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Table of Stab Types

The following are all the possible values for the stab type field, for a.out files, in numeric order. This does not apply to XCOFF, but it does apply to stabs in sections (see section Using Stabs in Their Own Sections). Stabs in ECOFF use these values but add 0x8f300 to distinguish them from non-stab symbols.

The symbolic names are defined in the file `include/aout/stabs.def'.

Non-Stab Symbol Types

The following types are used by the linker and assembler, not by stab directives. Since this document does not attempt to describe aspects of object file format other than the debugging format, no details are given.

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0x0 N_UNDF
Undefined symbol
0x2 N_ABS
File scope absolute symbol
0x3 N_ABS | N_EXT
External absolute symbol
0x4 N_TEXT
File scope text symbol
0x5 N_TEXT | N_EXT
External text symbol
0x6 N_DATA
File scope data symbol
0x7 N_DATA | N_EXT
External data symbol
0x8 N_BSS
File scope BSS symbol
0x9 N_BSS | N_EXT
External BSS symbol
0x0c N_FN_SEQ
Same as N_FN, for Sequent compilers
0x0a N_INDR
Symbol is indirected to another symbol
0x12 N_COMM
Common--visible after shared library dynamic link
0x14 N_SETA
0x15 N_SETA | N_EXT
Absolute set element
0x16 N_SETT
0x17 N_SETT | N_EXT
Text segment set element
0x18 N_SETD
0x19 N_SETD | N_EXT
Data segment set element
0x1a N_SETB
0x1b N_SETB | N_EXT
BSS segment set element
0x1c N_SETV
0x1d N_SETV | N_EXT
Pointer to set vector
0x1e N_WARNING
Print a warning message during linking
0x1f N_FN
File name of a `.o' file

Stab Symbol Types

The following symbol types indicate that this is a stab. This is the full list of stab numbers, including stab types that are used in languages other than C.

0x20 N_GSYM
Global symbol; see section Global Variables.
0x22 N_FNAME
Function name (for BSD Fortran); see section Procedures.
0x24 N_FUN
Function name (see section Procedures) or text segment variable (see section Static Variables).
0x26 N_STSYM
Data segment file-scope variable; see section Static Variables.
0x28 N_LCSYM
BSS segment file-scope variable; see section Static Variables.
0x2a N_MAIN
Name of main routine; see section Main Program.
0x2c N_ROSYM
Variable in .rodata section; see section Static Variables.
0x2e N_BNSYM
Start of a relocatable symbol block; see section Coalesced Symbol Blocks.
0x30 N_PC
Global symbol (for Pascal); see section N_PC.
0x32 N_NSYMS
Number of symbols (according to Ultrix V4.0); see section N_NSYMS.
0x34 N_NOMAP
No DST map; see section N_NOMAP.
0x38 N_OBJ
Object file (Solaris2).
0x3c N_OPT
Debugger options (Solaris2).
0x40 N_RSYM
Register variable; see section Register Variables.
0x42 N_M2C
Modula-2 compilation unit; see section N_M2C.
0x44 N_SLINE
Line number in text segment; see section Line Numbers.
0x46 N_DSLINE
Line number in data segment; see section Line Numbers.
0x48 N_BSLINE
Line number in bss segment; see section Line Numbers.
0x48 N_BROWS
Sun source code browser, path to `.cb' file; see section N_BROWS.
0x4a N_DEFD
GNU Modula2 definition module dependency; see section N_DEFD.
0x4c N_FLINE
Function start/body/end line numbers (Solaris2).
0x4e N_ENSYM
End of a relocatble symbol block; see section Coalesced Symbol Blocks.
0x50 N_EHDECL
GNU C++ exception variable; see section N_EHDECL.
0x50 N_MOD2
Modula2 info "for imc" (according to Ultrix V4.0); see section N_MOD2.
0x54 N_CATCH
GNU C++ catch clause; see section N_CATCH.
0x60 N_SSYM
Structure of union element; see section N_SSYM.
0x62 N_ENDM
Last stab for module (Solaris2).
0x64 N_SO
Path and name of source file; see section Paths and Names of the Source Files.
0x80 N_LSYM
Stack variable (see section Automatic Variables Allocated on the Stack) or type (see section Giving a Type a Name).
0x82 N_BINCL
Beginning of an include file (Sun only); see section Names of Include Files.
0x84 N_SOL
Name of include file; see section Names of Include Files.
0xa0 N_PSYM
Parameter variable; see section Parameters.
0xa2 N_EINCL
End of an include file; see section Names of Include Files.
0xa4 N_ENTRY
Alternate entry point; see section Alternate Entry Points.
0xc0 N_LBRAC
Beginning of a lexical block; see section Block Structure.
0xc2 N_EXCL
Place holder for a deleted include file; see section Names of Include Files.
0xc4 N_SCOPE
Modula2 scope information (Sun linker); see section N_SCOPE.
0xe0 N_RBRAC
End of a lexical block; see section Block Structure.
0xe2 N_BCOMM
Begin named common block; see section Common Blocks.
0xe4 N_ECOMM
End named common block; see section Common Blocks.
0xe8 N_ECOML
Member of a common block; see section Common Blocks.
0xea N_WITH
Pascal with statement: type,,0,0,offset (Solaris2).
0xf0 N_NBTEXT
Gould non-base registers; see section Non-base registers on Gould systems.
0xf2 N_NBDATA
Gould non-base registers; see section Non-base registers on Gould systems.
0xf4 N_NBBSS
Gould non-base registers; see section Non-base registers on Gould systems.
0xf6 N_NBSTS
Gould non-base registers; see section Non-base registers on Gould systems.
0xf8 N_NBLCS
Gould non-base registers; see section Non-base registers on Gould systems.

@tableindent=.8in


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