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-rw-r--r--Build/source/extra/xz-4.999.9beta/src/liblzma/simple/sparc.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/Build/source/extra/xz-4.999.9beta/src/liblzma/simple/sparc.c b/Build/source/extra/xz-4.999.9beta/src/liblzma/simple/sparc.c
new file mode 100644
index 00000000000..808a59aaac7
--- /dev/null
+++ b/Build/source/extra/xz-4.999.9beta/src/liblzma/simple/sparc.c
@@ -0,0 +1,81 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file sparc.c
+/// \brief Filter for SPARC binaries
+///
+// Authors: Igor Pavlov
+// Lasse Collin
+//
+// This file has been put into the public domain.
+// You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include "simple_private.h"
+
+
+static size_t
+sparc_code(lzma_simple *simple lzma_attribute((unused)),
+ uint32_t now_pos, bool is_encoder,
+ uint8_t *buffer, size_t size)
+{
+ size_t i;
+ for (i = 0; i + 4 <= size; i += 4) {
+
+ if ((buffer[i] == 0x40 && (buffer[i + 1] & 0xC0) == 0x00)
+ || (buffer[i] == 0x7F
+ && (buffer[i + 1] & 0xC0) == 0xC0)) {
+
+ uint32_t src = ((uint32_t)buffer[i + 0] << 24)
+ | ((uint32_t)buffer[i + 1] << 16)
+ | ((uint32_t)buffer[i + 2] << 8)
+ | ((uint32_t)buffer[i + 3]);
+
+ src <<= 2;
+
+ uint32_t dest;
+ if (is_encoder)
+ dest = now_pos + (uint32_t)(i) + src;
+ else
+ dest = src - (now_pos + (uint32_t)(i));
+
+ dest >>= 2;
+
+ dest = (((0 - ((dest >> 22) & 1)) << 22) & 0x3FFFFFFF)
+ | (dest & 0x3FFFFF)
+ | 0x40000000;
+
+ buffer[i + 0] = (uint8_t)(dest >> 24);
+ buffer[i + 1] = (uint8_t)(dest >> 16);
+ buffer[i + 2] = (uint8_t)(dest >> 8);
+ buffer[i + 3] = (uint8_t)(dest);
+ }
+ }
+
+ return i;
+}
+
+
+static lzma_ret
+sparc_coder_init(lzma_next_coder *next, lzma_allocator *allocator,
+ const lzma_filter_info *filters, bool is_encoder)
+{
+ return lzma_simple_coder_init(next, allocator, filters,
+ &sparc_code, 0, 4, 4, is_encoder);
+}
+
+
+extern lzma_ret
+lzma_simple_sparc_encoder_init(lzma_next_coder *next,
+ lzma_allocator *allocator, const lzma_filter_info *filters)
+{
+ return sparc_coder_init(next, allocator, filters, true);
+}
+
+
+extern lzma_ret
+lzma_simple_sparc_decoder_init(lzma_next_coder *next,
+ lzma_allocator *allocator, const lzma_filter_info *filters)
+{
+ return sparc_coder_init(next, allocator, filters, false);
+}