* [PATCH] BaseTools/GenFw: Fix casting result of comparison
@ 2021-03-26 0:48 Tim Crawford
2021-03-29 5:11 ` 回复: [edk2-devel] " gaoliming
0 siblings, 1 reply; 3+ messages in thread
From: Tim Crawford @ 2021-03-26 0:48 UTC (permalink / raw)
To: devel
The cast in IsDataShdr() is only applied the left side, causing it to
always return FALSE.
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3271
Signed-off-by: Tim Crawford <tcrawford@system76.com>
---
BaseTools/Source/C/GenFw/Elf32Convert.c | 2 +-
BaseTools/Source/C/GenFw/Elf64Convert.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/BaseTools/Source/C/GenFw/Elf32Convert.c b/BaseTools/Source/C/GenFw/Elf32Convert.c
index 7f351287a9..df54991768 100644
--- a/BaseTools/Source/C/GenFw/Elf32Convert.c
+++ b/BaseTools/Source/C/GenFw/Elf32Convert.c
@@ -262,7 +262,7 @@ IsDataShdr (
if (IsHiiRsrcShdr(Shdr)) {
return FALSE;
}
- return (BOOLEAN) (Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == (SHF_ALLOC | SHF_WRITE);
+ return (BOOLEAN) ((Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == (SHF_ALLOC | SHF_WRITE));
}
STATIC
diff --git a/BaseTools/Source/C/GenFw/Elf64Convert.c b/BaseTools/Source/C/GenFw/Elf64Convert.c
index 4ed6b4477e..1bf1e9accb 100644
--- a/BaseTools/Source/C/GenFw/Elf64Convert.c
+++ b/BaseTools/Source/C/GenFw/Elf64Convert.c
@@ -270,7 +270,7 @@ IsDataShdr (
if (IsHiiRsrcShdr(Shdr)) {
return FALSE;
}
- return (BOOLEAN) (Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == (SHF_ALLOC | SHF_WRITE);
+ return (BOOLEAN) ((Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == (SHF_ALLOC | SHF_WRITE));
}
STATIC
--
2.30.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* 回复: [edk2-devel] [PATCH] BaseTools/GenFw: Fix casting result of comparison
2021-03-26 0:48 [PATCH] BaseTools/GenFw: Fix casting result of comparison Tim Crawford
@ 2021-03-29 5:11 ` gaoliming
2021-03-29 13:12 ` Tim Crawford
0 siblings, 1 reply; 3+ messages in thread
From: gaoliming @ 2021-03-29 5:11 UTC (permalink / raw)
To: devel, crawfxrd
Tim:
This change is good. Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Besides, which compiler detects this issue?
Thanks
Liming
> -----邮件原件-----
> 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Tim Crawford
> 发送时间: 2021年3月26日 8:48
> 收件人: devel@edk2.groups.io
> 主题: [edk2-devel] [PATCH] BaseTools/GenFw: Fix casting result of
> comparison
>
> The cast in IsDataShdr() is only applied the left side, causing it to
> always return FALSE.
>
> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3271
> Signed-off-by: Tim Crawford <tcrawford@system76.com>
> ---
> BaseTools/Source/C/GenFw/Elf32Convert.c | 2 +-
> BaseTools/Source/C/GenFw/Elf64Convert.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/BaseTools/Source/C/GenFw/Elf32Convert.c
> b/BaseTools/Source/C/GenFw/Elf32Convert.c
> index 7f351287a9..df54991768 100644
> --- a/BaseTools/Source/C/GenFw/Elf32Convert.c
> +++ b/BaseTools/Source/C/GenFw/Elf32Convert.c
> @@ -262,7 +262,7 @@ IsDataShdr (
> if (IsHiiRsrcShdr(Shdr)) {
>
> return FALSE;
>
> }
>
> - return (BOOLEAN) (Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) ==
> (SHF_ALLOC | SHF_WRITE);
>
> + return (BOOLEAN) ((Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) ==
> (SHF_ALLOC | SHF_WRITE));
>
> }
>
>
>
> STATIC
>
> diff --git a/BaseTools/Source/C/GenFw/Elf64Convert.c
> b/BaseTools/Source/C/GenFw/Elf64Convert.c
> index 4ed6b4477e..1bf1e9accb 100644
> --- a/BaseTools/Source/C/GenFw/Elf64Convert.c
> +++ b/BaseTools/Source/C/GenFw/Elf64Convert.c
> @@ -270,7 +270,7 @@ IsDataShdr (
> if (IsHiiRsrcShdr(Shdr)) {
>
> return FALSE;
>
> }
>
> - return (BOOLEAN) (Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) ==
> (SHF_ALLOC | SHF_WRITE);
>
> + return (BOOLEAN) ((Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) ==
> (SHF_ALLOC | SHF_WRITE));
>
> }
>
>
>
> STATIC
>
> --
> 2.30.2
>
>
>
> -=-=-=-=-=-=
> Groups.io Links: You receive all messages sent to this group.
> View/Reply Online (#73394): https://edk2.groups.io/g/devel/message/73394
> Mute This Topic: https://groups.io/mt/81630142/4905953
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> [gaoliming@byosoft.com.cn]
> -=-=-=-=-=-=
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [edk2-devel] [PATCH] BaseTools/GenFw: Fix casting result of comparison
2021-03-29 5:11 ` 回复: [edk2-devel] " gaoliming
@ 2021-03-29 13:12 ` Tim Crawford
0 siblings, 0 replies; 3+ messages in thread
From: Tim Crawford @ 2021-03-29 13:12 UTC (permalink / raw)
To: devel, gaoliming
This was detected while attempting to use C99's stdbool for the
BOOLEAN type, which causes a compilation error. But I am using GCC10.
On Sun, Mar 28, 2021 at 11:11 PM gaoliming <gaoliming@byosoft.com.cn> wrote:
>
> Tim:
> This change is good. Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
>
> Besides, which compiler detects this issue?
>
> Thanks
> Liming
> > -----邮件原件-----
> > 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Tim Crawford
> > 发送时间: 2021年3月26日 8:48
> > 收件人: devel@edk2.groups.io
> > 主题: [edk2-devel] [PATCH] BaseTools/GenFw: Fix casting result of
> > comparison
> >
> > The cast in IsDataShdr() is only applied the left side, causing it to
> > always return FALSE.
> >
> > Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3271
> > Signed-off-by: Tim Crawford <tcrawford@system76.com>
> > ---
> > BaseTools/Source/C/GenFw/Elf32Convert.c | 2 +-
> > BaseTools/Source/C/GenFw/Elf64Convert.c | 2 +-
> > 2 files changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/BaseTools/Source/C/GenFw/Elf32Convert.c
> > b/BaseTools/Source/C/GenFw/Elf32Convert.c
> > index 7f351287a9..df54991768 100644
> > --- a/BaseTools/Source/C/GenFw/Elf32Convert.c
> > +++ b/BaseTools/Source/C/GenFw/Elf32Convert.c
> > @@ -262,7 +262,7 @@ IsDataShdr (
> > if (IsHiiRsrcShdr(Shdr)) {
> >
> > return FALSE;
> >
> > }
> >
> > - return (BOOLEAN) (Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) ==
> > (SHF_ALLOC | SHF_WRITE);
> >
> > + return (BOOLEAN) ((Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) ==
> > (SHF_ALLOC | SHF_WRITE));
> >
> > }
> >
> >
> >
> > STATIC
> >
> > diff --git a/BaseTools/Source/C/GenFw/Elf64Convert.c
> > b/BaseTools/Source/C/GenFw/Elf64Convert.c
> > index 4ed6b4477e..1bf1e9accb 100644
> > --- a/BaseTools/Source/C/GenFw/Elf64Convert.c
> > +++ b/BaseTools/Source/C/GenFw/Elf64Convert.c
> > @@ -270,7 +270,7 @@ IsDataShdr (
> > if (IsHiiRsrcShdr(Shdr)) {
> >
> > return FALSE;
> >
> > }
> >
> > - return (BOOLEAN) (Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) ==
> > (SHF_ALLOC | SHF_WRITE);
> >
> > + return (BOOLEAN) ((Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) ==
> > (SHF_ALLOC | SHF_WRITE));
> >
> > }
> >
> >
> >
> > STATIC
> >
> > --
> > 2.30.2
> >
> >
> >
> > -=-=-=-=-=-=
> > Groups.io Links: You receive all messages sent to this group.
> > View/Reply Online (#73394): https://edk2.groups.io/g/devel/message/73394
> > Mute This Topic: https://groups.io/mt/81630142/4905953
> > Group Owner: devel+owner@edk2.groups.io
> > Unsubscribe: https://edk2.groups.io/g/devel/unsub
> > [gaoliming@byosoft.com.cn]
> > -=-=-=-=-=-=
> >
>
>
>
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2021-03-26 0:48 [PATCH] BaseTools/GenFw: Fix casting result of comparison Tim Crawford
2021-03-29 5:11 ` 回复: [edk2-devel] " gaoliming
2021-03-29 13:12 ` Tim Crawford
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