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help for libthread_db (define ps_prochandle)

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add symbols to unwind for disasesmbly-based stack unwinding

add global state for library to help debugger programs
(symhdr etc., attachproc, attachcore, attachargs).
This commit is contained in:
rsc 2004-12-25 22:01:28 +00:00
parent 39b3054a5f
commit cdf1805191
1 changed files with 26 additions and 3 deletions
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29
include/mach.h
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@ -246,6 +246,7 @@ struct Fhdr
ulong sppcoff; /* offset of sp-pc table in file */
ulong lnpcsz; /* size of line number-pc table */
ulong lnpcoff; /* size of line number-pc table */
char *txtfil; /* text name, for core files */
void *elf; /* handle to elf image */
void *dwarf; /* handle to dwarf image */
void *macho; /* handle to mach-o image */
@ -276,7 +277,7 @@ struct Fhdr
int (*indexlsym)(Fhdr*, Symbol*, uint, Symbol*);
int (*findlsym)(Fhdr*, Symbol*, Loc, Symbol*);
int (*unwind)(Fhdr*, Map*, Regs*, ulong*);
int (*unwind)(Fhdr*, Map*, Regs*, ulong*, Symbol*);
};
Fhdr* crackhdr(char *file, int mode);
@ -303,6 +304,22 @@ int ctlproc(int pid, char *msg);
int procnotes(int pid, char ***notes);
char* proctextfile(int pid);
/*
* Command-line debugger help
*/
extern Fhdr *symhdr;
extern Fhdr *corhdr;
extern char *symfil;
extern char *corfil;
extern int corpid;
extern Regs *correg;
extern Map *symmap;
extern Map *cormap;
int attachproc(int pid);
int attachcore(Fhdr *hdr);
int attachargs(int argc, char **argv, int omode);
/*
* Machine descriptions.
*
@ -383,7 +400,7 @@ struct Mach
int (*foll)(Map*, Regs*, ulong, ulong*); /* follow set */
char* (*exc)(Map*, Regs*); /* last exception */
int (*unwind)(Map*, Regs*, ulong*);
int (*unwind)(Map*, Regs*, ulong*, Symbol*);
/* cvt to local byte order */
u16int (*swap2)(u16int);
@ -472,11 +489,12 @@ int lookuplsym(Symbol *s1, char *name, Symbol *s2);
int indexlsym(Symbol *s1, uint ndx, Symbol *s2);
int findlsym(Symbol *s1, Loc loc, Symbol *s);
int symoff(char *a, uint n, ulong addr, uint class);
int unwindframe(Map *map, Regs *regs, ulong *next);
int unwindframe(Map *map, Regs *regs, ulong *next, Symbol*);
void _addhdr(Fhdr*);
void _delhdr(Fhdr*);
extern Fhdr* fhdrlist;
Fhdr* findhdr(char*);
Symbol* flookupsym(Fhdr*, char*);
Symbol* ffindsym(Fhdr*, Loc, uint);
@ -501,4 +519,9 @@ int locfmt(Fmt*);
int loccmp(Loc*, Loc*);
int locsimplify(Map *map, Regs *regs, Loc loc, Loc *newloc);
struct ps_prochandle
{
int pid;
};
extern int machdebug;