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Fix N32 ABI issue for MIPS.

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This commit is contained in:
Mark H Weaver
2013-10-26 08:30:06 -04:00
committed by Anthony Green
parent d6716aba81
commit d3372c54ce
2 changed files with 12 additions and 0 deletions
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5
ChangeLog
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@@ -1,3 +1,8 @@
2013-10-23 Mark H Weaver <mhw@netris.org>
* src/mips/ffi.c: Fix handling of uint32_t arguments on the
MIPS N32 ABI.
2013-10-13 Sandra Loosemore <sandra@codesourcery.com> 2013-10-13 Sandra Loosemore <sandra@codesourcery.com>
* README: Add Nios II to table of supported platforms. * README: Add Nios II to table of supported platforms.

7
src/mips/ffi.c
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@@ -170,7 +170,14 @@ static void ffi_prep_args(char *stack,
break; break;
case FFI_TYPE_UINT32: case FFI_TYPE_UINT32:
#ifdef FFI_MIPS_N32
/* The N32 ABI requires that 32-bit integers
be sign-extended to 64-bits, regardless of
whether they are signed or unsigned. */
*(ffi_arg *)argp = *(SINT32 *)(* p_argv);
#else
*(ffi_arg *)argp = *(UINT32 *)(* p_argv); *(ffi_arg *)argp = *(UINT32 *)(* p_argv);
#endif
break; break;
/* This can only happen with 64bit slots. */ /* This can only happen with 64bit slots. */