MatCat.OpenSource/8sa1-binutils-gdb
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2021-03-18 Christian Groessler <chris@groessler.org>

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* config/tc-z8k.c (apply_fix): Handle 7-bit relocations correctly.
       Problem found by Tadashi G. Takaoka <tadashi.g.takaoka@gmail.com>.
This commit is contained in:
Christian Groessler 2021-03-18 21:33:51 +01:00
parent 15310fd4eb
commit 3273f9a19e
2 changed files with 31 additions and 16 deletions
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gas/ChangeLog
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@ -1,3 +1,8 @@
2021-03-18 Christian Groessler <chris@groessler.org>
* config/tc-z8k.c (apply_fix): Handle 7-bit relocations correctly.
Problem found by Tadashi G. Takaoka <tadashi.g.takaoka@gmail.com>.
2021-03-16 Kuan-Lin Chen <kuanlinchentw@gmail.com>
* config/tc-riscv.c (ext_version_table): Add b, zba, zbb and zbc.

42
gas/config/tc-z8k.c
View File

@ -993,24 +993,34 @@ apply_fix (unsigned char *ptr, bfd_reloc_code_real_type type,
/* size is in nibbles. */
newfix ((ptr - buffer) / 2, type, size + 1, operand);
switch (size)
if (type == BFD_RELOC_Z8K_DISP7)
{
case 8: /* 8 nibbles == 32 bits. */
*ptr++ = n >> 28;
*ptr++ = n >> 24;
*ptr++ = n >> 20;
*ptr++ = n >> 16;
/* Fall through. */
case 4: /* 4 nibbles == 16 bits. */
*ptr++ = n >> 12;
*ptr++ = n >> 8;
/* Fall through. */
case 2:
*ptr++ = n >> 4;
/* Fall through. */
case 1:
/* 2 nibbles, but most significant bit is part of the opcode == 7 bits. */
*ptr++ = (n >> 4) & 7;
*ptr++ = n >> 0;
break;
}
else
{
switch (size)
{
case 8: /* 8 nibbles == 32 bits. */
*ptr++ = n >> 28;
*ptr++ = n >> 24;
*ptr++ = n >> 20;
*ptr++ = n >> 16;
/* Fall through. */
case 4: /* 4 nibbles == 16 bits. */
*ptr++ = n >> 12;
*ptr++ = n >> 8;
/* Fall through. */
case 2:
*ptr++ = n >> 4;
/* Fall through. */
case 1:
*ptr++ = n >> 0;
break;
}
}
return ptr;
}