diff options
| author | Steve McIntyre <steve.mcintyre@linaro.org> | 2012-08-23 20:38:25 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-08-23 20:38:25 +0000 |
| commit | d3bafbc98e91e97b67b5402ec5f87eef7edfd64b (patch) | |
| tree | 988246498843887e2742d62c9b86029834030b49 | |
| parent | 4efcc022656a709cc78cd9078a5bfc2b19323bc7 (diff) | |
| download | glibc-d3bafbc98e91e97b67b5402ec5f87eef7edfd64b.tar.gz glibc-d3bafbc98e91e97b67b5402ec5f87eef7edfd64b.tar.xz glibc-d3bafbc98e91e97b67b5402ec5f87eef7edfd64b.zip | |
Check floating-point ABI in ARM VALID_ELF_HEADER.
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | elf/elf.h | 3 | ||||
| -rw-r--r-- | ports/ChangeLog.arm | 6 | ||||
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/arm/ldsodefs.h | 18 |
4 files changed, 29 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog index 3a5a2ccb74..7bc3a24231 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2012-08-23 Steve McIntyre <steve.mcintyre@linaro.org> + + * elf/elf.h (EF_ARM_ABI_FLOAT_SOFT): New macro. + (EF_ARM_ABI_FLOAT_HARD): Likewise. + 2012-08-23 Joseph Myers <joseph@codesourcery.com> * sysdeps/unix/sysv/linux/dl-fxstatat64.c: Use <> instead of "" in diff --git a/elf/elf.h b/elf/elf.h index 1e67ef5ef7..6c85f92196 100644 --- a/elf/elf.h +++ b/elf/elf.h @@ -2250,6 +2250,9 @@ typedef Elf32_Addr Elf32_Conflict; #define EF_ARM_VFP_FLOAT 0x400 #define EF_ARM_MAVERICK_FLOAT 0x800 +#define EF_ARM_ABI_FLOAT_SOFT 0x200 /* NB conflicts with EF_ARM_SOFT_FLOAT */ +#define EF_ARM_ABI_FLOAT_HARD 0x400 /* NB conflicts with EF_ARM_VFP_FLOAT */ + /* Other constants defined in the ARM ELF spec. version B-01. */ /* NB. These conflict with values defined above. */ diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm index 4acc473dec..f9f616fb0e 100644 --- a/ports/ChangeLog.arm +++ b/ports/ChangeLog.arm @@ -1,3 +1,9 @@ +2012-08-23 Steve McIntyre <steve.mcintyre@linaro.org> + + * sysdeps/unix/sysv/linux/arm/ldsodefs.h (VALID_FLOAT_ABI): Define + depending on __ARM_PCS_VFP. + (VALID_ELF_HEADER): Also check VALID_FLOAT_ABI. + 2012-08-20 Joseph Myers <joseph@codesourcery.com> * sysdeps/unix/sysv/linux/arm/kernel-features.h diff --git a/ports/sysdeps/unix/sysv/linux/arm/ldsodefs.h b/ports/sysdeps/unix/sysv/linux/arm/ldsodefs.h index 8980bb1996..d958862225 100644 --- a/ports/sysdeps/unix/sysv/linux/arm/ldsodefs.h +++ b/ports/sysdeps/unix/sysv/linux/arm/ldsodefs.h @@ -27,10 +27,22 @@ #define EXTRA_OSABI ELFOSABI_ARM_AEABI +#ifdef __ARM_PCS_VFP +# define VALID_FLOAT_ABI(x) \ + ((EF_ARM_EABI_VERSION ((x)) != EF_ARM_EABI_VER5) \ + || !((x) & EF_ARM_ABI_FLOAT_SOFT)) +#else +# define VALID_FLOAT_ABI(x) \ + ((EF_ARM_EABI_VERSION ((x)) != EF_ARM_EABI_VER5) \ + || !((x) & EF_ARM_ABI_FLOAT_HARD)) +#endif + +#undef VALID_ELF_HEADER #define VALID_ELF_HEADER(hdr,exp,size) \ - (memcmp (hdr, exp, size) == 0 \ - || memcmp (hdr, expected2, size) == 0 \ - || memcmp (hdr, expected3, size) == 0) + ((memcmp (hdr, exp, size) == 0 \ + || memcmp (hdr, expected2, size) == 0 \ + || memcmp (hdr, expected3, size) == 0) \ + && VALID_FLOAT_ABI (ehdr->e_flags)) #define VALID_ELF_OSABI(osabi) (osabi == ELFOSABI_SYSV \ || osabi == EXTRA_OSABI \ || osabi == ELFOSABI_LINUX) |