http://llvm.org/bugs/show_bug.cgi?id=8814
Summary: [MC assembler] .set directives don't seem to work
Product: new-bugs
Version: trunk
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
It appears .set directives (synonymous with .equ, according to the
binutils docs) do not work, at least not with constant expressions.
This is on x86_64 and i386, with ELF format, but it may also apply to
other arches and object formats, I have not tested those.
Reduced testcase:
.set kernbase,0xffffffff80000000
Assembling this with GNU as gives the following symbol table in the
resulting .o file:
Symbol table '.symtab' contains 5 entries:
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
1: 0000000000000000 0 SECTION LOCAL DEFAULT 1
2: 0000000000000000 0 SECTION LOCAL DEFAULT 2
3: 0000000000000000 0 SECTION LOCAL DEFAULT 3
4: ffffffff80000000 0 NOTYPE LOCAL DEFAULT ABS kernbase
Assembling with integrated-as (r122159) gives:
Symbol table '.symtab' contains 5 entries:
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
1: 0000000000000000 0 NOTYPE LOCAL DEFAULT ABS kernbase
2: 0000000000000000 0 SECTION LOCAL DEFAULT 1
3: 0000000000000000 0 SECTION LOCAL DEFAULT 2
4: 0000000000000000 0 SECTION LOCAL DEFAULT 3
E.g. the 'kernbase' symbol is not assigned properly.
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