diff options
Diffstat (limited to 'gdb/symfile.h')
| -rw-r--r-- | gdb/symfile.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/gdb/symfile.h b/gdb/symfile.h index 7024ace518c..bf3f7a02abe 100644 --- a/gdb/symfile.h +++ b/gdb/symfile.h @@ -22,6 +22,7 @@ /* This file requires that you first include "bfd.h". */ #include "symtab.h" +#include "gdb_vecs.h" /* Opaque declarations. */ struct target_section; @@ -29,6 +30,11 @@ struct objfile; struct obj_section; struct obstack; struct block; +struct probe; +struct value; +struct frame_info; +struct agent_expr; +struct axs_value; /* Comparison function for symbol look ups. */ @@ -297,6 +303,52 @@ struct quick_symbol_functions int need_fullname); }; +/* Structure of functions used for probe support. If one of these functions + is provided, all must be. */ + +struct sym_probe_fns +{ + /* If non-NULL, return an array of probe objects. + + The returned value does not have to be freed and it has lifetime of the + OBJFILE. */ + VEC (probe_p) *(*sym_get_probes) (struct objfile *); + + /* Return the number of arguments available to PROBE. PROBE will + have come from a call to this objfile's sym_get_probes method. + If you provide an implementation of sym_get_probes, you must + implement this method as well. */ + unsigned (*sym_get_probe_argument_count) (struct objfile *objfile, + struct probe *probe); + + /* Evaluate the Nth argument available to PROBE. PROBE will have + come from a call to this objfile's sym_get_probes method. N will + be between 0 and the number of arguments available to this probe. + FRAME is the frame in which the evaluation is done; the frame's + PC will match the address of the probe. If you provide an + implementation of sym_get_probes, you must implement this method + as well. */ + struct value *(*sym_evaluate_probe_argument) (struct objfile *objfile, + struct probe *probe, + unsigned n); + + /* Compile the Nth probe argument to an agent expression. PROBE + will have come from a call to this objfile's sym_get_probes + method. N will be between 0 and the number of arguments + available to this probe. EXPR and VALUE are the agent expression + that is being updated. */ + void (*sym_compile_to_ax) (struct objfile *objfile, + struct probe *probe, + struct agent_expr *expr, + struct axs_value *value, + unsigned n); + + /* Relocate the probe section of OBJFILE. */ + void (*sym_relocate_probe) (struct objfile *objfile, + struct section_offsets *new_offsets, + struct section_offsets *delta); +}; + /* Structure to keep track of symbol reading functions for various object file types. */ @@ -367,6 +419,10 @@ struct sym_fns bfd_byte *(*sym_relocate) (struct objfile *, asection *sectp, bfd_byte *buf); + /* If non-NULL, this objfile has probe support, and all the probe + functions referred to here will be non-NULL. */ + const struct sym_probe_fns *sym_probe_fns; + /* The "quick" (aka partial) symbol functions for this symbol reader. */ const struct quick_symbol_functions *qf; |