ref: 362aea22bdf6b8bb08ef032f96c030f3ddb6d597
dir: /src/link/library.c/
#include <stdio.h> #include <stdlib.h> #include <string.h> #include "extern/err.h" #include "types.h" #include "link/mylink.h" #include "link/main.h" static BBOOL symboldefined(char *name) { struct sSection *pSect; pSect = pSections; while (pSect) { int i; for (i = 0; i < pSect->nNumberOfSymbols; i += 1) { if ((pSect->tSymbols[i]->Type == SYM_EXPORT) || ((pSect->tSymbols[i]->Type == SYM_LOCAL) && (pSect == pSect->tSymbols[i]->pSection))) { if (strcmp(pSect->tSymbols[i]->pzName, name) == 0) return (1); } } pSect = pSect->pNext; } return (0); } static BBOOL addmodulecontaining(char *name) { struct sSection **ppLSect; ppLSect = &pLibSections; while (*ppLSect) { int i; for (i = 0; i < (*ppLSect)->nNumberOfSymbols; i += 1) { if (((*ppLSect)->tSymbols[i]->Type == SYM_EXPORT) || (((*ppLSect)->tSymbols[i]->Type == SYM_LOCAL) && ((*ppLSect) == (*ppLSect)->tSymbols[i]->pSection))) { if (strcmp ((*ppLSect)->tSymbols[i]->pzName, name) == 0) { struct sSection **ppSect; ppSect = &pSections; while (*ppSect) ppSect = &((*ppSect)->pNext); *ppSect = *ppLSect; *ppLSect = (*ppLSect)->pNext; (*ppSect)->pNext = NULL; return (1); } } } ppLSect = &((*ppLSect)->pNext); } return (0); } void AddNeededModules(void) { struct sSection *pSect; if ((options & OPT_SMART_C_LINK) == 0) { struct sSection **ppLSect; ppLSect = &pLibSections; while (*ppLSect) { struct sSection **ppSect; ppSect = &pSections; while (*ppSect) ppSect = &((*ppSect)->pNext); *ppSect = *ppLSect; *ppLSect = (*ppLSect)->pNext; (*ppSect)->pNext = NULL; /* ppLSect=&((*ppLSect)->pNext); */ } return; } if (options & OPT_SMART_C_LINK) { if (!addmodulecontaining(smartlinkstartsymbol)) { errx(1, "Can't find start symbol '%s'", smartlinkstartsymbol); } else printf("Smart linking with symbol '%s'\n", smartlinkstartsymbol); } pSect = pSections; while (pSect) { int i; for (i = 0; i < pSect->nNumberOfSymbols; i += 1) { if ((pSect->tSymbols[i]->Type == SYM_IMPORT) || (pSect->tSymbols[i]->Type == SYM_LOCAL)) { if (!symboldefined(pSect->tSymbols[i]->pzName)) { addmodulecontaining(pSect->tSymbols[i]-> pzName); } } } pSect = pSect->pNext; } }