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a784847c2d
Pass a flags value as architectures like csky need the flags to determine the ABI variant. Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Ian Rogers <irogers@google.com> Cc: Anup Patel <anup@brainfault.org> Cc: Yang Jihong <yangjihong@bytedance.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: David S. Miller <davem@davemloft.net> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: Shenlin Liang <liangshenlin@eswincomputing.com> Cc: Nick Terrell <terrelln@fb.com> Cc: Guilherme Amadio <amadio@gentoo.org> Cc: Steinar H. Gunderson <sesse@google.com> Cc: Changbin Du <changbin.du@huawei.com> Cc: Alexander Lobakin <aleksander.lobakin@intel.com> Cc: Przemek Kitszel <przemyslaw.kitszel@intel.com> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Guo Ren <guoren@kernel.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Will Deacon <will@kernel.org> Cc: James Clark <james.clark@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Chen Pei <cp0613@linux.alibaba.com> Cc: Leo Yan <leo.yan@linux.dev> Cc: Oliver Upton <oliver.upton@linux.dev> Cc: Aditya Gupta <adityag@linux.ibm.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-riscv@lists.infradead.org Cc: Bibo Mao <maobibo@loongson.cn> Cc: John Garry <john.g.garry@oracle.com> Cc: Atish Patra <atishp@rivosinc.com> Cc: Dima Kogan <dima@secretsauce.net> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Dr. David Alan Gilbert <linux@treblig.org> Cc: linux-csky@vger.kernel.org Link: https://lore.kernel.org/r/20241108234606.429459-7-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _PROBE_FINDER_H
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#define _PROBE_FINDER_H
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#include <stdbool.h>
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#include "intlist.h"
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#include "build-id.h"
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#include "probe-event.h"
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#include <linux/ctype.h>
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#define MAX_PROBE_BUFFER 1024
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#define MAX_PROBES 128
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#define MAX_PROBE_ARGS 128
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#define PROBE_ARG_VARS "$vars"
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#define PROBE_ARG_PARAMS "$params"
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static inline int is_c_varname(const char *name)
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{
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/* TODO */
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return isalpha(name[0]) || name[0] == '_';
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}
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#ifdef HAVE_LIBDW_SUPPORT
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#include "dwarf-aux.h"
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#include "debuginfo.h"
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/* Find probe_trace_events specified by perf_probe_event from debuginfo */
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int debuginfo__find_trace_events(struct debuginfo *dbg,
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struct perf_probe_event *pev,
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struct probe_trace_event **tevs);
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/* Find a perf_probe_point from debuginfo */
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int debuginfo__find_probe_point(struct debuginfo *dbg, u64 addr,
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struct perf_probe_point *ppt);
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/* Find a line range */
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int debuginfo__find_line_range(struct debuginfo *dbg, struct line_range *lr);
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/* Find available variables */
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int debuginfo__find_available_vars_at(struct debuginfo *dbg,
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struct perf_probe_event *pev,
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struct variable_list **vls);
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/* Find a src file from a DWARF tag path */
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int find_source_path(const char *raw_path, const char *sbuild_id,
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const char *comp_dir, char **new_path);
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struct probe_finder {
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struct perf_probe_event *pev; /* Target probe event */
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struct debuginfo *dbg;
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/* Callback when a probe point is found */
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int (*callback)(Dwarf_Die *sc_die, struct probe_finder *pf);
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/* For function searching */
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int lno; /* Line number */
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Dwarf_Addr addr; /* Address */
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const char *fname; /* Real file name */
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Dwarf_Die cu_die; /* Current CU */
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Dwarf_Die sp_die;
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struct intlist *lcache; /* Line cache for lazy match */
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/* For variable searching */
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/* Call Frame Information from .eh_frame. Owned by this struct. */
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Dwarf_CFI *cfi_eh;
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/* Call Frame Information from .debug_frame. Not owned. */
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Dwarf_CFI *cfi_dbg;
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Dwarf_Op *fb_ops; /* Frame base attribute */
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unsigned int e_machine; /* ELF target machine arch */
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unsigned int e_flags; /* ELF target machine flags */
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struct perf_probe_arg *pvar; /* Current target variable */
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struct probe_trace_arg *tvar; /* Current result variable */
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bool skip_empty_arg; /* Skip non-exist args */
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};
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struct trace_event_finder {
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struct probe_finder pf;
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Dwfl_Module *mod; /* For solving symbols */
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struct probe_trace_event *tevs; /* Found trace events */
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int ntevs; /* Number of trace events */
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int max_tevs; /* Max number of trace events */
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};
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struct available_var_finder {
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struct probe_finder pf;
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Dwfl_Module *mod; /* For solving symbols */
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struct variable_list *vls; /* Found variable lists */
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int nvls; /* Number of variable lists */
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int max_vls; /* Max no. of variable lists */
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bool child; /* Search child scopes */
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};
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struct line_finder {
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struct line_range *lr; /* Target line range */
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const char *fname; /* File name */
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int lno_s; /* Start line number */
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int lno_e; /* End line number */
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Dwarf_Die cu_die; /* Current CU */
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Dwarf_Die sp_die;
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int found;
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};
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#endif /* HAVE_LIBDW_SUPPORT */
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#endif /*_PROBE_FINDER_H */
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