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| author | Xavier ASUS <xavi92psx@gmail.com> | 2019-10-18 00:31:54 +0200 |
|---|---|---|
| committer | Xavier ASUS <xavi92psx@gmail.com> | 2019-10-18 00:31:54 +0200 |
| commit | 268a53de823a6750d6256ee1fb1e7707b4b45740 (patch) | |
| tree | 42c1799a9a82b2f7d9790ee9fe181d72a7274751 /device/lib/stm8/_strncpy.asm | |
| download | sdcc-gas-268a53de823a6750d6256ee1fb1e7707b4b45740.tar.gz | |
sdcc-3.9.0 fork implementing GNU assembler syntax
This fork aims to provide better support for stm8-binutils
Diffstat (limited to 'device/lib/stm8/_strncpy.asm')
| -rw-r--r-- | device/lib/stm8/_strncpy.asm | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/device/lib/stm8/_strncpy.asm b/device/lib/stm8/_strncpy.asm new file mode 100644 index 0000000..a7119c1 --- /dev/null +++ b/device/lib/stm8/_strncpy.asm @@ -0,0 +1,104 @@ +;-------------------------------------------------------- +; File Created by SDCC : free open source ANSI-C Compiler +; Version 3.9.3 #11345 (Linux) +;-------------------------------------------------------- + .module _strncpy + .optsdcc -mstm8 + +;-------------------------------------------------------- +; Public variables in this module +;-------------------------------------------------------- + .globl _strncpy +;-------------------------------------------------------- +; ram data +;-------------------------------------------------------- + .area DATA +;-------------------------------------------------------- +; ram data +;-------------------------------------------------------- + .area INITIALIZED +;-------------------------------------------------------- +; absolute external ram data +;-------------------------------------------------------- + .area DABS (ABS) + +; default segment ordering for linker + .area HOME + .area GSINIT + .area GSFINAL + .area CONST + .area INITIALIZER + .area CODE + +;-------------------------------------------------------- +; global & static initialisations +;-------------------------------------------------------- + .area HOME + .area GSINIT + .area GSFINAL + .area GSINIT +;-------------------------------------------------------- +; Home +;-------------------------------------------------------- + .area HOME + .area HOME +;-------------------------------------------------------- +; code +;-------------------------------------------------------- + .area CODE +; ../_strncpy.c: 33: char *strncpy ( char * d, const char * s, size_t n ) +; ----------------------------------------- +; function strncpy +; ----------------------------------------- +_strncpy: + sub sp, #6 +; ../_strncpy.c: 35: register char * d1 = d; + ldw y, (0x09, sp) + ldw (0x01, sp), y +; ../_strncpy.c: 37: while ( n && *s ) + ldw y, (0x0d, sp) + ldw (0x05, sp), y + ldw y, (0x0b, sp) + ldw (0x03, sp), y + ldw x, (0x01, sp) +00102$: + ldw y, (0x05, sp) + jreq 00114$ + ldw y, (0x03, sp) + ld a, (y) + jreq 00114$ +; ../_strncpy.c: 39: n-- ; + ldw y, (0x05, sp) + decw y + ldw (0x05, sp), y +; ../_strncpy.c: 40: *d++ = *s++ ; + ldw y, (0x03, sp) + incw y + ldw (0x03, sp), y + ld (x), a + incw x + jra 00102$ +; ../_strncpy.c: 42: while ( n-- ) +00114$: +00105$: + ldw y, (0x05, sp) + ldw (0x03, sp), y + ldw y, (0x05, sp) + decw y + ldw (0x05, sp), y + ldw y, (0x03, sp) + jreq 00107$ +; ../_strncpy.c: 44: *d++ = '\0' ; + clr (x) + incw x + jra 00105$ +00107$: +; ../_strncpy.c: 46: return d1; + ldw x, (0x01, sp) +; ../_strncpy.c: 47: } + addw sp, #6 + ret + .area CODE + .area CONST + .area INITIALIZER + .area CABS (ABS) |