Commit Graph

5 Commits

Author SHA1 Message Date
George Rimar a50054829d [ELF] - Add support for '||' and '&&' in linker scripts.
This is https://bugs.llvm.org//show_bug.cgi?id=37976,
we had no support, but seems someone faced it.

llvm-svn: 336197
2018-07-03 14:02:52 +00:00
George Rimar fd11560f6e [ELF] - Linkerscript: support MIN and MAX.
Sample for the OVERLAY command from the spec 
(https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/4/html/Using_ld_the_GNU_Linker/sections.html)
uses MAX command that we do not support currently:

. = 0x1000 + MAX (SIZEOF (.text0), SIZEOF (.text1));

This patch implements support for MIN and MAX.

Differential revision: https://reviews.llvm.org/D44734

llvm-svn: 328696
2018-03-28 11:33:00 +00:00
Rui Ueyama aa92fca83c Fix linker script operator precedence.
"&" should have higher priority than "|" [1]. Previously, they had
the same priority.

[1] https://sourceware.org/binutils/docs/ld/Operators.html

Differential Revision: https://reviews.llvm.org/D43880

llvm-svn: 327684
2018-03-15 23:12:33 +00:00
George Rimar 7b91e2133e [ELF] - Report location for div/mod by zero.
"division by zero" or "modulo by zero" are not
very informative errors and even probably confusing
as does not let to know that error is coming from linker script.
Patch adds location reporting.

Differential revision: https://reviews.llvm.org/D43934

llvm-svn: 326686
2018-03-05 10:02:44 +00:00
Rui Ueyama 2dfe49a441 Write some tests as linker scripts instead of assembly files.
Some linker script test cases contain only a few lines of assembly
and a long linker script. Such tests are easier to maintain if we
write the main test file as a linkier script instead of assembly.

Differential Revision: https://reviews.llvm.org/D43887

llvm-svn: 326363
2018-02-28 20:22:42 +00:00