https://llvm.org/bugs/show_bug.cgi?id=31769
Bug ID: 31769
Summary: arm __aeabi_read_tp call does not honour -mlong-calls
Product: new-bugs
Version: trunk
Hardware: PC
OS: FreeBSD
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: ema...@freebsd.org
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Found while building LLDB 4.0.0 in the FreeBSD/arm base system. It's necessary
to build with -mlong-calls, but Clang generates bl calls to __aeabi_read_tp.
260: fe ff ff eb bl #-8 <llvm_regexec+0x260>
00000260: R_ARM_CALL __aeabi_read_tp
Confirmed with clang version 5.0.0 (http://llvm.org/git/clang.git
b65f3ab1697eeccb98d1b634f99747a9b0c2edcb)
See also https://reviews.freebsd.org/D9348 (required to fix -mlong-calls for
LLVM's .c files in FreeBSD).
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