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From: "yuri.karlsbrun at broadcom dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug debug/101905] New: Missed debug information for global register variable Date: Sat, 14 Aug 2021 02:19:16 +0000 [thread overview] Message-ID: <bug-101905-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101905 Bug ID: 101905 Summary: Missed debug information for global register variable Product: gcc Version: 9.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: debug Assignee: unassigned at gcc dot gnu.org Reporter: yuri.karlsbrun at broadcom dot com Target Milestone: --- file evi.c: register void* regVar asm ("r15"); int main() { char *str = "Hello"; regVar = str; return 0; } % gcc -v Using built-in specs. COLLECT_GCC=/tools/oss/packages/x86_64-centos7/gcc/9.3.0/bin/gcc COLLECT_LTO_WRAPPER=/tools/oss/packages/x86_64-rhel7/gcc/9.3.0/bin/../libexec/gcc/x86_64-pc-linux-gnu/9.3.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../../gcc-9.3.0/configure --prefix=/tools/oss/packages/x86_64-centos7/gcc/9.3.0 --with-gnu-as --with-as=/tools/bin/as --with-gnu-ld --with-ld=/tools/bin/ld --with-mpc=/tools/oss/packages/x86_64-centos7/mpc/1.0.3 --with-mpfr=/tools/oss/packages/x86_64-centos7/mpfr/3.1.2 --enable-languages=c,c++,objc --enable-symvers=gnu Thread model: posix gcc version 9.3.0 (GCC) % gcc -g3 evi.c -o evi % gdb evi (gdb) list 1 register void* regVar asm ("r15"); 2 int 3 main() 4 { 5 char *str = "Hello"; 6 regVar = str; 7 return 0; 8 } (gdb) b 7 Breakpoint 1 at 0x400502: file evi.c, line 7. (gdb) r Starting program: evi Breakpoint 1, main () at evi.c:7 7 return 0; (gdb) p regVar Missing ELF symbol "regVar". (gdb) p str $1 = 0x400594 "Hello" (gdb) p/x $r15 $2 = 0x400594 (gdb) p (char *)$r15 $3 = 0x400594 "Hello" I tried it for ARM architecture as well with the same result. Thanks, Yuri
next reply other threads:[~2021-08-14 2:19 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-08-14 2:19 yuri.karlsbrun at broadcom dot com [this message] 2021-08-16 9:03 ` [Bug debug/101905] " rguenth at gcc dot gnu.org 2021-08-16 10:33 ` jakub at gcc dot gnu.org 2021-08-18 20:42 ` yuri.karlsbrun at broadcom dot com 2021-08-18 21:04 ` [Bug debug/101905] [9/10/11/12 Regression] " jakub at gcc dot gnu.org 2021-08-18 21:10 ` jakub at gcc dot gnu.org 2021-08-18 21:34 ` jakub at gcc dot gnu.org 2021-08-19 8:47 ` rguenth at gcc dot gnu.org 2021-08-20 11:33 ` jakub at gcc dot gnu.org 2021-08-20 12:49 ` rguenther at suse dot de 2021-08-23 9:51 ` cvs-commit at gcc dot gnu.org 2021-08-23 9:55 ` cvs-commit at gcc dot gnu.org 2021-08-23 10:05 ` [Bug debug/101905] [9/10 " jakub at gcc dot gnu.org 2022-05-10 8:20 ` cvs-commit at gcc dot gnu.org 2022-05-11 6:22 ` cvs-commit at gcc dot gnu.org 2022-05-11 6:36 ` jakub at gcc dot gnu.org
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