https://llvm.org/bugs/show_bug.cgi?id=22906
Bug ID: 22906
Summary: lld does not seem to support __start and __stop
Product: lld
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
GNU ld supports the magic __start and __stop symbols as markers for the
beginning/end of sections. For example:
int var1 __attribute__((__section__("foo")));
int var2 __attribute__((__section__("foo")));
extern int __start_foo[0];
extern int __stop_foo[0];
GNU ld automatically adds these symbols if undefined. They will point to the
beginning/end of the section "foo". Couple of important things to keep in mind
when implementing this:
- Don't let --gc-sections reap these sections if __start_foo and __stop_foo are
being used.
- Don't inject these symbols if the section itself does not exist.
GNU ld also doesn't do this.
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