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