new file mode 100644
@@ -0,0 +1,64 @@
+/* longjmp, Andes nds32 version.
+ Copyright (C) 1996-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/*
+ $r0 - $r5 are for paramter passing - no need to save.
+ $r6 - $r14 are callee saved - needs to save.
+ $r15 is temp register for assembler - no need to save.
+ $r16 - $r25 are caller saved - no need to save.
+ $r26 - $r27 are temp registers for OS - no need to save.
+ $r28 is $fp - need to save.
+ $r29 is $gp - need to save.
+ $r30 is $ra - need to save.
+ $r31 is $sp - need to save.
+ So we need to save $r6 - $r14 and $r28 - $r31.
+ The jmpbuf looks like this:
+ $r6
+ $r7
+ $r8
+ $r9
+ $r10
+ $r11
+ $r12
+ $r13
+ $r14
+ $fp
+ $gp
+ $ra
+ $sp
+ Reserved(For 8-byte align if needed)
+*/
+
+#include <sysdep.h>
+#define _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+ .section .text
+
+/* __longjmp (env[0].__jmpbuf, val ?: 1); */
+ENTRY(__longjmp)
+ /* Restore registers. */
+ lmw.bim $r6, [$r0], $r14, #0xf
+
+ /* Return error code. Make sure error code is not 0. */
+ bnez $r1, .Ldone
+ movi $r1, #1
+.Ldone:
+ addi $r0, $r1, #0
+ ret
+END(__longjmp)
new file mode 100644
@@ -0,0 +1 @@
+#include <sysdeps/x86_64/backtrace.c>
new file mode 100644
@@ -0,0 +1,27 @@
+/* Define __BYTE_ORDER. Andes nds32 version
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#if defined __NDS32_EB__
+# define __BYTE_ORDER __BIG_ENDIAN
+#else
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
new file mode 100644
@@ -0,0 +1,54 @@
+/* Machine-specific declarations for dynamic linker interface. Andes nds32 version.
+ Copyright (C) 2005-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _LINK_H
+# error "Never include <bits/link.h> directly; use <link.h> instead."
+#endif
+
+/* Registers for entry into PLT on NDS32. */
+typedef struct La_nds32_regs
+{
+ uint32_t lr_reg[6];
+ uint32_t lr_gp;
+ uint32_t lr_lp;
+ uint32_t lr_sp;
+} La_nds32_regs;
+
+/* Return values for calls from PLT on NDS32. */
+typedef struct La_nds32_retval
+{
+ uint32_t lrv_reg[2];
+} La_nds32_retval;
+
+__BEGIN_DECLS
+
+extern ElfW(Addr) la_nds32_gnu_pltenter (ElfW(Sym) *__sym, unsigned int __ndx,
+ uintptr_t *__refcook,
+ uintptr_t *__defcook,
+ La_nds32_regs *__regs,
+ unsigned int *__flags,
+ const char *__symname,
+ long int *__framesizep);
+extern unsigned int la_nds32_gnu_pltexit (ElfW(Sym) *__sym, unsigned int __ndx,
+ uintptr_t *__refcook,
+ uintptr_t *__defcook,
+ const La_nds32_regs *__inregs,
+ La_nds32_retval *__outregs,
+ const char *__symname);
+
+__END_DECLS
new file mode 100644
@@ -0,0 +1,37 @@
+/* Define the machine-dependent type `jmp_buf'. Andes nds32 version.
+ Copyright (C) 2003-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _BITS_SETJMP_H
+#define _BITS_SETJMP_H 1
+
+#if !defined _SETJMP_H && !defined _PTHREAD_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+
+typedef struct __jmp_buf_internal_tag
+ {
+ /* Callee-saved registers: $r6 - $r14, $fp, $gp, $lp, $sp: $r28 - $r31. */
+ int __regs[13];
+ } __jmp_buf[1] __attribute__((__aligned__ (8)));
+
+#endif
+
+#endif /* bits/setjmp.h */
new file mode 100644
@@ -0,0 +1 @@
+/* _setjmp is in setjmp.S. */
new file mode 100644
@@ -0,0 +1 @@
+/* setjmp is in setjmp.S. */
new file mode 100644
@@ -0,0 +1,21 @@
+/* Definition of object in frame unwind info. Andes nds32 version.
+ Copyright (C) 2001-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define FIRST_PSEUDO_REGISTER 34
+
+#include <sysdeps/generic/gccframe.h>
new file mode 100644
@@ -0,0 +1,34 @@
+/* Private macros for accessing __jmp_buf contents. Andes nds32 version.
+ Copyright (C) 2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define JB_R6 0
+#define JB_R7 1
+#define JB_R8 2
+#define JB_R9 3
+#define JB_R10 4
+#define JB_R11 5
+#define JB_R12 6
+#define JB_R13 7
+#define JB_R14 8
+#define JB_FP 9
+#define JB_GP 10
+#define JB_LP 11
+#define JB_SP 12
+
+#define JB_FRAME_ADDRESS(buf) \
+ ((void *)buf[0].__regs[JB_SP])
new file mode 100644
@@ -0,0 +1,47 @@
+/* Examine __jmp_buf for unwinding frames. Andes nds32 version.
+ Copyright (C) 2003-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <setjmp.h>
+#include <jmpbuf-offsets.h>
+#include <stdint.h>
+#include <unwind.h>
+#include <sysdep.h>
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
+ ((void *) (address) < &(jmpbuf)[0].__regs[JB_SP])
+
+#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
+ _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
+
+static inline uintptr_t __attribute__ ((unused))
+_jmpbuf_sp (__jmp_buf regs)
+{
+ uintptr_t sp = (uintptr_t) &(regs)[0].__regs[JB_SP];
+#ifdef PTR_DEMANGLE
+ PTR_DEMANGLE (sp);
+#endif
+ return sp;
+}
+
+#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
+ ((uintptr_t) (_address) - (_adj) < _jmpbuf_sp (_jmpbuf) - (_adj))
+
+/* We use the normal longjmp for unwinding. */
+#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
new file mode 100644
@@ -0,0 +1,26 @@
+/* Define nds32 link_map_machine
+ Copyright (C) 2018 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+struct link_map_machine
+ {
+ ElfW(Addr) plt; /* Address of .plt. */
+ ElfW(Addr) gotplt; /* Address of .got. */
+ void *tlsdesc_table;
+ };
+
new file mode 100644
@@ -0,0 +1,32 @@
+/* profiling support for Andes nds32 version
+ Copyright (C) 1996-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+
+static void __mcount_internal (u_long frompc, u_long selfpc) __attribute_used__;
+
+#define _MCOUNT_DECL(frompc, selfpc) \
+static void __mcount_internal (u_long frompc, u_long selfpc)
+
+
+#define MCOUNT \
+void _mcount (u_long frompc) \
+{ \
+ __mcount_internal (frompc, (u_long) RETURN_ADDRESS (0)); \
+}
+
new file mode 100644
@@ -0,0 +1,123 @@
+/* Memory copy, Andes nds32 version
+ Copyright (C) 2009-2018 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* void *memcpy(void *dst, const void *src, int n);
+
+ dst: $r0
+ src: $r1
+ n : $r2
+ ret: $r0 - pointer to the memory area dst. */
+
+
+#include <sysdep.h>
+ .text
+
+ENTRY(memcpy)
+ beq $r0, $r1, .Lquit_memcpy2
+ beqz $r2, .Lquit_memcpy2
+ move $r5, $r0
+ srli $r3, $r2, #5 /* Check if len < cache-line size 32. */
+ beqz $r3, .Lword_copy_entry
+ andi $r4, $r0, #0x3 /* Check byte-align. */
+ beqz $r4, .Lunalign_word_copy_entry
+
+ addi $r4, $r4,#-4
+ abs $r4, $r4 /* Check how many un-align byte to copy. */
+ sub $r2, $r2, $r4 /* Update $r2. */
+
+.Lunalign_byte_copy:
+ lbi.bi $r3, [$r1], #1
+ addi $r4, $r4, #-1
+ sbi.bi $r3, [$r0], #1
+ bnez $r4, .Lunalign_byte_copy
+ beqz $r2, .Lquit_memcpy
+
+.Lunalign_word_copy_entry:
+ andi $r3, $r0, 0x1f /* Check cache-line unaligncount. */
+ beqz $r3, .Lcache_copy
+
+ addi $r3, $r3, #-32
+ abs $r3, $r3
+ sub $r2, $r2, $r3 /* Update $r2. */
+
+.Lunalign_word_copy:
+ lmw.bim $r4, [$r1], $r4
+ addi $r3, $r3, #-4
+ smw.bim $r4, [$r0], $r4
+ bnez $r3, .Lunalign_word_copy
+ beqz $r2, .Lquit_memcpy
+
+ addi $r3, $r2, #-32 /* To check $r2 < cache_line, than go to .Lword_copy. */
+ bltz $r3, .Lword_copy_entry
+.Lcache_copy:
+ srli $r3, $r2, #5
+ beqz $r3, .Lword_copy_entry
+ pushm $r6, $r13
+ .cfi_adjust_cfa_offset 32
+ .cfi_rel_offset r6, 0
+ .cfi_rel_offset r7, 4
+ .cfi_rel_offset r8, 8
+ .cfi_rel_offset r9, 12
+ .cfi_rel_offset r10, 16
+ .cfi_rel_offset r11, 20
+ .cfi_rel_offset r12, 24
+ .cfi_rel_offset r13, 28
+3:
+ lmw.bim $r6, [$r1], $r13
+ addi $r3, $r3, #-1
+ smw.bim $r6, [$r0], $r13
+ bnez $r3, 3b
+ popm $r6, $r13
+ .cfi_adjust_cfa_offset -32
+ .cfi_restore r6
+ .cfi_restore r7
+ .cfi_restore r8
+ .cfi_restore r9
+ .cfi_restore r10
+ .cfi_restore r11
+ .cfi_restore r12
+ .cfi_restore r13
+
+.Lword_copy_entry:
+ andi $r2, $r2, #31
+
+ beqz $r2, .Lquit_memcpy
+ srli $r3, $r2, #2
+ beqz $r3, .Lbyte_copy
+.Lword_copy:
+ lmw.bim $r4, [$r1], $r4
+ addi $r3, $r3, #-1
+ smw.bim $r4, [$r0], $r4
+ bnez $r3, .Lword_copy
+ andi $r2, $r2, #3
+ beqz $r2, .Lquit_memcpy
+.Lbyte_copy:
+ lbi.bi $r3, [$r1], #1
+ addi $r2, $r2, #-1
+
+ sbi.bi $r3, [$r0], #1
+ bnez $r2, .Lbyte_copy
+.Lquit_memcpy:
+ move $r0, $r5
+.Lquit_memcpy2:
+ ret
+
+END(memcpy)
+libc_hidden_builtin_def (memcpy)
+
new file mode 100644
@@ -0,0 +1,59 @@
+/* Optimized version for Andes nds32.
+ Copyright (C) 2006-2018 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+
+/* void *memset(void *dst, int val, int len);
+
+ dst: $r0
+ val: $r1
+ len: $r2
+ ret: $r0 - pointer to the memory area dst. */
+
+ENTRY(memset)
+ move $r5, $r0 /* Return value. */
+ beqz $r2, .Lend_memset /* Exit when len = 0. */
+ srli $r3, $r2, 2 /* $r3 is how many words to copy. */
+ andi $r2, $r2, 3 /* How many bytes are less than a word. */
+ beqz $r3, .Lbyte_set /* When n is less than a word. */
+
+ /* set $r1 from ??????ab to abababab. */
+ andi $r1, $r1, 0x00ff /* $r1 = 000000ab. */
+ slli $r4, $r1, 8 /* $r4 = 0000ab00. */
+ or $r1, $r1, $r4 /* $r1 = 0000abab. */
+ slli $r4, $r1, 16 /* $r4 = abab0000. */
+ or $r1, $r1, $r4 /* $r1 = abababab. */
+
+.Lword_set:
+ addi $r3, $r3, -1 /* How many words left to copy. */
+ smw.bim $r1, [$r5], $r1 /* Copy the word to det. */
+ bnez $r3, .Lword_set /* Still words to set, continue looping. */
+ beqz $r2, .Lend_memset /* No left byte to set. */
+
+.Lbyte_set: /* Less than 4 bytes left to set. */
+ addi $r2, $r2, -1 /* Decrease len by 1. */
+ sbi.p $r1, [$r5], 1 /* Set data of the next byte to $r1. */
+ bnez $r2, .Lbyte_set /* Still bytes left to set. */
+
+.Lend_memset:
+ ret
+
+END(memset)
+libc_hidden_builtin_def (memset)
+
new file mode 100644
@@ -0,0 +1,21 @@
+/* Machine-specific definitions for memory usage profiling, Andes nds32 version.
+ Copyright (C) 2000-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define GETSP() ({ register uintptr_t stack_ptr asm ("$sp"); stack_ptr; })
+
+#include <sysdeps/generic/memusage.h>
new file mode 100644
@@ -0,0 +1,33 @@
+/* pthread machine parameter definitions, Andes nds32 version.
+ Copyright (C) 2011-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* Default stack size. */
+#define ARCH_STACK_DEFAULT_SIZE (2 * 1024 * 1024)
+
+/* Required stack pointer alignment at beginning. */
+#define STACK_ALIGN 16
+
+/* Minimal stack size after allocating thread descriptor and guard size. */
+#define MINIMAL_REST_STACK 2048
+
+/* Alignment requirement for TCB. */
+#define TCB_ALIGNMENT 16
+
+
+/* Location of current stack frame. */
+#define CURRENT_STACK_FRAME __builtin_frame_address (0)
new file mode 100644
@@ -0,0 +1,66 @@
+/* setjmp for Andes nds32.
+ Copyright (C) 1996-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+
+#include <sysdep.h>
+#define _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+ .section .text
+#ifdef PIC
+# define JMP_BY_R2(symbol) \
+ sethi $r3, hi20(symbol@PLT); \
+ ori $r3, $r3, lo12(symbol@PLT); \
+ add $r3, $r3, $r2; \
+ jr $r3
+# define TCALL_SIGJMP_SAVE \
+ GET_GTABLE ($r2); \
+ JMP_BY_R2 (__sigjmp_save)
+#else
+# define JMP_BY_R2(symbol) \
+ la $r15, C_SYMBOL_NAME(symbol); \
+ jr $r15
+# define TCALL_SIGJMP_SAVE \
+ JMP_BY_R2 (__sigjmp_save)
+#endif
+
+ENTRY(_setjmp)
+ move $r1, #0
+ /* Initialize $r2 as $gp value. */
+ GET_GTABLE ($r2)
+ /* Make a tail call to __sigsetjmp. */
+ JMP_BY_R2 (HIDDEN_JUMPTARGET (__sigsetjmp))
+END(_setjmp)
+ENTRY(setjmp)
+ move $r1, #1
+ /* Initialize $r2 as $gp value. */
+ GET_GTABLE ($r2)
+ /* Make a tail call to __sigsetjmp. */
+ JMP_BY_R2 (HIDDEN_JUMPTARGET (__sigsetjmp))
+END(setjmp)
+
+ENTRY(__sigsetjmp)
+ move $r2, $r0
+ /* Save callee-saved registers into buffer. */
+ smw.bim $r6, [$r2], $r14, #0xf
+ /* Make a tail call to __sigjmp_save. */
+ TCALL_SIGJMP_SAVE
+
+END(__sigsetjmp)
+hidden_def(__sigsetjmp)
+weak_alias (_setjmp, __GI__setjmp)
new file mode 100644
@@ -0,0 +1,50 @@
+/* Override generic sotruss-lib.c to define actual functions for Andes nds32.
+ Copyright (C) 2013-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define HAVE_ARCH_PLTENTER
+#define HAVE_ARCH_PLTEXIT
+
+#include <elf/sotruss-lib.c>
+
+
+ElfW(Addr)
+la_nds32_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
+ unsigned int ndx __attribute__ ((unused)),
+ uintptr_t *refcook, uintptr_t *defcook,
+ La_nds32_regs *regs, unsigned int *flags,
+ const char *symname, long int *framesizep)
+{
+ print_enter (refcook, defcook, symname,
+ regs->lr_reg[0], regs->lr_reg[1], regs->lr_reg[2],
+ *flags);
+
+ /* No need to copy anything, we will not need the parameters in any case. */
+ *framesizep = 0;
+
+ return sym->st_value;
+}
+
+unsigned int
+la_nds32_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
+ uintptr_t *defcook, const struct La_nds32_regs *inregs,
+ struct La_nds32_retval *outregs, const char *symname)
+{
+ print_exit (refcook, defcook, symname, outregs->lrv_reg[0]);
+
+ return 0;
+}
new file mode 100644
@@ -0,0 +1,32 @@
+/* Stack environment definitions for Andes nds32.
+ Copyright (C) 2011-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* This file contains a bit of information about the stack allocation
+ of the processor. */
+
+#ifndef _STACKINFO_H
+#define _STACKINFO_H 1
+
+#include <elf.h>
+
+#define _STACK_GROWS_DOWN 1
+
+/* Default to a non-executable stack. */
+#define DEFAULT_STACK_PERMS (PF_R|PF_W)
+
+#endif /* stackinfo.h */
new file mode 100644
@@ -0,0 +1,105 @@
+/* Optimized version for Andes nds32.
+ Copyright (C) 2015-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/*
+ Function:
+ strcmp - compare two strings.
+ Syntax:
+ int strcmp(const char *s1, const char *s2);
+ Description:
+ The strcmp function compares the string pointed to by s1 to the string
+ pointed to by s2.
+ Return value:
+ Return n integer greater than, equal to, or less than zero, accordingly
+ as the string pointed to by s1 is greater than, equal to, or less than
+ the string pointed to by s2.
+*/
+#include <sysdep.h>
+ .text
+
+ENTRY(strcmp)
+#if defined (__NDS32_EXT_STRING__)
+1:
+ lmwzb.bm $r2, [$r0], $r2, #0
+ lmwzb.bm $r3, [$r1], $r3, #0
+ ffzmism $r4, $r2, $r3
+ beqz $r4, 1b
+ lb $r2, [$r0+$r4]
+ lb $r3, [$r1+$r4]
+ sub $r0, $r2, $r3
+ ret $lp
+#else /* not (__NDS32_EXT_STRING__) */
+ /* If s1 or s2 are unaligned, then compare bytes. */
+ or $r5, $r1, $r0
+ andi $r5, $r5, #3
+ bnez $r5, .Lbyte_mode
+
+ /* If s1 and s2 are word-aligned, compare them a word at a time. */
+ lwi $r5, [$r0+(0)]
+ lwi $r3, [$r1+(0)]
+.off_16bit /* Dedicate 4-byte to eliminate NOP caused by ".align 2". */
+ bne $r5, $r3, .Lbyte_mode /* A difference was detected, so
+ search bytewise. */
+.restore_16bit
+
+
+ /* It's more efficient to set bit mask outside the word_mode loop. */
+ sethi $r4, hi20(0xFEFEFEFF) /* Set $r4 as -0x01010101. */
+ ori $r4, $r4, lo12(0xFEFEFEFF)
+ sethi $r2, hi20(0x80808080) /* Set $r2 as 0x80808080. */
+ ori $r2, $r2, lo12(0x80808080)
+
+.align 2
+.Lword_mode_loop:
+ /* #define DETECTNULL(X) (((X) - 0x01010101) & ~(X) & 0x80808080)
+ DETECTNULL returns nonzero if (long)X contains a NULL byte. */
+
+/* Force 32-bit instruction to gain better performance. */
+.off_16bit
+ nor $r3, $r5, $r5 /* $r3 = ~(X). */
+ add $r5, $r5, $r4 /* $r5 = ((X) - 0x01010101). */
+ and $r5, $r5, $r3 /* $r5 = ~(X) & ((X) - 0x01010101). */
+ and $r5, $r5, $r2 /* $r5= r5 & 0x80808080. */
+.restore_16bit
+
+ bnez $r5, .Lfound_null /* Branch if $r5 is nonzero. */
+ lmw.aim $r5, [$r0], $r5, 0
+ lmw.aim $r3, [$r1], $r3, 0
+ beq $r5, $r3, .Lword_mode_loop
+
+.align 2
+.Lbyte_mode:
+ /* Byte-mode compare. */
+ lbi.bi $r5, [$r0], #1
+ lbi.bi $r3, [$r1], #1
+ bne $r5, $r3, 1f /* Mismatch, done. */
+ bnez $r5, .Lbyte_mode
+1:
+ sub $r0, $r5, $r3
+ ret $lp
+
+.align 2
+.Lfound_null:
+ /* To get here, *a1 == *a2, thus if we find a null in *a1,
+ then the strings must be equal, so return zero. */
+ movi $r0, #0
+ ret $lp
+
+#endif /* not (__NDS32_EXT_STRING__) */
+END(strcmp)
+libc_hidden_builtin_def (strcmp)
new file mode 100644
@@ -0,0 +1,75 @@
+/* Optimized version for Andes nds32.
+ Copyright (C) 2013-2018 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* Function:
+ strcpy - copy a string.
+ Syntax:
+ char *strcpy(char *dest, const char *src);
+ Description:
+ This function copies the string pointed to by src into the array
+ point to by dest (include the teminating null character).
+ Return value:
+ strcpy returns the dest as given. */
+#include <sysdep.h>
+ .text
+
+ENTRY(strcpy)
+ move $r3, $r0 /* Keep $r0 as reture value. */
+#if defined (__NDS32_EXT_STRING__)
+1:
+ lmwzb.bm $r4, [$r1], $r4, #0
+ smwzb.bm $r4, [$r3], $r4, #0
+ ffzmism $r2, $r4, $r4
+ beqz $r2, 1b /* $r2 = 0, no zero byte exist. */
+ ret $lp
+
+#else /* not (__NDS32_EXT_STRING__) */
+ GET_GTABLE ($gp)
+ /* If SRC or DEST is unaligned, then copy bytes. */
+ or $r2, $r1, $r0
+ andi $r2, $r2, #3
+ bnez $r2, .Lbyte_mode
+
+.Lword_mode:
+ /* SRC and DEST are both "long int" aligned, try to do "long int"
+ sized copies. */
+ /* #define DETECTNULL(X) (((X) - 0x01010101) & ~(X) & 0x80808080)
+ DETECTNULL returns nonzero if (long)X contains a NULL byte. */
+ lwi $r2, [$r1+(0)] /* $r2 is X. */
+ sethi $r4, hi20(0xFEFEFEFF)
+ ori $r4, $r4, lo12(0xFEFEFEFF)
+ add $r4, $r2, $r4 /* $r4 = ((X) - 0x01010101). */
+ nor $r5, $r2, $r2 /* $r5 = ~(X). */
+ and $r4, $r5, $r4 /* $r4 = ~(X) & ((X) - 0x01010101). */
+ sethi $r5, hi20(0x80808080)
+ ori $r5, $r5, lo12(0x80808080)
+ and $r4, $r4, $r5 /* $r4 = $r4 & 0x80808080. */
+ bnez $r4, .Lbyte_mode /* Contains a NULL byte. */
+ swi.bi $r2, [$r3], #4
+ addi $r1, $r1, #4
+ b .Lword_mode
+
+.Lbyte_mode:
+ lbi.bi $r4, [$r1], #1 /* $r4 <- *src++. */
+ sbi.bi $r4, [$r3], #1 /* $r4 -> *dest++. */
+ bnez $r4, .Lbyte_mode
+ ret $lp
+#endif /* not (__NDS32_EXT_STRING__) */
+END(strcpy)
+libc_hidden_builtin_def (strcpy)
new file mode 100644
@@ -0,0 +1,70 @@
+/* Assembler macros for Andes nds32.
+ Copyright (C) 2015-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdeps/generic/sysdep.h>
+
+#ifdef __ASSEMBLER__
+
+/* Define an entry point visible from C. */
+# ifdef PIC
+# define ENTRY(name) \
+ .pic \
+ .align 2; \
+ .globl C_SYMBOL_NAME(name); \
+ .func C_SYMBOL_NAME(name); \
+ .type C_SYMBOL_NAME(name), @function; \
+ C_SYMBOL_NAME(name): \
+ cfi_startproc;
+# else
+# define ENTRY(name) \
+ .align 2; \
+ .globl C_SYMBOL_NAME(name); \
+ .func C_SYMBOL_NAME(name); \
+ .type C_SYMBOL_NAME(name), @function; \
+ C_SYMBOL_NAME(name): \
+ cfi_startproc;
+# endif
+
+
+# undef END
+# define END(name) \
+ cfi_endproc; \
+ .endfunc; \
+ .size C_SYMBOL_NAME(name), .-C_SYMBOL_NAME(name)
+
+/* If compiled for profiling, call `mcount' at the start of each function. */
+# ifdef HAVE_ELF
+# undef NO_UNDERSCORES
+# define NO_UNDERSCORES
+# endif
+
+# ifdef NO_UNDERSCORES
+# define syscall_error __syscall_error
+# endif
+
+
+# define GET_GTABLE(reg) \
+ sethi reg, hi20(_GLOBAL_OFFSET_TABLE_ - 8); \
+ ori reg, reg, lo12(_GLOBAL_OFFSET_TABLE_ - 4);\
+ add5.pc reg;
+
+
+
+#endif /* __ASSEMBLER__ */
+
+
new file mode 100644
@@ -0,0 +1,23 @@
+/* Definitions for testing PLT entry/exit auditing. Andes nds32 version.
+ Copyright (C) 2013-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define pltenter la_nds32_gnu_pltenter
+#define pltexit la_nds32_gnu_pltexit
+#define La_regs La_nds32_regs
+#define La_retval La_nds32_retval
+#define int_retval lrv_reg[0]
new file mode 100644
@@ -0,0 +1,26 @@
+/* jump buffer constants, Andes nds32.
+ Copyright (C) 2017-2018 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define JMP_BUF_SIZE 184
+#define SIGJMP_BUF_SIZE 184
+#define JMP_BUF_ALIGN 8
+#define SIGJMP_BUF_ALIGN 8
+#define MASK_WAS_SAVED_OFFSET 52
+#define SAVED_MASK_OFFSET 56
+
new file mode 100644
@@ -0,0 +1,19 @@
+# See scripts/check-localplt.awk for how this file is processed.
+# PLT use is required for the malloc family and for matherr because
+# users can define their own functions and have library internals call them.
+libc.so: calloc
+libc.so: free
+libc.so: malloc
+libc.so: memalign
+libc.so: realloc
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
+ld.so: malloc
+ld.so: calloc
+ld.so: realloc
+ld.so: free
+# The TLS-enabled version of these functions is interposed from libc.so.
+ld.so: _dl_signal_error
+ld.so: _dl_catch_error
+ld.so: _dl_signal_exception
+ld.so: _dl_catch_exception