diff options
author | Tom Musta <tommusta@gmail.com> | 2014-08-12 13:53:40 -0500 |
---|---|---|
committer | Riku Voipio <riku.voipio@linaro.org> | 2014-08-22 15:06:35 +0300 |
commit | 0903c8be9ee7925863c6c50a2096b6e919be861c (patch) | |
tree | 74f989ee6f0b7f18b8179911d7a41a06a76b748e /linux-user | |
parent | 67d6d829cdc4e76f64162e6ba8861ee527987bd5 (diff) | |
download | qemu-0903c8be9ee7925863c6c50a2096b6e919be861c.zip qemu-0903c8be9ee7925863c6c50a2096b6e919be861c.tar.gz qemu-0903c8be9ee7925863c6c50a2096b6e919be861c.tar.bz2 |
linux-user: Minimum Sig Handler Stack Size for PPC64 ELF V2
The ELF V2 ABI for PPC64 defines MINSIGSTKSZ as 4096 bytes whereas it was
2048 previously.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Diffstat (limited to 'linux-user')
-rw-r--r-- | linux-user/aarch64/syscall.h | 1 | ||||
-rw-r--r-- | linux-user/alpha/syscall.h | 1 | ||||
-rw-r--r-- | linux-user/arm/syscall.h | 2 | ||||
-rw-r--r-- | linux-user/cris/syscall.h | 1 | ||||
-rw-r--r-- | linux-user/i386/syscall.h | 1 | ||||
-rw-r--r-- | linux-user/m68k/syscall.h | 2 | ||||
-rw-r--r-- | linux-user/microblaze/syscall.h | 1 | ||||
-rw-r--r-- | linux-user/mips/syscall.h | 1 | ||||
-rw-r--r-- | linux-user/mips64/syscall.h | 1 | ||||
-rw-r--r-- | linux-user/openrisc/syscall.h | 2 | ||||
-rw-r--r-- | linux-user/ppc/syscall.h | 2 | ||||
-rw-r--r-- | linux-user/s390x/syscall.h | 1 | ||||
-rw-r--r-- | linux-user/sh4/syscall.h | 2 | ||||
-rw-r--r-- | linux-user/signal.c | 12 | ||||
-rw-r--r-- | linux-user/sparc/syscall.h | 1 | ||||
-rw-r--r-- | linux-user/sparc64/syscall.h | 1 | ||||
-rw-r--r-- | linux-user/unicore32/syscall.h | 2 | ||||
-rw-r--r-- | linux-user/x86_64/syscall.h | 1 |
18 files changed, 34 insertions, 1 deletions
diff --git a/linux-user/aarch64/syscall.h b/linux-user/aarch64/syscall.h index 18f44a8..d1f4823 100644 --- a/linux-user/aarch64/syscall.h +++ b/linux-user/aarch64/syscall.h @@ -8,3 +8,4 @@ struct target_pt_regs { #define UNAME_MACHINE "aarch64" #define UNAME_MINIMUM_RELEASE "3.8.0" #define TARGET_CLONE_BACKWARDS +#define TARGET_MINSIGSTKSZ 2048 diff --git a/linux-user/alpha/syscall.h b/linux-user/alpha/syscall.h index ed13d9a..3adedeb 100644 --- a/linux-user/alpha/syscall.h +++ b/linux-user/alpha/syscall.h @@ -252,3 +252,4 @@ struct target_pt_regs { #define TARGET_UAC_NOPRINT 1 #define TARGET_UAC_NOFIX 2 #define TARGET_UAC_SIGBUS 4 +#define TARGET_MINSIGSTKSZ 4096 diff --git a/linux-user/arm/syscall.h b/linux-user/arm/syscall.h index e0d2cc3..cdadb0c 100644 --- a/linux-user/arm/syscall.h +++ b/linux-user/arm/syscall.h @@ -44,3 +44,5 @@ struct target_pt_regs { #define UNAME_MINIMUM_RELEASE "2.6.32" #define TARGET_CLONE_BACKWARDS + +#define TARGET_MINSIGSTKSZ 2048 diff --git a/linux-user/cris/syscall.h b/linux-user/cris/syscall.h index f5783c0..a75bcc4 100644 --- a/linux-user/cris/syscall.h +++ b/linux-user/cris/syscall.h @@ -39,5 +39,6 @@ struct target_pt_regs { }; #define TARGET_CLONE_BACKWARDS2 +#define TARGET_MINSIGSTKSZ 2048 #endif diff --git a/linux-user/i386/syscall.h b/linux-user/i386/syscall.h index 9bfc1ad..acf6856 100644 --- a/linux-user/i386/syscall.h +++ b/linux-user/i386/syscall.h @@ -147,3 +147,4 @@ struct target_vm86plus_struct { #define UNAME_MINIMUM_RELEASE "2.6.32" #define TARGET_CLONE_BACKWARDS +#define TARGET_MINSIGSTKSZ 2048 diff --git a/linux-user/m68k/syscall.h b/linux-user/m68k/syscall.h index 889eaf7..f8553f8 100644 --- a/linux-user/m68k/syscall.h +++ b/linux-user/m68k/syscall.h @@ -18,4 +18,6 @@ struct target_pt_regs { #define UNAME_MACHINE "m68k" #define UNAME_MINIMUM_RELEASE "2.6.32" +#define TARGET_MINSIGSTKSZ 2048 + void do_m68k_simcall(CPUM68KState *, int); diff --git a/linux-user/microblaze/syscall.h b/linux-user/microblaze/syscall.h index 5b5f6b4..2a5e160 100644 --- a/linux-user/microblaze/syscall.h +++ b/linux-user/microblaze/syscall.h @@ -49,5 +49,6 @@ struct target_pt_regs { }; #define TARGET_CLONE_BACKWARDS +#define TARGET_MINSIGSTKSZ 2048 #endif diff --git a/linux-user/mips/syscall.h b/linux-user/mips/syscall.h index 5bc5696..0b4662c 100644 --- a/linux-user/mips/syscall.h +++ b/linux-user/mips/syscall.h @@ -228,3 +228,4 @@ struct target_pt_regs { #define UNAME_MINIMUM_RELEASE "2.6.32" #define TARGET_CLONE_BACKWARDS +#define TARGET_MINSIGSTKSZ 2048 diff --git a/linux-user/mips64/syscall.h b/linux-user/mips64/syscall.h index a7f5a58..39b8bed 100644 --- a/linux-user/mips64/syscall.h +++ b/linux-user/mips64/syscall.h @@ -225,3 +225,4 @@ struct target_pt_regs { #define UNAME_MINIMUM_RELEASE "2.6.32" #define TARGET_CLONE_BACKWARDS +#define TARGET_MINSIGSTKSZ 2048 diff --git a/linux-user/openrisc/syscall.h b/linux-user/openrisc/syscall.h index c3b36da..e5e6180 100644 --- a/linux-user/openrisc/syscall.h +++ b/linux-user/openrisc/syscall.h @@ -23,3 +23,5 @@ struct target_pt_regs { #define UNAME_MACHINE "openrisc" #define UNAME_MINIMUM_RELEASE "2.6.32" + +#define TARGET_MINSIGSTKSZ 2048 diff --git a/linux-user/ppc/syscall.h b/linux-user/ppc/syscall.h index db92bbe..5311cc6 100644 --- a/linux-user/ppc/syscall.h +++ b/linux-user/ppc/syscall.h @@ -69,3 +69,5 @@ struct target_revectored_struct { #define UNAME_MINIMUM_RELEASE "2.6.32" #define TARGET_CLONE_BACKWARDS + +#define TARGET_MINSIGSTKSZ 2048 diff --git a/linux-user/s390x/syscall.h b/linux-user/s390x/syscall.h index aaad512..b11a3b2 100644 --- a/linux-user/s390x/syscall.h +++ b/linux-user/s390x/syscall.h @@ -24,3 +24,4 @@ struct target_pt_regs { #define UNAME_MINIMUM_RELEASE "2.6.32" #define TARGET_CLONE_BACKWARDS2 +#define TARGET_MINSIGSTKSZ 2048 diff --git a/linux-user/sh4/syscall.h b/linux-user/sh4/syscall.h index ccd2216..285ecf3 100644 --- a/linux-user/sh4/syscall.h +++ b/linux-user/sh4/syscall.h @@ -11,3 +11,5 @@ struct target_pt_regs { #define UNAME_MACHINE "sh4" #define UNAME_MINIMUM_RELEASE "2.6.32" + +#define TARGET_MINSIGSTKSZ 2048 diff --git a/linux-user/signal.c b/linux-user/signal.c index 1141054..26929c5 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -617,6 +617,15 @@ abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp) { struct target_sigaltstack *uss; struct target_sigaltstack ss; + size_t minstacksize = TARGET_MINSIGSTKSZ; + +#if defined(TARGET_PPC64) + /* ELF V2 for PPC64 has a 4K minimum stack size for signal handlers */ + struct image_info *image = ((TaskState *)thread_cpu->opaque)->info; + if (get_ppc64_abi(image) > 1) { + minstacksize = 4096; + } +#endif ret = -TARGET_EFAULT; if (!lock_user_struct(VERIFY_READ, uss, uss_addr, 1)) { @@ -642,8 +651,9 @@ abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp) ss.ss_sp = 0; } else { ret = -TARGET_ENOMEM; - if (ss.ss_size < MINSIGSTKSZ) + if (ss.ss_size < minstacksize) { goto out; + } } target_sigaltstack_used.ss_sp = ss.ss_sp; diff --git a/linux-user/sparc/syscall.h b/linux-user/sparc/syscall.h index 9549ea0..ae40744 100644 --- a/linux-user/sparc/syscall.h +++ b/linux-user/sparc/syscall.h @@ -15,3 +15,4 @@ struct target_pt_regs { * and copy_thread(). */ #define TARGET_CLONE_BACKWARDS +#define TARGET_MINSIGSTKSZ 4096 diff --git a/linux-user/sparc64/syscall.h b/linux-user/sparc64/syscall.h index 82b1680..816a00f 100644 --- a/linux-user/sparc64/syscall.h +++ b/linux-user/sparc64/syscall.h @@ -16,3 +16,4 @@ struct target_pt_regs { * and copy_thread(). */ #define TARGET_CLONE_BACKWARDS +#define TARGET_MINSIGSTKSZ 4096 diff --git a/linux-user/unicore32/syscall.h b/linux-user/unicore32/syscall.h index f7e5525..3ed6237 100644 --- a/linux-user/unicore32/syscall.h +++ b/linux-user/unicore32/syscall.h @@ -53,4 +53,6 @@ struct target_pt_regs { #define UNAME_MACHINE "UniCore-II" #define UNAME_MINIMUM_RELEASE "2.6.32" +#define TARGET_MINSIGSTKSZ 2048 + #endif /* __UC32_SYSCALL_H__ */ diff --git a/linux-user/x86_64/syscall.h b/linux-user/x86_64/syscall.h index e03b5a0..5828b91 100644 --- a/linux-user/x86_64/syscall.h +++ b/linux-user/x86_64/syscall.h @@ -97,3 +97,4 @@ struct target_msqid64_ds { #define TARGET_ARCH_SET_FS 0x1002 #define TARGET_ARCH_GET_FS 0x1003 #define TARGET_ARCH_GET_GS 0x1004 +#define TARGET_MINSIGSTKSZ 2048 |