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[gdb/testsuite] Require syscall time in gdb.reverse/time-reverse.exp

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On aarch64-linux, I run into:
...
Running gdb.reverse/time-reverse.exp ...
gdb compile failed, gdb.reverse/time-reverse.c: In function 'main':
gdb.reverse/time-reverse.c:39:12: error: 'SYS_time' undeclared \
  (first use in this function); did you mean 'SYS_times'?
   syscall (SYS_time, &time_global);
            ^~~~~~~~
            SYS_times
gdb.reverse/time-reverse.c:39:12: note: each undeclared identifier is \
  reported only once for each function it appears in
UNTESTED: gdb.reverse/time-reverse.exp: failed to prepare
...

Fix this by adding a new proc have_syscall, and requiring syscall time, such
that we have instead:
...
UNSUPPORTED: gdb.reverse/time-reverse.exp: require failed: \
  expr [have_syscall time]
...

Tested on x86_64-linux and aarch64-linux.
This commit is contained in:
Tom de Vries
2023-02-21 14:10:12 +01:00
parent d720176596
commit b3060b0513
2 changed files with 13 additions and 0 deletions
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2
gdb/testsuite/gdb.reverse/time-reverse.exp
View File

@ -23,6 +23,8 @@ require supports_reverse
standard_testfile standard_testfile
require {expr [have_syscall time]}
if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } { if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } {
return -1 return -1
} }

11
gdb/testsuite/lib/gdb.exp
View File

@ -9397,5 +9397,16 @@ gdb_caching_proc linux_kernel_version {
return [list $v1 $v2 $v3] return [list $v1 $v2 $v3]
} }
# Return 1 if syscall NAME is supported.
proc have_syscall { name } {
set src \
[list \
"#include <sys/syscall.h>" \
"int var = SYS_$name;"]
set src [join $src "\n"]
return [gdb_can_simple_compile have_syscall_$name $src object]
}
# Always load compatibility stuff. # Always load compatibility stuff.
load_lib future.exp load_lib future.exp