Re: Memmove causing program crashes, giving SIGTRAP in GDB(?)
Glenn Strauss via Cygwin <[email protected]>
| Newsgroups | gmane.os.cygwin |
|---|---|
| Message-ID | <aaABFf5iEowV1l7I@xps13> |
On Wed, Feb 25, 2026 at 11:59:07PM -0800, KENNON J CONRAD via Cygwin wrote: > Okay, so now I learned about setting the frame and disassemble and see the memmove code: > > Dump of assembler code for function memmove: [snip] > => 0x00007ff96ba812a9 <+137>: rep movsq %ds:(%rsi),%es:(%rdi) [snip] > End of assembler dump. movsq requires address alignment of 8 bytes. What are the pointer addresses of the arguments to memmove()? A SIGTRAP may result if the addresses are not 8-byte aligned. Cheers, Glenn -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple