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changeset 86:033a328a10ae
Checkpoint: object target output
| author | lost |
|---|---|
| date | Fri, 16 Jan 2009 05:33:40 +0000 |
| parents | 918be0c02239 |
| children | 41ff4686b46b |
| files | src/lwasm.h src/output.c src/pseudo.c |
| diffstat | 3 files changed, 20 insertions(+), 2 deletions(-) [+] |
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--- a/src/lwasm.h Fri Jan 16 05:14:49 2009 +0000 +++ b/src/lwasm.h Fri Jan 16 05:33:40 2009 +0000 @@ -33,6 +33,14 @@ #define OUTPUT_RAWREL 3 // raw bytes where ORG causes a SEEK in the file // structure for tracking sections +typedef struct section_reloc_list_s section_reloc_list_t; +struct section_reloc_list_s +{ + int offset; // offset into section + lwasm_expr_stack_t *expr; // value definition + section_reloc_list_t *next; // next relocation +}; + #define SECTION_BSS 1 // the section contains no actual code - just uninit vars typedef struct sectiontab_s sectiontab_t; struct sectiontab_s @@ -41,9 +49,11 @@ int offset; // current offset in the section int flags; // section flags sectiontab_t *next; // next section + // the following are used during code output unsigned char *obytes; // output bytes int oblen; // how many bytes output so far? int obsize; // how big is output buffer so far? + section_reloc_list_t *rl; // relocation list }; // structure for tracking macros
--- a/src/output.c Fri Jan 16 05:14:49 2009 +0000 +++ b/src/output.c Fri Jan 16 05:33:40 2009 +0000 @@ -241,7 +241,15 @@ // relocation table if (l -> relocoff >= 0) { - + section_reloc_list_t *re; + + // build the relocation reference for the linker + re = lwasm_alloc(sizeof(section_reloc_list_t)); + re -> next = l -> sect -> rl; + l -> sect -> rl = re; + + re -> offset = l -> codeaddr + l -> relocoff; + re -> expr = l -> exprs[0]; } } }