Обсуждение: PG_MODULE_MAGIC lost if strip the object file
Hi list, I create a dynamic library with the PG_MODULE_MAGIC under Linux. No problem in normal situation, but if I strip the .o file, that information seems to get lost and I get: ERROR: incompatible library "...so": missing magic block TIP: Extension libraries are required to use the PG_MODULE_MAGIC macro. I want to strip my code to make it harder to use gdb on it. Any suggestion how I can get it working "with" stripping the .o file? Thanks, Michael -- WINCOR NIXDORF International GmbH Sitz der Gesellschaft: Paderborn Registergericht Paderborn HRB 3507 Gesch�ftsf�hrer: Eckard Heidloff (Vorsitzender), Stefan Auerbach, Dr. J�rgen Wunram Vorsitzender des Aufsichtsrats: Karl-Heinz Stiller Steuernummer: 339/5884/0020 - Ust-ID Nr.: DE812927716 - WEEE-Reg.-Nr. DE44477193 Diese E-Mail enth�lt vertrauliche Informationen. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrt�mlich erhaltenhaben, informieren Sie bitte sofort den Absender und vernichten Sie diese E-Mail. Das unerlaubte Kopieren sowie dieunbefugte Weitergabe dieser E-Mail ist nicht gestattet. This e-mail may contain confidential information. If you are not the intended recipient (or have received this e-mail inerror) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distributionof the material in this e-mail is strictly forbidden.
Michael Enke wrote: > Hi list, > I create a dynamic library with the PG_MODULE_MAGIC under Linux. > No problem in normal situation, but if I strip the .o file, > that information seems to get lost and I get: > ERROR: incompatible library "...so": missing magic block > TIP: Extension libraries are required to use the PG_MODULE_MAGIC macro. > > I want to strip my code to make it harder to use gdb on it. > Any suggestion how I can get it working "with" stripping the .o file? How about not compiling with -g? -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support
Michael Enke <michael.enke@wincor-nixdorf.com> writes:
> I create a dynamic library with the PG_MODULE_MAGIC under Linux.
> No problem in normal situation, but if I strip the .o file,
> that information seems to get lost and I get:
> ERROR: incompatible library "...so": missing magic block
> TIP: Extension libraries are required to use the PG_MODULE_MAGIC macro.
Don't strip global symbols.
regards, tom lane
Alvaro Herrera wrote: > Michael Enke wrote: > >>Hi list, >>I create a dynamic library with the PG_MODULE_MAGIC under Linux. >>No problem in normal situation, but if I strip the .o file, >>that information seems to get lost and I get: >>ERROR: incompatible library "...so": missing magic block >>TIP: Extension libraries are required to use the PG_MODULE_MAGIC macro. >> >>I want to strip my code to make it harder to use gdb on it. >>Any suggestion how I can get it working "with" stripping the .o file? > > > How about not compiling with -g? > I do not compile with -g. -- WINCOR NIXDORF International GmbH Sitz der Gesellschaft: Paderborn Registergericht Paderborn HRB 3507 Gesch�ftsf�hrer: Eckard Heidloff (Vorsitzender), Stefan Auerbach, Dr. J�rgen Wunram Vorsitzender des Aufsichtsrats: Karl-Heinz Stiller Steuernummer: 339/5884/0020 - Ust-ID Nr.: DE812927716 - WEEE-Reg.-Nr. DE44477193 Diese E-Mail enth�lt vertrauliche Informationen. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrt�mlich erhaltenhaben, informieren Sie bitte sofort den Absender und vernichten Sie diese E-Mail. Das unerlaubte Kopieren sowie dieunbefugte Weitergabe dieser E-Mail ist nicht gestattet. This e-mail may contain confidential information. If you are not the intended recipient (or have received this e-mail inerror) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distributionof the material in this e-mail is strictly forbidden.