By default all non-empty +non-bss sections are displayed. By default any compressed section +will be displayed in its compressed form. In order to see the +contents in a decompressed form add the \fB\-Z\fR option to the +command line. +.IP \fB\-S\fR 4 +.IX Item "-S" +.PD 0 +.IP \fB\-\-source\fR 4 +.IX Item "--source" +.PD +Display source code intermixed with disassembly, if possible. Implies +\&\fB\-d\fR. +.IP \fB\-\-show\-all\-symbols\fR 4 +.IX Item "--show-all-symbols" +When disassembling, show all the symbols that match a given address, +not just the first one. +.IP \fB\-\-source\-comment[=\fR\fItxt\fR\fB]\fR 4 +.IX Item "--source-comment[=txt]" +Like the \fB\-S\fR option, but all source code lines are displayed +with a prefix of \fItxt\fR. Typically \fItxt\fR will be a comment +string which can be used to distinguish the assembler code from the +source code. If \fItxt\fR is not provided then a default string of +\&\fI"# "\fR (hash followed by a space), will be used. +.IP \fB\-\-prefix=\fR\fIprefix\fR 4 +.IX Item "--prefix=prefix" +Specify \fIprefix\fR to add to the absolute paths when used with +\&\fB\-S\fR. +.IP \fB\-\-prefix\-strip=\fR\fIlevel\fR 4 +.IX Item "--prefix-strip=level" +Indicate how many initial directory names to strip off the hardwired +absolute paths. It has no effect without \fB\-\-prefix=\fR\fIprefix\fR. +.IP \fB\-\-show\-raw\-insn\fR 4 +.IX Item "--show-raw-insn" +When disassembling instructions, print the instruction in hex as well as +in symbolic form. This is the default except when +\&\fB\-\-prefix\-addresses\fR is used. +.IP \fB\-\-no\-show\-raw\-insn\fR 4 +.IX Item "--no-show-raw-insn" +When disassembling instructions, do not print the instruction bytes. +This is the default when \fB\-\-prefix\-addresses\fR is used. +.IP \fB\-\-insn\-width=\fR\fIwidth\fR 4 +.IX Item "--insn-width=width" +Display \fIwidth\fR bytes on a single line when disassembling +instructions. +.IP \fB\-\-visualize\-jumps[=color|=extended\-color|=off]\fR 4 +.IX Item "--visualize-jumps[=color|=extended-color|=off]" +Visualize jumps that stay inside a function by drawing ASCII art between +the start and target addresses. The optional \fB=color\fR argument +adds color to the output using simple terminal colors. Alternatively +the \fB=extended\-color\fR argument will add color using 8bit +colors, but these might not work on all terminals. +.Sp +If it is necessary to disable the \fBvisualize-jumps\fR option +after it has previously been enabled then use +\&\fBvisualize\-jumps=off\fR. +.IP \fB\-\-disassembler\-color=off\fR 4 +.IX Item "--disassembler-color=off" +.PD 0 +.IP \fB\-\-disassembler\-color=terminal\fR 4 +.IX Item "--disassembler-color=terminal" +.IP \fB\-\-disassembler\-color=on|color|colour\fR 4 +.IX Item "--disassembler-color=on|color|colour" +.IP \fB\-\-disassembler\-color=extened|extended\-color|extened\-colour\fR 4 +.IX Item "--disassembler-color=extened|extended-color|extened-colour" +.PD +Enables or disables the use of colored syntax highlighting in +disassembly output. The default behaviour is determined via a +configure time option. Note, not all architectures support colored +syntax highlighting, and depending upon the terminal used, colored +output may not actually be legible. +.Sp +The \fBon\fR argument adds colors using simple terminal colors. +.Sp +The \fBterminal\fR argument does the same, but only if the output +device is a terminal. +.Sp +The \fBextended-color\fR argument is similar to the \fBon\fR +argument, but it uses 8\-bit colors. These may not work on all +terminals. +.Sp +The \fBoff\fR argument disables colored disassembly. +.IP \fB\-W[lLiaprmfFsoORtUuTgAckK]\fR 4 +.IX Item "-W[lLiaprmfFsoORtUuTgAckK]" +.PD 0 +.IP \fB\-\-dwarf[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames\-interp,=str,=str\-offsets,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges,=gdb_index,=addr,=cu_index,=links,=follow\-links]\fR 4 +.IX Item "--dwarf[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=str-offsets,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges,=gdb_index,=addr,=cu_index,=links,=follow-links]" +.PD +Displays the contents of the DWARF debug sections in the file, if any +are present. Compressed debug sections are automatically decompressed +(temporarily) before they are displayed. If one or more of the +optional letters or words follows the switch then only those type(s) +of data will be dumped. The letters and words refer to the following +information: +.RS 4 +.ie n .IP """a""" 4 +.el .IP \f(CWa\fR 4 +.IX Item "a" +.PD 0 +.ie n .IP """=abbrev""" 4 +.el .IP \f(CW=abbrev\fR 4 +.IX Item "=abbrev" +.PD +Displays the contents of the \fB.debug_abbrev\fR section. +.ie n .IP """A""" 4 +.el .IP \f(CWA\fR 4 +.IX Item "A" +.PD 0 +.ie n .IP """=addr""" 4 +.el .IP \f(CW=addr\fR 4 +.IX Item "=addr" +.PD +Displays the contents of the \fB.debug_addr\fR section. +.ie n .IP """c""" 4 +.el .IP \f(CWc\fR 4 +.IX Item "c" +.PD 0 +.ie n .IP """=cu_index""" 4 +.el .IP \f(CW=cu_index\fR 4 +.IX Item "=cu_index" +.PD +Displays the contents of the \fB.debug_cu_index\fR and/or +\&\fB.debug_tu_index\fR sections. +.ie n .IP """f""" 4 +.el .IP \f(CWf\fR 4 +.IX Item "f" +.PD 0 +.ie n .IP """=frames""" 4 +.el .IP \f(CW=frames\fR 4 +.IX Item "=frames" +.PD +Display the raw contents of a \fB.debug_frame\fR section. +.ie n .IP """F""" 4 +.el .IP \f(CWF\fR 4 +.IX Item "F" +.PD 0 +.ie n .IP """=frames\-interp""" 4 +.el .IP \f(CW=frames\-interp\fR 4 +.IX Item "=frames-interp" +.PD +Display the interpreted contents of a \fB.debug_frame\fR section. +.ie n .IP """g""" 4 +.el .IP \f(CWg\fR 4 +.IX Item "g" +.PD 0 +.ie n .IP """=gdb_index""" 4 +.el .IP \f(CW=gdb_index\fR 4 +.IX Item "=gdb_index" +.PD +Displays the contents of the \fB.gdb_index\fR and/or +\&\fB.debug_names\fR sections. +.ie n .IP """i""" 4 +.el .IP \f(CWi\fR 4 +.IX Item "i" +.PD 0 +.ie n .IP """=info""" 4 +.el .IP \f(CW=info\fR 4 +.IX Item "=info" +.PD +Displays the contents of the \fB.debug_info\fR section. Note: the +output from this option can also be restricted by the use of the +\&\fB\-\-dwarf\-depth\fR and \fB\-\-dwarf\-start\fR options. +.ie n .IP """k""" 4 +.el .IP \f(CWk\fR 4 +.IX Item "k" +.PD 0 +.ie n .IP """=links""" 4 +.el .IP \f(CW=links\fR 4 +.IX Item "=links" +.PD +Displays the contents of the \fB.gnu_debuglink\fR, +\&\fB.gnu_debugaltlink\fR and \fB.debug_sup\fR sections, if any of +them are present. Also displays any links to separate dwarf object +files (dwo), if they are specified by the DW_AT_GNU_dwo_name or +DW_AT_dwo_name attributes in the \fB.debug_info\fR section. +.ie n .IP """K""" 4 +.el .IP \f(CWK\fR 4 +.IX Item "K" +.PD 0 +.ie n .IP """=follow\-links""" 4 +.el .IP \f(CW=follow\-links\fR 4 +.IX Item "=follow-links" +.PD +Display the contents of any selected debug sections that are found in +linked, separate debug info file(s). This can result in multiple +versions of the same debug section being displayed if it exists in +more than one file. +.Sp +In addition, when displaying DWARF attributes, if a form is found that +references the separate debug info file, then the referenced contents +will also be displayed. +.Sp +Note \- in some distributions this option is enabled by default. It +can be disabled via the \fBN\fR debug option. The default can be +chosen when configuring the binutils via the +\&\fB\-\-enable\-follow\-debug\-links=yes\fR or +\&\fB\-\-enable\-follow\-debug\-links=no\fR options. If these are not +used then the default is to enable the following of debug links. +.Sp +Note \- if support for the debuginfod protocol was enabled when the +binutils were built then this option will also include an attempt to +contact any debuginfod servers mentioned in the \fIDEBUGINFOD_URLS\fR +environment variable. This could take some time to resolve. This +behaviour can be disabled via the \fB=do\-not\-use\-debuginfod\fR debug +option. +.ie n .IP """N""" 4 +.el .IP \f(CWN\fR 4 +.IX Item "N" +.PD 0 +.ie n .IP """=no\-follow\-links""" 4 +.el .IP \f(CW=no\-follow\-links\fR 4 +.IX Item "=no-follow-links" +.PD +Disables the following of links to separate debug info files. +.ie n .IP """D""" 4 +.el .IP \f(CWD\fR 4 +.IX Item "D" +.PD 0 +.ie n .IP """=use\-debuginfod""" 4 +.el .IP \f(CW=use\-debuginfod\fR 4 +.IX Item "=use-debuginfod" +.PD +Enables contacting debuginfod servers if there is a need to follow +debug links. This is the default behaviour. +.ie n .IP """E""" 4 +.el .IP \f(CWE\fR 4 +.IX Item "E" +.PD 0 +.ie n .IP """=do\-not\-use\-debuginfod""" 4 +.el .IP \f(CW=do\-not\-use\-debuginfod\fR 4 +.IX Item "=do-not-use-debuginfod" +.PD +Disables contacting debuginfod servers when there is a need to follow +debug links. +.ie n .IP """l""" 4 +.el .IP \f(CWl\fR 4 +.IX Item "l" +.PD 0 +.ie n .IP """=rawline""" 4 +.el .IP \f(CW=rawline\fR 4 +.IX Item "=rawline" +.PD +Displays the contents of the \fB.debug_line\fR section in a raw +format. +.ie n .IP """L""" 4 +.el .IP \f(CWL\fR 4 +.IX Item "L" +.PD 0 +.ie n .IP """=decodedline""" 4 +.el .IP \f(CW=decodedline\fR 4 +.IX Item "=decodedline" +.PD +Displays the interpreted contents of the \fB.debug_line\fR section. +.ie n .IP """m""" 4 +.el .IP \f(CWm\fR 4 +.IX Item "m" +.PD 0 +.ie n .IP """=macro""" 4 +.el .IP \f(CW=macro\fR 4 +.IX Item "=macro" +.PD +Displays the contents of the \fB.debug_macro\fR and/or +\&\fB.debug_macinfo\fR sections. +.ie n .IP """o""" 4 +.el .IP \f(CWo\fR 4 +.IX Item "o" +.PD 0 +.ie n .IP """=loc""" 4 +.el .IP \f(CW=loc\fR 4 +.IX Item "=loc" +.PD +Displays the contents of the \fB.debug_loc\fR and/or +\&\fB.debug_loclists\fR sections. +.ie n .IP """O""" 4 +.el .IP \f(CWO\fR 4 +.IX Item "O" +.PD 0 +.ie n .IP """=str\-offsets""" 4 +.el .IP \f(CW=str\-offsets\fR 4 +.IX Item "=str-offsets" +.PD +Displays the contents of the \fB.debug_str_offsets\fR section. +.ie n .IP """p""" 4 +.el .IP \f(CWp\fR 4 +.IX Item "p" +.PD 0 +.ie n .IP """=pubnames""" 4 +.el .IP \f(CW=pubnames\fR 4 +.IX Item "=pubnames" +.PD +Displays the contents of the \fB.debug_pubnames\fR and/or +\&\fB.debug_gnu_pubnames\fR sections. +.ie n .IP """r""" 4 +.el .IP \f(CWr\fR 4 +.IX Item "r" +.PD 0 +.ie n .IP """=aranges""" 4 +.el .IP \f(CW=aranges\fR 4 +.IX Item "=aranges" +.PD +Displays the contents of the \fB.debug_aranges\fR section. +.ie n .IP """R""" 4 +.el .IP \f(CWR\fR 4 +.IX Item "R" +.PD 0 +.ie n .IP """=Ranges""" 4 +.el .IP \f(CW=Ranges\fR 4 +.IX Item "=Ranges" +.PD +Displays the contents of the \fB.debug_ranges\fR and/or +\&\fB.debug_rnglists\fR sections. +.ie n .IP """s""" 4 +.el .IP \f(CWs\fR 4 +.IX Item "s" +.PD 0 +.ie n .IP """=str""" 4 +.el .IP \f(CW=str\fR 4 +.IX Item "=str" +.PD +Displays the contents of the \fB.debug_str\fR, \fB.debug_line_str\fR +and/or \fB.debug_str_offsets\fR sections. +.ie n .IP """t""" 4 +.el .IP \f(CWt\fR 4 +.IX Item "t" +.PD 0 +.ie n .IP """=pubtype""" 4 +.el .IP \f(CW=pubtype\fR 4 +.IX Item "=pubtype" +.PD +Displays the contents of the \fB.debug_pubtypes\fR and/or +\&\fB.debug_gnu_pubtypes\fR sections. +.ie n .IP """T""" 4 +.el .IP \f(CWT\fR 4 +.IX Item "T" +.PD 0 +.ie n .IP """=trace_aranges""" 4 +.el .IP \f(CW=trace_aranges\fR 4 +.IX Item "=trace_aranges" +.PD +Displays the contents of the \fB.trace_aranges\fR section. +.ie n .IP """u""" 4 +.el .IP \f(CWu\fR 4 +.IX Item "u" +.PD 0 +.ie n .IP """=trace_abbrev""" 4 +.el .IP \f(CW=trace_abbrev\fR 4 +.IX Item "=trace_abbrev" +.PD +Displays the contents of the \fB.trace_abbrev\fR section. +.ie n .IP """U""" 4 +.el .IP \f(CWU\fR 4 +.IX Item "U" +.PD 0 +.ie n .IP """=trace_info""" 4 +.el .IP \f(CW=trace_info\fR 4 +.IX Item "=trace_info" +.PD +Displays the contents of the \fB.trace_info\fR section. +.RE +.RS 4 +.Sp +Note: displaying the contents of \fB.debug_static_funcs\fR, +\&\fB.debug_static_vars\fR and \fBdebug_weaknames\fR sections is not +currently supported. +.RE +.IP \fB\-\-dwarf\-depth=\fR\fIn\fR 4 +.IX Item "--dwarf-depth=n" +Limit the dump of the \f(CW\*(C`.debug_info\*(C'\fR section to \fIn\fR children. +This is only useful with \fB\-\-debug\-dump=info\fR. The default is +to print all DIEs; the special value 0 for \fIn\fR will also have this +effect. +.Sp +With a non-zero value for \fIn\fR, DIEs at or deeper than \fIn\fR +levels will not be printed. The range for \fIn\fR is zero-based. +.IP \fB\-\-dwarf\-start=\fR\fIn\fR 4 +.IX Item "--dwarf-start=n" +Print only DIEs beginning with the DIE numbered \fIn\fR. This is only +useful with \fB\-\-debug\-dump=info\fR. +.Sp +If specified, this option will suppress printing of any header +information and all DIEs before the DIE numbered \fIn\fR. Only +siblings and children of the specified DIE will be printed. +.Sp +This can be used in conjunction with \fB\-\-dwarf\-depth\fR. +.IP \fB\-\-dwarf\-check\fR 4 +.IX Item "--dwarf-check" +Enable additional checks for consistency of Dwarf information. +.IP \fB\-\-ctf[=\fR\fIsection\fR\fB]\fR 4 +.IX Item "--ctf[=section]" +Display the contents of the specified CTF section. CTF sections themselves +contain many subsections, all of which are displayed in order. +.Sp +By default, display the name of the section named \fI.ctf\fR, which is the +name emitted by \fBld\fR. +.IP \fB\-\-ctf\-parent=\fR\fImember\fR 4 +.IX Item "--ctf-parent=member" +If the CTF section contains ambiguously-defined types, it will consist +of an archive of many CTF dictionaries, all inheriting from one +dictionary containing unambiguous types. This member is by default +named \fI.ctf\fR, like the section containing it, but it is possible to +change this name using the \f(CW\*(C`ctf_link_set_memb_name_changer\*(C'\fR +function at link time. When looking at CTF archives that have been +created by a linker that uses the name changer to rename the parent +archive member, \fB\-\-ctf\-parent\fR can be used to specify the name +used for the parent. +.IP \fB\-\-sframe[=\fR\fIsection\fR\fB]\fR 4 +.IX Item "--sframe[=section]" +Display the contents of the specified SFrame section. +.Sp +By default, display the name of the section named \fI.sframe\fR, which is the +name emitted by \fBld\fR. +.IP \fB\-G\fR 4 +.IX Item "-G" +.PD 0 +.IP \fB\-\-stabs\fR 4 +.IX Item "--stabs" +.PD +Display the full contents of any sections requested. Display the +contents of the .stab and .stab.index and .stab.excl sections from an +ELF file. This is only useful on systems (such as Solaris 2.0) in which +\&\f(CW\*(C`.stab\*(C'\fR debugging symbol-table entries are carried in an ELF +section. In most other file formats, debugging symbol-table entries are +interleaved with linkage symbols, and are visible in the \fB\-\-syms\fR +output. +.IP \fB\-\-start\-address=\fR\fIaddress\fR 4 +.IX Item "--start-address=address" +Start displaying data at the specified address. This affects the output +of the \fB\-d\fR, \fB\-r\fR and \fB\-s\fR options. +.IP \fB\-\-stop\-address=\fR\fIaddress\fR 4 +.IX Item "--stop-address=address" +Stop displaying data at the specified address. This affects the output +of the \fB\-d\fR, \fB\-r\fR and \fB\-s\fR options. +.IP \fB\-t\fR 4 +.IX Item "-t" +.PD 0 +.IP \fB\-\-syms\fR 4 +.IX Item "--syms" +.PD +Print the symbol table entries of the file. +This is similar to the information provided by the \fBnm\fR program, +although the display format is different. The format of the output +depends upon the format of the file being dumped, but there are two main +types. One looks like this: +.Sp +.Vb 2 +\& [ 4](sec 3)(fl 0x00)(ty 0)(scl 3) (nx 1) 0x00000000 .bss +\& [ 6](sec 1)(fl 0x00)(ty 0)(scl 2) (nx 0) 0x00000000 fred +.Ve +.Sp +where the number inside the square brackets is the number of the entry +in the symbol table, the \fIsec\fR number is the section number, the +\&\fIfl\fR value are the symbol's flag bits, the \fIty\fR number is the +symbol's type, the \fIscl\fR number is the symbol's storage class and +the \fInx\fR value is the number of auxiliary entries associated with +the symbol. The last two fields are the symbol's value and its name. +.Sp +The other common output format, usually seen with ELF based files, +looks like this: +.Sp +.Vb 2 +\& 00000000 l d .bss 00000000 .bss +\& 00000000 g .text 00000000 fred +.Ve +.Sp +Here the first number is the symbol's value (sometimes referred to as +its address). The next field is actually a set of characters and +spaces indicating the flag bits that are set on the symbol. These +characters are described below. Next is the section with which the +symbol is associated or \fI*ABS*\fR if the section is absolute (ie +not connected with any section), or \fI*UND*\fR if the section is +referenced in the file being dumped, but not defined there. +.Sp +After the section name comes another field, a number, which for common +symbols is the alignment and for other symbol is the size. Finally +the symbol's name is displayed. +.Sp +The flag characters are divided into 7 groups as follows: +.RS 4 +.ie n .IP """l""" 4 +.el .IP \f(CWl\fR 4 +.IX Item "l" +.PD 0 +.ie n .IP """g""" 4 +.el .IP \f(CWg\fR 4 +.IX Item "g" +.ie n .IP """u""" 4 +.el .IP \f(CWu\fR 4 +.IX Item "u" +.ie n .IP """!""" 4 +.el .IP \f(CW!\fR 4 +.IX Item "!" +.PD +The symbol is a local (l), global (g), unique global (u), neither +global nor local (a space) or both global and local (!). A +symbol can be neither local or global for a variety of reasons, e.g., +because it is used for debugging, but it is probably an indication of +a bug if it is ever both local and global. Unique global symbols are +a GNU extension to the standard set of ELF symbol bindings. For such +a symbol the dynamic linker will make sure that in the entire process +there is just one symbol with this name and type in use. +.ie n .IP """w""" 4 +.el .IP \f(CWw\fR 4 +.IX Item "w" +The symbol is weak (w) or strong (a space). +.ie n .IP """C""" 4 +.el .IP \f(CWC\fR 4 +.IX Item "C" +The symbol denotes a constructor (C) or an ordinary symbol (a space). +.ie n .IP """W""" 4 +.el .IP \f(CWW\fR 4 +.IX Item "W" +The symbol is a warning (W) or a normal symbol (a space). A warning +symbol's name is a message to be displayed if the symbol following the +warning symbol is ever referenced. +.ie n .IP """I""" 4 +.el .IP \f(CWI\fR 4 +.IX Item "I" +.PD 0 +.ie n .IP """i""" 4 +.el .IP \f(CWi\fR 4 +.IX Item "i" +.PD +The symbol is an indirect reference to another symbol (I), a function +to be evaluated during reloc processing (i) or a normal symbol (a +space). +.ie n .IP """d""" 4 +.el .IP \f(CWd\fR 4 +.IX Item "d" +.PD 0 +.ie n .IP """D""" 4 +.el .IP \f(CWD\fR 4 +.IX Item "D" +.PD +The symbol is a debugging symbol (d) or a dynamic symbol (D) or a +normal symbol (a space). +.ie n .IP """F""" 4 +.el .IP \f(CWF\fR 4 +.IX Item "F" +.PD 0 +.ie n .IP """f""" 4 +.el .IP \f(CWf\fR 4 +.IX Item "f" +.ie n .IP """O""" 4 +.el .IP \f(CWO\fR 4 +.IX Item "O" +.PD +The symbol is the name of a function (F) or a file (f) or an object +(O) or just a normal symbol (a space). +.RE +.RS 4 +.RE +.IP \fB\-T\fR 4 +.IX Item "-T" +.PD 0 +.IP \fB\-\-dynamic\-syms\fR 4 +.IX Item "--dynamic-syms" +.PD +Print the dynamic symbol table entries of the file. This is only +meaningful for dynamic objects, such as certain types of shared +libraries. This is similar to the information provided by the \fBnm\fR +program when given the \fB\-D\fR (\fB\-\-dynamic\fR) option. +.Sp +The output format is similar to that produced by the \fB\-\-syms\fR +option, except that an extra field is inserted before the symbol's +name, giving the version information associated with the symbol. +If the version is the default version to be used when resolving +unversioned references to the symbol then it's displayed as is, +otherwise it's put into parentheses. +.IP \fB\-\-special\-syms\fR 4 +.IX Item "--special-syms" +When displaying symbols include those which the target considers to be +special in some way and which would not normally be of interest to the +user. +.IP "\fB\-U\fR \fI[d|i|l|e|x|h]\fR" 4 +.IX Item "-U [d|i|l|e|x|h]" +.PD 0 +.IP \fB\-\-unicode=\fR\fI[default|invalid|locale|escape|hex|highlight]\fR 4 +.IX Item "--unicode=[default|invalid|locale|escape|hex|highlight]" +.PD +Controls the display of UTF\-8 encoded multibyte characters in strings. +The default (\fB\-\-unicode=default\fR) is to give them no special +treatment. The \fB\-\-unicode=locale\fR option displays the sequence +in the current locale, which may or may not support them. The options +\&\fB\-\-unicode=hex\fR and \fB\-\-unicode=invalid\fR display them as +hex byte sequences enclosed by either angle brackets or curly braces. +.Sp +The \fB\-\-unicode=escape\fR option displays them as escape sequences +(\fI\euxxxx\fR) and the \fB\-\-unicode=highlight\fR option displays +them as escape sequences highlighted in red (if supported by the +output device). The colouring is intended to draw attention to the +presence of unicode sequences where they might not be expected. +.IP \fB\-V\fR 4 +.IX Item "-V" +.PD 0 +.IP \fB\-\-version\fR 4 +.IX Item "--version" +.PD +Print the version number of \fBobjdump\fR and exit. +.IP \fB\-x\fR 4 +.IX Item "-x" +.PD 0 +.IP \fB\-\-all\-headers\fR 4 +.IX Item "--all-headers" +.PD +Display all available header information, including the symbol table and +relocation entries. Using \fB\-x\fR is equivalent to specifying all of +\&\fB\-a \-f \-h \-p \-r \-t\fR. +.IP \fB\-w\fR 4 +.IX Item "-w" +.PD 0 +.IP \fB\-\-wide\fR 4 +.IX Item "--wide" +.PD +Format some lines for output devices that have more than 80 columns. +Also do not truncate symbol names when they are displayed. +.IP \fB\-z\fR 4 +.IX Item "-z" +.PD 0 +.IP \fB\-\-disassemble\-zeroes\fR 4 +.IX Item "--disassemble-zeroes" +.PD +Normally the disassembly output will skip blocks of zeroes. This +option directs the disassembler to disassemble those blocks, just like +any other data. +.IP \fB\-Z\fR 4 +.IX Item "-Z" +.PD 0 +.IP \fB\-\-decompress\fR 4 +.IX Item "--decompress" +.PD +The \fB\-Z\fR option is meant to be used in conunction with the +\&\fB\-s\fR option. It instructs \fBobjdump\fR to decompress any +compressed sections before displaying their contents. +.IP \fB@\fR\fIfile\fR 4 +.IX Item "@file" +Read command-line options from \fIfile\fR. The options read are +inserted in place of the original @\fIfile\fR option. If \fIfile\fR +does not exist, or cannot be read, then the option will be treated +literally, and not removed. +.Sp +Options in \fIfile\fR are separated by whitespace. A whitespace +character may be included in an option by surrounding the entire +option in either single or double quotes. Any character (including a +backslash) may be included by prefixing the character to be included +with a backslash. The \fIfile\fR may itself contain additional +@\fIfile\fR options; any such options will be processed recursively. +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fBnm\fR\|(1), \fBreadelf\fR\|(1), and the Info entries for \fIbinutils\fR. +.SH COPYRIGHT +.IX Header "COPYRIGHT" +Copyright (c) 1991\-2024 Free Software Foundation, Inc. +.PP +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 +or any later version published by the Free Software Foundation; +with no Invariant Sections, with no Front-Cover Texts, and with no +Back-Cover Texts. A copy of the license is included in the +section entitled "GNU Free Documentation License". |