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@@ -29,6 +29,9 @@
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.text
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.text
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LEAF (clone)
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LEAF (clone)
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+ /* Align stack to a 128-bit boundary as per RISC-V ABI. */
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+ andi a1,a1,ALMASK
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+
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/* Sanity check arguments. */
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/* Sanity check arguments. */
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beqz a0,L (invalid) /* No NULL function pointers. */
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beqz a0,L (invalid) /* No NULL function pointers. */
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beqz a1,L (invalid) /* No NULL stack pointers. */
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beqz a1,L (invalid) /* No NULL stack pointers. */
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@@ -57,7 +60,7 @@ L (invalid):
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li a0, -EINVAL
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li a0, -EINVAL
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/* Something bad happened -- no child created. */
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/* Something bad happened -- no child created. */
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L (error):
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L (error):
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- j __syscall_error
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+ tail __syscall_error
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END (clone)
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END (clone)
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/* Load up the arguments to the function. Put this block of code in
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/* Load up the arguments to the function. Put this block of code in
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@@ -66,6 +69,9 @@ L (error):
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ENTRY (__thread_start)
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ENTRY (__thread_start)
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L (thread_start):
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L (thread_start):
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+ .cfi_label .Ldummy
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+ cfi_undefined (ra)
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+
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/* Restore the arg for user's function. */
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/* Restore the arg for user's function. */
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REG_L a1,0(sp) /* Function pointer. */
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REG_L a1,0(sp) /* Function pointer. */
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REG_L a0,SZREG(sp) /* Argument pointer. */
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REG_L a0,SZREG(sp) /* Argument pointer. */
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Waldemar Brodkorb