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From: Tao Liu <ltao@redhat.com>
To: yamazaki-msmt@nec.com, k-hagio-ab@nec.com, kexec@lists.infradead.org
Cc: aravinda@linux.vnet.ibm.com, devel@lists.crash-utility.osci.io,
	Tao Liu <ltao@redhat.com>
Subject: [PATCH RFC][makedumpfile 05/10] Export necessary btf/kallsyms functions to eppic extension
Date: Tue, 10 Jun 2025 21:57:38 +1200	[thread overview]
Message-ID: <20250610095743.18073-6-ltao@redhat.com> (raw)
In-Reply-To: <20250610095743.18073-1-ltao@redhat.com>

Signed-off-by: Tao Liu <ltao@redhat.com>
---
 erase_info.c | 16 +++++++++++++++-
 erase_info.h | 14 ++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/erase_info.c b/erase_info.c
index d68e1a2..9ec1813 100644
--- a/erase_info.c
+++ b/erase_info.c
@@ -20,6 +20,8 @@
 #include "print_info.h"
 #include "dwarf_info.h"
 #include "erase_info.h"
+#include "kallsyms.h"
+#include "btf.h"
 
 #include <dlfcn.h>
 
@@ -36,7 +38,19 @@ struct call_back eppic_cb = {
 	&get_die_member_all,
 	&get_die_nfields_all,
 	&get_symbol_addr_all,
-	&update_filter_info_raw
+	&update_filter_info_raw,
+	&get_structure_size,
+	&get_member_offset,
+	/**********************/
+	&update_filter_pages_info,
+	&get_kallsyms_value_by_name,
+	&get_struct_member_by_name,
+	&get_type_member_by_index,
+	&get_type_size_by_name,
+	&get_en_by_uniq_id,
+	&resolve_typedef,
+	&get_btf_type_by_type_id,
+	&id_to_uniq_id,
 };
 
 
diff --git a/erase_info.h b/erase_info.h
index 4552dfc..6797ed1 100644
--- a/erase_info.h
+++ b/erase_info.h
@@ -19,6 +19,7 @@
 #ifndef _ERASE_INFO_H
 #define _ERASE_INFO_H
 
+#include "btf.h"
 #define MAX_SIZE_STR_LEN (26)
 
 /*
@@ -52,6 +53,19 @@ struct call_back {
 	int (*get_die_nfields_all)(unsigned long long die_off);
 	unsigned long long (*get_symbol_addr_all)(char *symname);
 	int (*update_filter_info_raw)(unsigned long long, int, int);
+	long (*get_structure_size)(char *, int);
+	long (*get_member_offset)(char *, char *, int);
+	/********************************/
+	int (*update_filter_pages_info)(unsigned long, unsigned long);
+	uint64_t (*get_kallsyms_value_by_name)(char *);
+	uint32_t (*get_struct_member_by_name)(char *, char *, struct member_info *);
+	bool (*get_type_member_by_index)(uint64_t, int, struct member_info *);
+	uint32_t (*get_type_size_by_name)(char *, int, uint32_t *);
+	struct name_entry *(*get_en_by_uniq_id)(uint32_t, struct btf_type *);
+	void (*resolve_typedef)(struct name_entry *, struct name_entry **, struct btf_type *);
+	int (*get_btf_type_by_type_id)(struct btf_file *, uint32_t,
+				   struct btf_type *, struct name_entry **);
+	uint32_t (*id_to_uniq_id)(uint32_t, struct btf_file *);
 };
 
 extern struct erase_info	*erase_info;
-- 
2.47.0



  parent reply	other threads:[~2025-06-10 10:56 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-10  9:57 [PATCH RFC][makedumpfile 00/10] btf/kallsyms based eppic extension for mm page filtering Tao Liu
2025-06-10  9:57 ` [PATCH RFC][makedumpfile 01/10] dwarf_info: Support kernel address randomization Tao Liu
2025-09-08 11:11   ` YAMAZAKI MASAMITSU(山崎 真光)
2025-09-09  5:24     ` Tao Liu
2025-09-29  6:30   ` HAGIO KAZUHITO(萩尾 一仁)
2025-09-30  0:34     ` Tao Liu
2025-09-30  1:28       ` HAGIO KAZUHITO(萩尾 一仁)
2025-09-30  1:44         ` Tao Liu
2025-06-10  9:57 ` [PATCH RFC][makedumpfile 02/10] dwarf_info: Fix a infinite recursion bug for search_domain Tao Liu
2025-10-03  7:22   ` YAMAZAKI MASAMITSU(山崎 真光)
2025-10-05 23:25     ` Tao Liu
2025-10-17  4:21   ` HAGIO KAZUHITO(萩尾 一仁)
2025-10-20  3:52     ` Tao Liu
2025-06-10  9:57 ` [PATCH RFC][makedumpfile 03/10] Add page filtering function Tao Liu
2025-06-10  9:57 ` [PATCH RFC][makedumpfile 04/10] Add btf/kallsyms support for symbol type/address resolving Tao Liu
2025-06-10  9:57 ` Tao Liu [this message]
2025-06-10  9:57 ` [PATCH RFC][makedumpfile 06/10] Port the maple tree data structures and functions Tao Liu
2025-06-10  9:57 ` [PATCH RFC][makedumpfile 07/10] Supporting main() as the entry of eppic script Tao Liu
2025-06-10  9:57 ` [PATCH RFC][makedumpfile 08/10] Enable page filtering for dwarf eppic Tao Liu
2025-06-10  9:57 ` [PATCH RFC][makedumpfile 09/10] Enable page filtering for btf/kallsyms eppic Tao Liu
2025-06-10  9:57 ` [PATCH RFC][makedumpfile 10/10] Introducing 2 eppic scripts to test the dwarf/btf eppic extension Tao Liu
2025-08-05  3:16 ` [PATCH RFC][makedumpfile 00/10] btf/kallsyms based eppic extension for mm page filtering Tao Liu
2025-08-07 11:42   ` YAMAZAKI MASAMITSU(山崎 真光)
2025-08-11  0:04     ` Tao Liu
2025-09-05 12:41       ` YAMAZAKI MASAMITSU(山崎 真光)
2025-09-09  1:56         ` Tao Liu

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