From: Stephen Brennan <stephen.s.brennan@oracle.com>
To: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: dwarves@vger.kernel.org, bpf@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@kernel.org>,
alan.maguire@oracle.com, Andrii Nakryiko <andrii@kernel.org>
Subject: [PATCH v2 dwarves 5/9] btf_encoder: record ELF section for collected variables
Date: Fri, 4 Nov 2022 16:10:59 -0700 [thread overview]
Message-ID: <20221104231103.752040-6-stephen.s.brennan@oracle.com> (raw)
In-Reply-To: <20221104231103.752040-1-stephen.s.brennan@oracle.com>
Signed-off-by: Stephen Brennan <stephen.s.brennan@oracle.com>
---
btf_encoder.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/btf_encoder.c b/btf_encoder.c
index 5cd247d..d1f2f38 100644
--- a/btf_encoder.c
+++ b/btf_encoder.c
@@ -43,6 +43,7 @@ struct var_info {
uint64_t addr;
const char *name;
uint32_t sz;
+ uint32_t shndx;
};
struct elf_secinfo {
@@ -1194,7 +1195,7 @@ static bool btf_encoder__percpu_var_exists(struct btf_encoder *encoder, uint64_t
return true;
}
-static int btf_encoder__collect_percpu_var(struct btf_encoder *encoder, GElf_Sym *sym, size_t sym_sec_idx)
+static int btf_encoder__collect_percpu_var(struct btf_encoder *encoder, GElf_Sym *sym, uint32_t sym_sec_idx)
{
const char *sym_name;
uint64_t addr;
@@ -1244,6 +1245,7 @@ static int btf_encoder__collect_percpu_var(struct btf_encoder *encoder, GElf_Sym
encoder->variables.vars[encoder->variables.var_cnt].addr = addr;
encoder->variables.vars[encoder->variables.var_cnt].sz = size;
encoder->variables.vars[encoder->variables.var_cnt].name = sym_name;
+ encoder->variables.vars[encoder->variables.var_cnt].shndx = sym_sec_idx;
encoder->variables.var_cnt++;
return 0;
@@ -1251,7 +1253,7 @@ static int btf_encoder__collect_percpu_var(struct btf_encoder *encoder, GElf_Sym
static int btf_encoder__collect_symbols(struct btf_encoder *encoder, bool collect_percpu_vars)
{
- Elf32_Word sym_sec_idx;
+ uint32_t sym_sec_idx;
uint32_t core_id;
GElf_Sym sym;
--
2.31.1
next prev parent reply other threads:[~2022-11-04 23:11 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-04 23:10 [PATCH v2 dwarves, kernel, libbpf 0/9] Add support for generating BTF for all variables Stephen Brennan
2022-11-04 23:10 ` [PATCH v2 dwarves 1/9] dutil: return ELF section name when looked up by index Stephen Brennan
2022-11-04 23:10 ` [PATCH v2 dwarves 2/9] btf_encoder: Rename percpu structures to variables Stephen Brennan
2022-11-04 23:10 ` [PATCH v2 dwarves 3/9] btf_encoder: cache all ELF section info Stephen Brennan
2022-11-04 23:10 ` [PATCH v2 dwarves 4/9] btf_encoder: make the variable array dynamic Stephen Brennan
2022-11-04 23:10 ` Stephen Brennan [this message]
2022-11-04 23:11 ` [PATCH v2 dwarves 6/9] btf_encoder: collect all variables Stephen Brennan
2022-11-04 23:11 ` [PATCH v2 dwarves 7/9] btf_encoder: allow encoding " Stephen Brennan
2022-11-04 23:11 ` [PATCH v2 bpf 8/9] libbpf: btf dedup identical struct test needs check for nested structs/arrays Stephen Brennan
2022-11-04 23:11 ` [PATCH v2 kernel 9/9] bpf: add support for CONFIG_DEBUG_INFO_BTF_VARS Stephen Brennan
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