[3/3,RFC,MIPS] Define GNU_STACK ABI

Message ID 1561672142-5907-4-git-send-email-dmladjenovic@wavecomp.com
State Superseded
Headers show
Series
  • Mips support for PT_GNU_STACK
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Commit Message

Dragan Mladjenovic June 27, 2019, 9:50 p.m.
* sysdeps/unix/sysv/linux/mips/ldsodefs.h (VALID_ELF_ABIVERSION):
	Bump max ABI version for ELFOSABI_SYSV to 6.
	* sysdeps/unix/sysv/linux/mips/libc-abis (GNU_STACK): New ABI.
---
 sysdeps/unix/sysv/linux/mips/ldsodefs.h | 2 +-
 sysdeps/unix/sysv/linux/mips/libc-abis  | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

-- 
1.9.1

Patch

diff --git a/sysdeps/unix/sysv/linux/mips/ldsodefs.h b/sysdeps/unix/sysv/linux/mips/ldsodefs.h
index 8dde855..ce7b2f9 100644
--- a/sysdeps/unix/sysv/linux/mips/ldsodefs.h
+++ b/sysdeps/unix/sysv/linux/mips/ldsodefs.h
@@ -34,7 +34,7 @@  extern void _dl_static_init (struct link_map *map);
 #undef VALID_ELF_ABIVERSION
 #define VALID_ELF_ABIVERSION(osabi,ver)			\
   (ver == 0						\
-   || (osabi == ELFOSABI_SYSV && ver < 4)		\
+   || (osabi == ELFOSABI_SYSV && ver < 6)		\
    || (osabi == ELFOSABI_GNU && ver < LIBC_ABI_MAX))
 
 #endif /* ldsodefs.h */
diff --git a/sysdeps/unix/sysv/linux/mips/libc-abis b/sysdeps/unix/sysv/linux/mips/libc-abis
index eaea558..cdf413b 100644
--- a/sysdeps/unix/sysv/linux/mips/libc-abis
+++ b/sysdeps/unix/sysv/linux/mips/libc-abis
@@ -16,3 +16,5 @@  UNIQUE
 MIPS_O32_FP64   mips*-*-linux*
 # Absolute (SHN_ABS) symbols working correctly.
 ABSOLUTE
+# Non-executable stack support working correctly
+MIPS_GNU_STACK mips*-*-linux*