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soc: qcom: debug_symbol: Update driver to align with kernel code

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Update symbol lookup related function to align with kernel code.

Change-Id: Idc2a456c410ae18cac6d702e1d9f39c8ae5dba65
Signed-off-by: Huang Yiwei <quic_hyiwei@quicinc.com>
This commit is contained in:
Huang Yiwei 2023-03-01 09:58:55 +08:00
parent 405ecf7177
commit a572d666c4
1 changed files with 10 additions and 14 deletions
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24
drivers/soc/qcom/debug_symbol.c
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@ -12,7 +12,7 @@
* Changed the compression method from stem compression to "table lookup"
* compression (see scripts/kallsyms.c for a more complete description)
*
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
* This driver is based on Google Debug Kinfo Driver
*/
@ -92,8 +92,15 @@ static unsigned int debug_symbol_expand_symbol(unsigned int off,
data = &debug_symbol.names[off];
len = *data;
data++;
off++;
off += len + 1;
if ((len & 0x80) != 0) {
len = (len & 0x7F) | (*data << 7);
data++;
off++;
}
off += len;
while (len) {
tptr = &debug_symbol.token_table[debug_symbol.token_index[*data]];
@ -143,18 +150,7 @@ static bool cleanup_symbol_name(char *s)
if (!IS_ENABLED(CONFIG_LTO_CLANG))
return false;
res = strnchr(s, KSYM_NAME_LEN, '.');
if (res) {
*res = '\0';
return true;
}
if (!IS_ENABLED(CONFIG_CFI_CLANG) ||
!IS_ENABLED(CONFIG_LTO_CLANG_THIN) ||
CONFIG_CLANG_VERSION >= 130000)
return false;
res = strrchr(s, '$');
res = strchr(s, '.');
if (res) {
*res = '\0';
return true;