1602fcea18
* gnu/packages/patches/libffi-mips-n32-fix.patch: New file. * gnu/packages/libffi.scm (libffi): Add patch. * gnu-system.am (dist_patch_DATA): Add patch.
22 lines
630 B
Diff
22 lines
630 B
Diff
Fix handling of uint32_t arguments on the MIPS N32 ABI.
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Patch by Mark H Weaver <mhw@netris.org>.
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--- libffi/src/mips/ffi.c.orig 2013-03-16 07:19:39.000000000 -0400
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+++ libffi/src/mips/ffi.c 2013-10-22 01:11:03.111985247 -0400
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@@ -170,7 +170,14 @@
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break;
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case FFI_TYPE_UINT32:
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+#ifdef FFI_MIPS_N32
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+ /* The N32 ABI requires that 32-bit integers
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+ be sign-extended to 64-bits, regardless of
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+ whether they are signed or unsigned. */
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+ *(ffi_arg *)argp = *(SINT32 *)(* p_argv);
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+#else
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*(ffi_arg *)argp = *(UINT32 *)(* p_argv);
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+#endif
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break;
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/* This can only happen with 64bit slots. */
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