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ltrace:Bug fix for data type length judgment

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...
if (byte_size == sizeof(long)) {

        *type = is_signed ? ARGTYPE_LONG : ARGTYPE_ULONG;

        return true;

}
...

If ltrace's target command has a dbg package, ltrace will look for the debug file and analyze its contents.
Ltrace determines the type of analysis result variable. The type of the variable is longlong.
On 32-bit systems, longlong is 8 and long is 4 (same as in).
An error occurred because the ltrace code did not process a variable of length 8.

Signed-off-by: Zang Ruochen <zangrc.fnst@cn.fujitsu.com>
Signed-off-by: Wang Mingyu <wangmy.fnst@cn.fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Zang Ruochen 2019-10-21 11:13:30 +08:00 committed by Khem Raj
parent 9294da37f8
commit 81f0a3c12f
2 changed files with 43 additions and 0 deletions
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42
meta-oe/recipes-devtools/ltrace/ltrace/0001-Bug-fix-for-data-type-length-judgment.patch Normal file
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@ -0,0 +1,42 @@
From 5226333bddb755dbefd780d31450e0238dd5d3bd Mon Sep 17 00:00:00 2001
From: Zang Ruochen <zangrc.fnst@cn.fujitsu.com>
Date: Wed, 16 Oct 2019 08:24:23 +0900
Subject: [PATCH] Bug fix for data type length judgment.
...
if (byte_size == sizeof(long)) {
*type = is_signed ? ARGTYPE_LONG : ARGTYPE_ULONG;
return true;
}
...
If ltrace's target command has a dbg package, ltrace will look for the debug file and analyze its contents.
Ltrace determines the type of analysis result variable. The type of the variable is longlong.
On 32-bit systems, longlong is 8 and long is 4 (same as in).
An error occurred because the ltrace code did not process a variable of length 8.
Upstream-Status: Pending
Signed-off-by: Wang Mingyu <wangmy.fnst@cn.fujitsu.com>
---
dwarf_prototypes.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/dwarf_prototypes.c b/dwarf_prototypes.c
index bfac177..9887d4b 100644
--- a/dwarf_prototypes.c
+++ b/dwarf_prototypes.c
@@ -190,7 +190,7 @@ static bool get_integer_base_type(enum arg_type *type, int byte_size,
return true;
}
- if (byte_size == sizeof(long)) {
+ if (byte_size == sizeof(long long)) {
*type = is_signed ? ARGTYPE_LONG : ARGTYPE_ULONG;
return true;
}
--
2.7.4

1
meta-oe/recipes-devtools/ltrace/ltrace_git.bb
View File

@ -28,6 +28,7 @@ SRC_URI = "git://github.com/sparkleholic/ltrace.git;branch=master;protocol=http
file://0001-move-fprintf-into-same-block-where-modname-and-symna.patch \
file://0001-hook-Do-not-append-int-to-std-string.patch \
file://include_unistd_nr.patch \
file://0001-Bug-fix-for-data-type-length-judgment.patch \
"
S = "${WORKDIR}/git"