diff options
Diffstat (limited to 'tools/perf/util/probe-finder.c')
| -rw-r--r-- | tools/perf/util/probe-finder.c | 55 |
1 files changed, 20 insertions, 35 deletions
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index ec6f53f29e0..338fdb9e093 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -31,6 +31,8 @@ #include <string.h> #include <stdarg.h> #include <ctype.h> + +#include "util.h" #include "probe-finder.h" @@ -43,20 +45,6 @@ struct die_link { static Dwarf_Debug __dw_debug; static Dwarf_Error __dw_error; -static void msg_exit(int ret, const char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - fprintf(stderr, "Error: "); - vfprintf(stderr, fmt, ap); - va_end(ap); - - fprintf(stderr, "\n"); - exit(ret); -} - - /* * Generic dwarf analysis helpers */ @@ -151,11 +139,11 @@ static Dwarf_Unsigned die_get_fileno(Dwarf_Die cu_die, const char *fname) } /* Compare diename and tname */ -static int die_compare_name(Dwarf_Die die, const char *tname) +static int die_compare_name(Dwarf_Die dw_die, const char *tname) { char *name; int ret; - ret = dwarf_diename(die, &name, &__dw_error); + ret = dwarf_diename(dw_die, &name, &__dw_error); ERR_IF(ret == DW_DLV_ERROR); if (ret == DW_DLV_OK) { ret = strcmp(tname, name); @@ -187,25 +175,25 @@ static int die_within_subprogram(Dwarf_Die sp_die, Dwarf_Addr addr, } /* Check the die is inlined function */ -static Dwarf_Bool die_inlined_subprogram(Dwarf_Die die) +static Dwarf_Bool die_inlined_subprogram(Dwarf_Die dw_die) { /* TODO: check strictly */ Dwarf_Bool inl; int ret; - ret = dwarf_hasattr(die, DW_AT_inline, &inl, &__dw_error); + ret = dwarf_hasattr(dw_die, DW_AT_inline, &inl, &__dw_error); ERR_IF(ret == DW_DLV_ERROR); return inl; } /* Get the offset of abstruct_origin */ -static Dwarf_Off die_get_abstract_origin(Dwarf_Die die) +static Dwarf_Off die_get_abstract_origin(Dwarf_Die dw_die) { Dwarf_Attribute attr; Dwarf_Off cu_offs; int ret; - ret = dwarf_attr(die, DW_AT_abstract_origin, &attr, &__dw_error); + ret = dwarf_attr(dw_die, DW_AT_abstract_origin, &attr, &__dw_error); ERR_IF(ret != DW_DLV_OK); ret = dwarf_formref(attr, &cu_offs, &__dw_error); ERR_IF(ret != DW_DLV_OK); @@ -214,7 +202,7 @@ static Dwarf_Off die_get_abstract_origin(Dwarf_Die die) } /* Get entry pc(or low pc, 1st entry of ranges) of the die */ -static Dwarf_Addr die_get_entrypc(Dwarf_Die die) +static Dwarf_Addr die_get_entrypc(Dwarf_Die dw_die) { Dwarf_Attribute attr; Dwarf_Addr addr; @@ -224,7 +212,7 @@ static Dwarf_Addr die_get_entrypc(Dwarf_Die die) int ret; /* Try to get entry pc */ - ret = dwarf_attr(die, DW_AT_entry_pc, &attr, &__dw_error); + ret = dwarf_attr(dw_die, DW_AT_entry_pc, &attr, &__dw_error); ERR_IF(ret == DW_DLV_ERROR); if (ret == DW_DLV_OK) { ret = dwarf_formaddr(attr, &addr, &__dw_error); @@ -234,13 +222,13 @@ static Dwarf_Addr die_get_entrypc(Dwarf_Die die) } /* Try to get low pc */ - ret = dwarf_lowpc(die, &addr, &__dw_error); + ret = dwarf_lowpc(dw_die, &addr, &__dw_error); ERR_IF(ret == DW_DLV_ERROR); if (ret == DW_DLV_OK) return addr; /* Try to get ranges */ - ret = dwarf_attr(die, DW_AT_ranges, &attr, &__dw_error); + ret = dwarf_attr(dw_die, DW_AT_ranges, &attr, &__dw_error); ERR_IF(ret != DW_DLV_OK); ret = dwarf_formref(attr, &offs, &__dw_error); ERR_IF(ret != DW_DLV_OK); @@ -382,11 +370,11 @@ static void show_location(Dwarf_Loc *loc, struct probe_finder *pf) } else if (op == DW_OP_regx) { regn = loc->lr_number; } else - msg_exit(-EINVAL, "Dwarf_OP %d is not supported.\n", op); + die("Dwarf_OP %d is not supported.\n", op); regs = get_arch_regstr(regn); if (!regs) - msg_exit(-EINVAL, "%lld exceeds max register number.\n", regn); + die("%lld exceeds max register number.\n", regn); if (deref) ret = snprintf(pf->buf, pf->len, @@ -417,8 +405,8 @@ static void show_variable(Dwarf_Die vr_die, struct probe_finder *pf) dwarf_dealloc(__dw_debug, attr, DW_DLA_ATTR); return ; error: - msg_exit(-1, "Failed to find the location of %s at this address.\n" - " Perhaps, it was optimized out.\n", pf->var); + die("Failed to find the location of %s at this address.\n" + " Perhaps, it has been optimized out.\n", pf->var); } static int variable_callback(struct die_link *dlink, void *data) @@ -456,8 +444,7 @@ static void find_variable(Dwarf_Die sp_die, struct probe_finder *pf) /* Search child die for local variables and parameters. */ ret = search_die_from_children(sp_die, variable_callback, pf); if (!ret) - msg_exit(-1, "Failed to find '%s' in this function.\n", - pf->var); + die("Failed to find '%s' in this function.\n", pf->var); } /* Get a frame base on the address */ @@ -568,8 +555,7 @@ static void find_by_line(Dwarf_Die cu_die, struct probe_finder *pf) /* Search a real subprogram including this line, */ ret = search_die_from_children(cu_die, probeaddr_callback, pf); if (ret == 0) - msg_exit(-1, - "Probe point is not found in subprograms.\n"); + die("Probe point is not found in subprograms.\n"); /* Continuing, because target line might be inlined. */ } dwarf_srclines_dealloc(__dw_debug, lines, cnt); @@ -621,7 +607,7 @@ static int probefunc_callback(struct die_link *dlink, void *data) !die_inlined_subprogram(lk->die)) goto found; } - msg_exit(-1, "Failed to find real subprogram.\n"); + die("Failed to find real subprogram.\n"); found: /* Get offset from subprogram */ ret = die_within_subprogram(lk->die, pf->addr, &offs); @@ -649,8 +635,7 @@ int find_probepoint(int fd, struct probe_point *pp) ret = dwarf_init(fd, DW_DLC_READ, 0, 0, &__dw_debug, &__dw_error); if (ret != DW_DLV_OK) - msg_exit(-1, "Failed to call dwarf_init(). " - "Maybe, not a dwarf file?\n"); + die("Failed to call dwarf_init(). Maybe, not a dwarf file.\n"); pp->found = 0; while (++cu_number) { |