* [PATCH] elflint: Allow SHF_EXCLUDE as generic section flag when --gnu is given.
@ 2020-04-16 16:53 Mark Wielaard
2020-04-21 21:01 ` Mark Wielaard
0 siblings, 1 reply; 2+ messages in thread
From: Mark Wielaard @ 2020-04-16 16:53 UTC (permalink / raw)
To: elfutils-devel; +Cc: Mark Wielaard
Strictly speaking SHF_EXCLUDE is a processor specific section flag,
but it is used generically in the GNU toolchain. For example when
adding .gnu.lto_ sections.
Signed-off-by: Mark Wielaard <mark@klomp.org>
---
src/ChangeLog | 5 +++++
src/elflint.c | 5 +++++
2 files changed, 10 insertions(+)
diff --git a/src/ChangeLog b/src/ChangeLog
index e11fe79a..dc345a04 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2020-04-16 Mark Wielaard <mark@klomp.org>
+
+ * elflint.c (check_sections): Mask out SHF_EXCLUDE from processor
+ specific section flags when --gnu is given.
+
2020-02-08 Mark Wielaard <mark@klomp.org>
* elflint.c (check_program_header): Handle PT_GNU_PROPERTY.
diff --git a/src/elflint.c b/src/elflint.c
index 480d84ba..0ef43236 100644
--- a/src/elflint.c
+++ b/src/elflint.c
@@ -3921,6 +3921,11 @@ section [%2zu] '%s': size not multiple of entry size\n"),
GElf_Xword sh_flags = shdr->sh_flags & ~(GElf_Xword) ALL_SH_FLAGS;
if (sh_flags & SHF_MASKPROC)
{
+ /* Strictly speaking SHF_EXCLUDE is a processor specific
+ section flag, but it is used generically in the GNU
+ toolchain. */
+ if (gnuld)
+ sh_flags &= ~(GElf_Xword) SHF_EXCLUDE;
if (!ebl_machine_section_flag_check (ebl,
sh_flags & SHF_MASKPROC))
ERROR (gettext ("section [%2zu] '%s'"
--
2.18.2
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] elflint: Allow SHF_EXCLUDE as generic section flag when --gnu is given.
2020-04-16 16:53 [PATCH] elflint: Allow SHF_EXCLUDE as generic section flag when --gnu is given Mark Wielaard
@ 2020-04-21 21:01 ` Mark Wielaard
0 siblings, 0 replies; 2+ messages in thread
From: Mark Wielaard @ 2020-04-21 21:01 UTC (permalink / raw)
To: elfutils-devel
On Thu, Apr 16, 2020 at 06:53:41PM +0200, Mark Wielaard wrote:
> Strictly speaking SHF_EXCLUDE is a processor specific section flag,
> but it is used generically in the GNU toolchain. For example when
> adding .gnu.lto_ sections.
I pushed this to master.
^ permalink raw reply [flat|nested] 2+ messages in thread
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