55 lines
2.1 KiB
C
55 lines
2.1 KiB
C
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#ifndef __KERN_DEBUG_STAB_H__
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#define __KERN_DEBUG_STAB_H__
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#include <defs.h>
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/* *
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* STABS debugging info
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*
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* The kernel debugger can understand some debugging information in
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* the STABS format. For more information on this format, see
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* http://sources.redhat.com/gdb/onlinedocs/stabs_toc.html
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*
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* The constants below define some symbol types used by various debuggers
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* and compilers. Kernel uses the N_SO, N_SOL, N_FUN, and N_SLINE types.
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* */
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#define N_GSYM 0x20 // global symbol
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#define N_FNAME 0x22 // F77 function name
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#define N_FUN 0x24 // procedure name
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#define N_STSYM 0x26 // data segment variable
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#define N_LCSYM 0x28 // bss segment variable
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#define N_MAIN 0x2a // main function name
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#define N_PC 0x30 // global Pascal symbol
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#define N_RSYM 0x40 // register variable
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#define N_SLINE 0x44 // text segment line number
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#define N_DSLINE 0x46 // data segment line number
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#define N_BSLINE 0x48 // bss segment line number
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#define N_SSYM 0x60 // structure/union element
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#define N_SO 0x64 // main source file name
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#define N_LSYM 0x80 // stack variable
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#define N_BINCL 0x82 // include file beginning
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#define N_SOL 0x84 // included source file name
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#define N_PSYM 0xa0 // parameter variable
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#define N_EINCL 0xa2 // include file end
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#define N_ENTRY 0xa4 // alternate entry point
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#define N_LBRAC 0xc0 // left bracket
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#define N_EXCL 0xc2 // deleted include file
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#define N_RBRAC 0xe0 // right bracket
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#define N_BCOMM 0xe2 // begin common
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#define N_ECOMM 0xe4 // end common
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#define N_ECOML 0xe8 // end common (local name)
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#define N_LENG 0xfe // length of preceding entry
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/* Entries in the STABS table are formatted as follows. */
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struct stab {
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uint32_t n_strx; // index into string table of name
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uint8_t n_type; // type of symbol
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uint8_t n_other; // misc info (usually empty)
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uint16_t n_desc; // description field
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uintptr_t n_value; // value of symbol
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};
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#endif /* !__KERN_DEBUG_STAB_H__ */
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