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| author |   Chris Metcalf <cmetcalf@tilera.com> | 2012-12-12 17:24:39 -0500 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2012-12-13 11:34:24 -0500 |
| commit | cb67e161bc947ab467657dda38168c2b2266f5bc (patch) | |
| tree | 289e3905765484e8736a62f1a8a289d833e0960e /arch/tile/include/uapi | |
| parent | tile/PCI: use for_each_pci_dev to simplify the code (diff) | |
| download | linux-dev-cb67e161bc947ab467657dda38168c2b2266f5bc.tar.xz linux-dev-cb67e161bc947ab467657dda38168c2b2266f5bc.zip | |
arch/tile: provide PT_FLAGS_COMPAT value in pt_regs
This flag is set for ptrace GETREGS or PEEKUSER for processes
that are COMPAT, i.e. 32-bit. This allows things like strace
to easily discover what personality to use, for example.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Diffstat (limited to 'arch/tile/include/uapi')
| -rw-r--r-- | arch/tile/include/uapi/asm/ptrace.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/tile/include/uapi/asm/ptrace.h b/arch/tile/include/uapi/asm/ptrace.h index c717d0fec72e..0d2208803b29 100644 --- a/arch/tile/include/uapi/asm/ptrace.h +++ b/arch/tile/include/uapi/asm/ptrace.h @@ -84,5 +84,11 @@ struct pt_regs { #define PTRACE_O_TRACEMIGRATE 0x00010000 #define PTRACE_EVENT_MIGRATE 16 +/* + * Flag bits in pt_regs.flags that are part of the ptrace API. + * We start our numbering higher up to avoid confusion with the + * non-ABI kernel-internal values that use the low 16 bits. + */ +#define PT_FLAGS_COMPAT 0x10000 /* process is an -m32 compat process */ #endif /* _UAPI_ASM_TILE_PTRACE_H */ |