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* tapset/i386/nd_syscalls.stp: Add support for 'sys_mmap_pgoff' (which is
what the mmap syscall uses).
* tapset/x86_64/nd_syscalls.stp: Ditto.
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* tapset/i386/syscalls.stp: Add support for 'sys_mmap_pgoff' (which is
what the mmap syscall uses).
* tapset/x86_64/syscalls.stp: Ditto.
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* testsuite/systemtap.syscall/mmap.c (main): Added mprotect and mremap
testing (along with testing of anonymous maps).
* tapset/i386/syscalls.stp: In mmap probes, handle the fact that the
kernel gets an unsigned long 'fd', but the user-side passes a signed
int.
* tapset/i386/nd_syscalls.stp: Ditto.
* tapset/ia64/syscalls.stp: Ditto.
* tapset/powerpc/nd_syscalls.stp: Ditto.
* tapset/powerpc/syscalls.stp: Ditto.
* tapset/x86_64/nd_syscalls.stp: Ditto.
* tapset/x86_64/syscalls.stp: Ditto.
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The nd_syscalls tapset is meant to run with no debuginfo, so using a
@cast into a module type defeats the purpose. We should use a @cast
with a header name instead, so debuginfo is generated.
* tapset/i386/nd_syscalls.stp (nd_syscall.sigaltstack): Get the pt_regs
type definition from "kernel<asm/ptrace.h>".
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The argument fix in commit 77c26b4 needs to be made in nd_syscalls too,
where the conditional kernel should be 2.6.30 instead of 2.6.29.
* tapset/i386/nd_syscalls.stp (nd_syscall.sigaltstack): Check 2.6.30.
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For i386 sys_sigaltstack changed argument params starting with kernel
commit b12bda which was only included in 2.6.30, not in any 2.6.29 kernel.
* tapset/i386/syscalls.stp (sys_sigaltstack): ussp conditional should be
kernel_v < "2.6.30" for param change (from bx to regs).
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* tapset/conversions.stp (kernel_long, kernel_int, kernel_short,
kernel_char): All are actually using kread(), not deref().
* tapset/i386/registers.stp (_stp_arg): Ditto.
* tapset/x86_64/registers.stp (_stp_arg): Ditto.
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