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| author | Xavier ASUS <xavi92psx@gmail.com> | 2019-10-22 02:10:51 +0200 |
|---|---|---|
| committer | Xavier ASUS <xavi92psx@gmail.com> | 2019-10-22 02:10:51 +0200 |
| commit | 5a0c2910df62b99fee8baec1f4d846217cd9a054 (patch) | |
| tree | 583963809fe49cbb8b498f6621862589601ba53d /src/stm8 | |
| parent | 958912f9285175ff95bb0070bea603dd8aef8222 (diff) | |
| download | sdcc-gas-5a0c2910df62b99fee8baec1f4d846217cd9a054.tar.gz | |
First working example!
stm8/main.c: 0x8000 must contain the entry point aka "_start" for GNU as.
Some work on supporting debugging symbols with --gas. Not finished yet.
Diffstat (limited to 'src/stm8')
| -rw-r--r-- | src/stm8/gen.c | 9 | ||||
| -rw-r--r-- | src/stm8/main.c | 7 |
2 files changed, 11 insertions, 5 deletions
diff --git a/src/stm8/gen.c b/src/stm8/gen.c index ff195d9..80fd74e 100644 --- a/src/stm8/gen.c +++ b/src/stm8/gen.c @@ -2339,7 +2339,12 @@ void stm8_emitDebuggerSymbol (const char *debugSym) { G.debugLine = 1; - emit2 ("", "%s ==.", debugSym); + + if (options.gasOutput) + emit2 ("", "%s:", debugSym); + else + emit2 ("", "%s ==.", debugSym); + G.debugLine = 0; } @@ -3358,6 +3363,8 @@ genFunction (iCode *ic) emit2 (";", " function %s", sym->name); emit2 (";", "-----------------------------------------"); + /* Place each new function into its own section so GNU ld + * can perform dead code elimination via --gc-sections. */ if (options.function_sections && options.gasOutput) { char name[256]; diff --git a/src/stm8/main.c b/src/stm8/main.c index dbef2a8..b935f96 100644 --- a/src/stm8/main.c +++ b/src/stm8/main.c @@ -29,7 +29,6 @@ #include "gen.h" #include "dbuf_string.h" #include "peep.h" -#include "SDCCgas.h" #include "SDCCglobl.h" #define OPTION_MEDIUM_MODEL "--model-medium" @@ -277,7 +276,7 @@ stm8_genInitStartup (FILE *of) else { fprintf(of, - ".global _start\n" + "\t.global _start\n" "_start:\n" "\t; Zeroing .bss\n" "\tldw x, __bss_start\n" @@ -308,7 +307,8 @@ stm8_genIVT(struct dbuf_s * oBuf, symbol ** intTable, int intCount) int i; if (options.gasOutput) - dbuf_tprintf(oBuf, "\tint __interrupt_vect ; reset\n"); + /* Set entry point address. */ + dbuf_tprintf(oBuf, "\tint _start ; reset\n"); else dbuf_tprintf(oBuf, "\tint s_GSINIT ; reset\n"); @@ -441,7 +441,6 @@ PORT stm8_port = MODEL_MEDIUM | MODEL_LARGE, MODEL_MEDIUM, &get_model, /* model string used as library destination */ - gas_glue }, { /* Assembler */ stm8AsmCmd, |