#ifndef _PROBE_FINDER_H #define _PROBE_FINDER_H #include #include "util.h" #include "intlist.h" #include "probe-event.h" #define MAX_PROBE_BUFFER 1024 #define MAX_PROBES 128 #define MAX_PROBE_ARGS 128 #define PROBE_ARG_VARS "$vars" #define PROBE_ARG_PARAMS "$params" static inline int is_c_varname(const char *name) { /* TODO */ return isalpha(name[0]) || name[0] == '_'; } #ifdef HAVE_DWARF_SUPPORT #include "dwarf-aux.h" /* TODO: export debuginfo data structure even if no dwarf support */ /* debug information structure */ struct debuginfo { Dwarf *dbg; Dwfl_Module *mod; Dwfl *dwfl; Dwarf_Addr bias; }; /* This also tries to open distro debuginfo */ struct debuginfo *debuginfo__new(const char *path); void debuginfo__delete(struct debuginfo *dbg); /* Find probe_trace_events specified by perf_probe_event from debuginfo */ int debuginfo__find_trace_events(struct debuginfo *dbg, struct perf_probe_event *pev, struct probe_trace_event **tevs); /* Find a perf_probe_point from debuginfo */ int debuginfo__find_probe_point(struct debuginfo *dbg, unsigned long addr, struct perf_probe_point *ppt); int debuginfo__get_text_offset(struct debuginfo *dbg, Dwarf_Addr *offs, bool adjust_offset); /* Find a line range */ int debuginfo__find_line_range(struct debuginfo *dbg, struct line_range *lr); /* Find available variables */ int debuginfo__find_available_vars_at(struct debuginfo *dbg, struct perf_probe_event *pev, struct variable_list **vls); /* Find a src file from a DWARF tag path */ int get_real_path(const char *raw_path, const char *comp_dir, char **new_path); struct probe_finder { struct perf_probe_event *pev; /* Target probe event */ /* Callback when a probe point is found */ int (*callback)(Dwarf_Die *sc_die, struct probe_finder *pf); /* For function searching */ int lno; /* Line number */ Dwarf_Addr addr; /* Address */ const char *fname; /* Real file name */ Dwarf_Die cu_die; /* Current CU */ Dwarf_Die sp_die; struct intlist *lcache; /* Line cache for lazy match */ /* For variable searching */ #if _ELFUTILS_PREREQ(0, 142) /* Call Frame Information from .eh_frame */ Dwarf_CFI *cfi_eh; /* Call Frame Information from .debug_frame */ Dwarf_CFI *cfi_dbg; #endif Dwarf_Op *fb_ops; /* Frame base attribute */ unsigned int machine; /* Target machine arch */ struct perf_probe_arg *pvar; /* Current target variable */ struct probe_trace_arg *tvar; /* Current result variable */ }; struct trace_event_finder { struct probe_finder pf; Dwfl_Module *mod; /* For solving symbols */ struct probe_trace_event *tevs; /* Found trace events */ int ntevs; /* Number of trace events */ int max_tevs; /* Max number of trace events */ }; struct available_var_finder { struct probe_finder pf; Dwfl_Module *mod; /* For solving symbols */ struct variable_list *vls; /* Found variable lists */ int nvls; /* Number of variable lists */ int max_vls; /* Max no. of variable lists */ bool child; /* Search child scopes */ }; struct line_finder { struct line_range *lr; /* Target line range */ const char *fname; /* File name */ int lno_s; /* Start line number */ int lno_e; /* End line number */ Dwarf_Die cu_die; /* Current CU */ Dwarf_Die sp_die; int found; }; #endif /* HAVE_DWARF_SUPPORT */ #endif /*_PROBE_FINDER_H */ > n value='1'>1space:mode:
authorManuel Lauss <manuel.lauss@gmail.com>2017-01-24 10:12:00 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-01-24 10:27:34 -0800
commit3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c (patch)
treeb9387d85890c4466d9cf3d3145c95e0b07235234 /net/sunrpc/Makefile
parent62ed8ceda1699acae01b666497f004bfd3d67a6f (diff)
Input: wm97xx - make missing platform data non-fatal
Commit 6480af4915d6 ("power_supply: wm97xx_battery: use power_supply_get_drvdata") made wm97xx platform data mandatory, although it's still optional. This patch fixes an oops during driver probe on one of my MIPS boards with a wm9712. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'net/sunrpc/Makefile')