Messages in this thread |  | | | Date | Sun, 11 Jan 2004 16:52:14 -0800 (PST) | | From | Davide Libenzi <> | | Subject | Re: [PATCH][TRIVIAL] Remove bogus "value 0x37ffffff truncated to 0x37ffffff" warning. |
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On Mon, 12 Jan 2004, Bart Samwel wrote:
> Davide Libenzi wrote: > >>Now it seems to behave correctly: for '~' it always warns, for '-' it > >>only warns if the negative value is below -0x80000000. I'll submit a > >>patch to this effect (including the format extensions) to the binutils > >>people. > > > > binutils 2.14 works fine, so I believe they already fixed it. > > Against your code, yes. I'm using binutils 2.14 as well. Check it when > declaring a .long, like the kernel code does. Then it warns.
Nope. It does not. Tested on three versions of binutils:
[davide@bigblue davide]$ as << EOF > PG=0xC0000000 > VM=(128 << 20) > .long (-PG - VM) - 1 > .long (~PG + 1 - VM) - 1 > EOF [davide@bigblue davide]$ objdump -D a.out
a.out: file format elf32-i386
Disassembly of section .text:
00000000 <.text>: 0: ff (bad) 1: ff (bad) 2: ff 37 pushl (%edi) 4: ff (bad) 5: ff (bad) 6: ff 37 pushl (%edi) Disassembly of section .data:
Also, most important, the `make bzImage` does not give any warnings.
- Davide
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