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i#6417: Handle AMD 32-bit syscall instruction. #6464

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merged 3 commits into from
Nov 20, 2023
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i#6417: Handle AMD 32-bit syscall instruction. #6464

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ae9bfc9
i#6417: Handle AMD 32-bit syscall instruction.
ivankyluk Nov 17, 2023
20232f9
Merge branch 'master' into i6417-handle-amd-32-bit-syscall-instruction
ivankyluk Nov 17, 2023
3fbe2ef
Merge branch 'master' into i6417-handle-amd-32-bit-syscall-instruction
ivankyluk Nov 20, 2023
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6 changes: 5 additions & 1 deletion core/synch.c
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Original file line number Diff line number Diff line change
Expand Up @@ -273,7 +273,11 @@ is_at_do_syscall(dcontext_t *dcontext, app_pc pc, byte *esp)
#else
return is_after_or_restarted_do_syscall(dcontext, pc, false /*!vsys*/);
#endif
} else if (get_syscall_method() == SYSCALL_METHOD_SYSENTER) {
} else if (get_syscall_method() ==
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SYSCALL_METHOD_SYSENTER IF_X86_32(
||
(get_syscall_method() == SYSCALL_METHOD_SYSCALL &&
cpu_info.vendor == VENDOR_AMD))) {
#ifdef WINDOWS
if (pc == vsyscall_after_syscall) {
if (DYNAMO_OPTION(sygate_sysenter))
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