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how to view symbol table in unix
Post 302167230 by H2OBoodle on Thursday 14th of February 2008 12:02:44 AM
02-14-2008
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8 More Discussions You Might Find Interesting
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Hi@all,
I try to compile c code on hpux 11.11 pa-risc 2 with gcc (32bit). I compile with the option -g, so that I get the symbol table, but it is not available. Does someone knows something on this?
thx (2 Replies)
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Hi,
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LEARN ABOUT NETBSD
dbsym
DBSYM(8) BSD System Manager's Manual DBSYM(8) NAME
dbsym -- copy kernel symbol table into db_symtab space SYNOPSIS
dbsym [-v] [-b bfdname] kernel DESCRIPTION
dbsym is used to copy the symbol table in a newly linked kernel into the db_symtab array (in the data section) so that the ddb(4) kernel debugger can find the symbols. This program is only used on systems for which the boot program does not load the symbol table into memory with the kernel. The space for these symbols is reserved in the data segment using a config option like: options SYMTAB_SPACE=72000 The size of the db_symtab array (the value of SYMTAB_SPACE) must be at least as large as the kernel symbol table. If insufficient space is reserved, dbsym will refuse to copy the symbol table. To recognize kernel executable format, the -b flag specifies BFD name of kernel. If the -v flag is given, dbsym will print out status information as it is copying the symbol table. Note that debugging symbols are not useful to the ddb(4) kernel debugger, so to minimize the size of the kernel, one should either compile the kernel without debugging symbols (no -g flag) or use the strip(1) command to strip debugging symbols from the kernel before dbsym is used to copy the symbol table. The command strip -d netbsd will strip out debugging symbols. SEE ALSO
strip(1), ddb(4) BSD
November 9, 2001 BSD