mirror of
https://github.com/DarkMatterCore/nxdumptool.git
synced 2024-11-22 18:26:39 +00:00
Further improvements to the ProgramInfo XML generation code.
This commit is contained in:
Pablo Curiel
parent
7059bacfce
commit
84f651eae8
1 changed files with 112 additions and 126 deletions
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@ -27,15 +27,21 @@
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/* Global variables. */
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static const char *g_trueString = "True", *g_falseString = "False";
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static const char *g_nnSdkString = "NintendoSdk_nnSdk";
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static const char g_nnSdkString[] = "NintendoSdk_nnSdk";
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static const size_t g_nnSdkStringLength = (MAX_ELEMENTS(g_nnSdkString) - 1);
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/* Function prototypes. */
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static bool programInfoGetSdkVersionAndBuildTypeFromSdkNso(ProgramInfoContext *program_info_ctx, char **sdk_version, char **build_type);
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static bool programInfoAddStringFieldToAuthoringToolXml(char **xml_buf, u64 *xml_buf_size, const char *tag_name, const char *value);
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static bool programInfoAddNsoApiListToAuthoringToolXml(char **xml_buf, u64 *xml_buf_size, ProgramInfoContext *program_info_ctx, const char *api_list_tag, const char *api_entry_prefix, \
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const char *sdk_prefix);
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static bool programInfoIsApiInfoEntryValid(const char *sdk_prefix, size_t sdk_prefix_len, char *sdk_entry, char **sdk_entry_vender, int *sdk_entry_vender_len, char **sdk_entry_name, bool nnsdk);
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static bool programInfoAddStringFieldToAuthoringToolXml(char **xml_buf, u64 *xml_buf_size, const char *tag_name, const char *value);
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static bool programInfoAddNsoSymbolsToAuthoringToolXml(char **xml_buf, u64 *xml_buf_size, ProgramInfoContext *program_info_ctx);
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static bool programInfoIsElfSymbolValid(u8 *dynsym_ptr, char *dynstr_base_ptr, u64 dynstr_size, bool is_64bit, char **symbol_str);
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bool programInfoInitializeContext(ProgramInfoContext *out, NcaContext *nca_ctx)
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{
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@ -278,6 +284,9 @@ static bool programInfoGetSdkVersionAndBuildTypeFromSdkNso(ProgramInfoContext *p
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size_t sdk_entry_version_len = 0;
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bool success = true;
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/* Set output pointers to NULL beforehand just in case we have no usable nnSdk information. */
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*sdk_version = *build_type = NULL;
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/* Locate "sdk" NSO. */
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for(u32 i = 0; i < program_info_ctx->nso_count; i++)
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{
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@ -293,49 +302,32 @@ static bool programInfoGetSdkVersionAndBuildTypeFromSdkNso(ProgramInfoContext *p
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for(u64 i = 0; i < nso_ctx->rodata_api_info_section_size; i++)
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{
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sdk_entry = (nso_ctx->rodata_api_info_section + i);
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if (strncmp(sdk_entry, "SDK ", 4) != 0)
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{
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i += strlen(sdk_entry);
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sdk_entry = NULL;
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continue;
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}
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sdk_entry_vender = (strchr(sdk_entry, '+') + 1);
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sdk_entry_name = (strchr(sdk_entry_vender, '+') + 1);
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if (programInfoIsApiInfoEntryValid("SDK ", 4, sdk_entry, &sdk_entry_vender, NULL, &sdk_entry_name, true)) break;
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/* Check if we're dealing with a "nnSdk" entry. */
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if (strncmp(sdk_entry_name, g_nnSdkString, strlen(g_nnSdkString)) != 0)
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{
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i += strlen(sdk_entry);
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sdk_entry = sdk_entry_vender = sdk_entry_name = NULL;
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continue;
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}
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/* Jackpot. */
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break;
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i += strlen(sdk_entry);
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sdk_entry = sdk_entry_vender = sdk_entry_name = NULL;
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}
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/* Bail out if we couldn't find the "nnSdk" entry. */
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if (!sdk_entry) goto end;
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/* Get the SDK version and build type. */
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sdk_entry_version = (strchr(sdk_entry_name, '-') + 1);
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sdk_entry_build_type = (strchr(sdk_entry_version, '-') + 1);
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sdk_entry_version = strchr(sdk_entry_name, '-');
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if (!sdk_entry_version) goto end;
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sdk_entry_version++;
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sdk_entry_build_type = strchr(sdk_entry_version, '-');
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if (!sdk_entry_build_type) goto end;
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sdk_entry_build_type++;
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sdk_entry_version_len = (sdk_entry_build_type - sdk_entry_version - 1);
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/* Duplicate strings. */
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if (!(*sdk_version = strndup(sdk_entry_version, sdk_entry_version_len)) || !(*build_type = strdup(sdk_entry_build_type)))
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{
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LOGFILE("Failed to allocate memory for output strings!");
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success = false;
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}
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end:
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if (success)
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{
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/* Set output pointers to NULL if we have no usable nnSdk information. */
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if (!nso_ctx || !sdk_entry) *sdk_version = *build_type = NULL;
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} else {
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if (*sdk_version)
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{
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free(*sdk_version);
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@ -347,27 +339,20 @@ end:
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free(*build_type);
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*build_type = NULL;
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}
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success = false;
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}
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end:
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return success;
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}
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static bool programInfoAddStringFieldToAuthoringToolXml(char **xml_buf, u64 *xml_buf_size, const char *tag_name, const char *value)
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{
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if (!xml_buf || !xml_buf_size || !tag_name || !strlen(tag_name))
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{
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LOGFILE("Invalid parameters!");
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return false;
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}
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return ((value && strlen(value)) ? utilsAppendFormattedStringToBuffer(xml_buf, xml_buf_size, " <%s>%s</%s>\n", tag_name, value, tag_name) : \
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utilsAppendFormattedStringToBuffer(xml_buf, xml_buf_size, " <%s />\n", tag_name));
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}
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static bool programInfoAddNsoApiListToAuthoringToolXml(char **xml_buf, u64 *xml_buf_size, ProgramInfoContext *program_info_ctx, const char *api_list_tag, const char *api_entry_prefix, \
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const char *sdk_prefix)
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{
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size_t sdk_prefix_len = 0;
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int sdk_entry_vender_len = 0;
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char *sdk_entry = NULL, *sdk_entry_vender = NULL, *sdk_entry_name = NULL;
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bool success = false, api_list_exists = false;
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if (!xml_buf || !xml_buf_size || !program_info_ctx || !program_info_ctx->nso_count || !program_info_ctx->nso_ctx || !api_list_tag || !strlen(api_list_tag) || !api_entry_prefix || \
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@ -385,26 +370,15 @@ static bool programInfoAddNsoApiListToAuthoringToolXml(char **xml_buf, u64 *xml_
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for(u64 j = 0; j < nso_ctx->rodata_api_info_section_size; j++)
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{
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char *sdk_entry = (nso_ctx->rodata_api_info_section + j);
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if (strncmp(sdk_entry, sdk_prefix, sdk_prefix_len) != 0)
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sdk_entry = (nso_ctx->rodata_api_info_section + j);
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if (programInfoIsApiInfoEntryValid(sdk_prefix, sdk_prefix_len, sdk_entry, &sdk_entry_vender, NULL, &sdk_entry_name, false))
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{
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j += strlen(sdk_entry);
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continue;
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api_list_exists = true;
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break;
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}
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char *sdk_entry_vender = (strchr(sdk_entry, '+') + 1);
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char *sdk_entry_name = (strchr(sdk_entry_vender, '+') + 1);
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/* Filter "nnSdk" entries. */
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if (!strncmp(sdk_entry_name, g_nnSdkString, strlen(g_nnSdkString)))
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{
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j += strlen(sdk_entry);
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continue;
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}
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/* Jackpot. */
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api_list_exists = true;
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break;
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j += strlen(sdk_entry);
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}
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if (api_list_exists) break;
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@ -427,36 +401,23 @@ static bool programInfoAddNsoApiListToAuthoringToolXml(char **xml_buf, u64 *xml_
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for(u64 j = 0; j < nso_ctx->rodata_api_info_section_size; j++)
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{
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char *sdk_entry = (nso_ctx->rodata_api_info_section + j);
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if (strncmp(sdk_entry, sdk_prefix, sdk_prefix_len) != 0)
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sdk_entry = (nso_ctx->rodata_api_info_section + j);
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if (programInfoIsApiInfoEntryValid(sdk_prefix, sdk_prefix_len, sdk_entry, &sdk_entry_vender, &sdk_entry_vender_len, &sdk_entry_name, false))
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{
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j += strlen(sdk_entry);
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continue;
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if (!utilsAppendFormattedStringToBuffer(xml_buf, xml_buf_size, \
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" <%s>\n" \
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" <%sName>%s</%sName>\n" \
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" <VenderName>%.*s</VenderName>\n" \
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" <NsoName>%s</NsoName>\n" \
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" </%s>\n", \
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api_list_tag, \
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api_entry_prefix, sdk_entry_name, api_entry_prefix, \
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sdk_entry_vender_len, sdk_entry_vender, \
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nso_ctx->nso_filename, \
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api_list_tag)) goto end;
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}
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char *sdk_entry_vender = (strchr(sdk_entry, '+') + 1);
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char *sdk_entry_name = (strchr(sdk_entry_vender, '+') + 1);
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/* Filter "nnSdk" entries. */
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if (!strncmp(sdk_entry_name, g_nnSdkString, strlen(g_nnSdkString)))
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{
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j += strlen(sdk_entry);
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continue;
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}
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if (!utilsAppendFormattedStringToBuffer(xml_buf, xml_buf_size, \
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" <%s>\n" \
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" <%sName>%s</%sName>\n" \
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" <VenderName>%.*s</VenderName>\n" \
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" <NsoName>%s</NsoName>\n" \
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" </%s>\n", \
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api_list_tag, \
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api_entry_prefix, sdk_entry_name, api_entry_prefix, \
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(int)(sdk_entry_name - sdk_entry_vender - 1), sdk_entry_vender, \
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nso_ctx->nso_filename, \
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api_list_tag)) goto end;
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/* Update counter. */
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j += strlen(sdk_entry);
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}
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}
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@ -467,6 +428,38 @@ end:
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return success;
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}
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static bool programInfoIsApiInfoEntryValid(const char *sdk_prefix, size_t sdk_prefix_len, char *sdk_entry, char **sdk_entry_vender, int *sdk_entry_vender_len, char **sdk_entry_name, bool nnsdk)
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{
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if (!sdk_prefix || !sdk_prefix_len || !sdk_entry || !sdk_entry_vender || !sdk_entry_name || strncmp(sdk_entry, sdk_prefix, sdk_prefix_len) != 0) return false;
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*sdk_entry_vender = strchr(sdk_entry, '+');
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if (!*sdk_entry_vender) return false;
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(*sdk_entry_vender)++;
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*sdk_entry_name = strchr(*sdk_entry_vender, '+');
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if (!*sdk_entry_name) return false;
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(*sdk_entry_name)++;
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if (sdk_entry_vender_len) *sdk_entry_vender_len = (*sdk_entry_name - *sdk_entry_vender - 1);
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int res = strncmp(*sdk_entry_name, g_nnSdkString, g_nnSdkStringLength);
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if ((nnsdk && res != 0) || (!nnsdk && res == 0)) return false;
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return true;
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}
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static bool programInfoAddStringFieldToAuthoringToolXml(char **xml_buf, u64 *xml_buf_size, const char *tag_name, const char *value)
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{
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if (!xml_buf || !xml_buf_size || !tag_name || !strlen(tag_name))
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{
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LOGFILE("Invalid parameters!");
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return false;
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}
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return ((value && strlen(value)) ? utilsAppendFormattedStringToBuffer(xml_buf, xml_buf_size, " <%s>%s</%s>\n", tag_name, value, tag_name) : \
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utilsAppendFormattedStringToBuffer(xml_buf, xml_buf_size, " <%s />\n", tag_name));
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}
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static bool programInfoAddNsoSymbolsToAuthoringToolXml(char **xml_buf, u64 *xml_buf_size, ProgramInfoContext *program_info_ctx)
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{
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if (!xml_buf || !xml_buf_size || !program_info_ctx || !program_info_ctx->npdm_ctx.meta_header || !program_info_ctx->nso_count || !program_info_ctx->nso_ctx)
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@ -476,9 +469,10 @@ static bool programInfoAddNsoSymbolsToAuthoringToolXml(char **xml_buf, u64 *xml_
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}
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NsoContext *nso_ctx = NULL;
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bool is_64bit = (program_info_ctx->npdm_ctx.meta_header->flags.is_64bit_instruction == 1);
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bool success = false, symbols_exist = false, is_64bit = (program_info_ctx->npdm_ctx.meta_header->flags.is_64bit_instruction == 1);
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char *symbol_str = NULL;
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u64 symbol_size = (!is_64bit ? sizeof(Elf32Symbol) : sizeof(Elf64Symbol));
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bool success = false, symbols_exist = false;
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/* Locate "main" NSO. */
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for(u32 i = 0; i < program_info_ctx->nso_count; i++)
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@ -497,23 +491,11 @@ static bool programInfoAddNsoSymbolsToAuthoringToolXml(char **xml_buf, u64 *xml_
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{
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if ((nso_ctx->rodata_dynsym_section_size - i) < symbol_size) break;
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u8 st_type = 0;
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/* To do: change ELF symbol filters? */
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if (!is_64bit)
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if (programInfoIsElfSymbolValid(nso_ctx->rodata_dynsym_section + i, nso_ctx->rodata_dynstr_section, nso_ctx->rodata_dynstr_section_size, is_64bit, NULL))
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{
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/* Parse 32-bit ELF symbol. */
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Elf32Symbol *elf32_symbol = (Elf32Symbol*)(nso_ctx->rodata_dynsym_section + i);
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st_type = ELF_ST_TYPE(elf32_symbol->st_info);
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symbols_exist = (elf32_symbol->st_name < nso_ctx->rodata_dynstr_section_size && (st_type == STT_NOTYPE || st_type == STT_FUNC) && elf32_symbol->st_shndx == SHN_UNDEF);
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} else {
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/* Parse 64-bit ELF symbol. */
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Elf64Symbol *elf64_symbol = (Elf64Symbol*)(nso_ctx->rodata_dynsym_section + i);
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st_type = ELF_ST_TYPE(elf64_symbol->st_info);
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symbols_exist = (elf64_symbol->st_name < nso_ctx->rodata_dynstr_section_size && (st_type == STT_NOTYPE || st_type == STT_FUNC) && elf64_symbol->st_shndx == SHN_UNDEF);
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symbols_exist = true;
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break;
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}
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if (symbols_exist) break;
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}
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/* Bail out if we couldn't find any valid symbols. */
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@ -526,28 +508,7 @@ static bool programInfoAddNsoSymbolsToAuthoringToolXml(char **xml_buf, u64 *xml_
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{
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if ((nso_ctx->rodata_dynsym_section_size - i) < symbol_size) break;
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char *symbol_str = NULL;
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u8 st_type = 0;
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/* To do: change ELF symbol filters? */
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if (!is_64bit)
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{
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/* Parse 32-bit ELF symbol. */
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Elf32Symbol *elf32_symbol = (Elf32Symbol*)(nso_ctx->rodata_dynsym_section + i);
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st_type = ELF_ST_TYPE(elf32_symbol->st_info);
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symbol_str = ((elf32_symbol->st_name < nso_ctx->rodata_dynstr_section_size && (st_type == STT_NOTYPE || st_type == STT_FUNC) && elf32_symbol->st_shndx == SHN_UNDEF) ? \
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(nso_ctx->rodata_dynstr_section + elf32_symbol->st_name) : NULL);
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} else {
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/* Parse 64-bit ELF symbol. */
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Elf64Symbol *elf64_symbol = (Elf64Symbol*)(nso_ctx->rodata_dynsym_section + i);
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st_type = ELF_ST_TYPE(elf64_symbol->st_info);
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symbol_str = ((elf64_symbol->st_name < nso_ctx->rodata_dynstr_section_size && (st_type == STT_NOTYPE || st_type == STT_FUNC) && elf64_symbol->st_shndx == SHN_UNDEF) ? \
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(nso_ctx->rodata_dynstr_section + elf64_symbol->st_name) : NULL);
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}
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if (!symbol_str) continue;
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if (!programInfoIsElfSymbolValid(nso_ctx->rodata_dynsym_section + i, nso_ctx->rodata_dynstr_section, nso_ctx->rodata_dynstr_section_size, is_64bit, &symbol_str)) continue;
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if (!utilsAppendFormattedStringToBuffer(xml_buf, xml_buf_size, \
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" <UnresolvedApi>\n" \
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@ -566,3 +527,28 @@ end:
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return success;
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}
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static bool programInfoIsElfSymbolValid(u8 *dynsym_ptr, char *dynstr_base_ptr, u64 dynstr_size, bool is_64bit, char **symbol_str)
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{
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if (!dynsym_ptr || !dynstr_base_ptr || !dynstr_size) return false;
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u8 st_type = 0;
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bool is_valid = false;
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if (!is_64bit)
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{
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/* Parse 32-bit ELF symbol. */
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Elf32Symbol *elf32_symbol = (Elf32Symbol*)dynsym_ptr;
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st_type = ELF_ST_TYPE(elf32_symbol->st_info);
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is_valid = (elf32_symbol->st_name < dynstr_size && (st_type == STT_NOTYPE || st_type == STT_FUNC) && elf32_symbol->st_shndx == SHN_UNDEF);
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if (is_valid && symbol_str) *symbol_str = (dynstr_base_ptr + elf32_symbol->st_name);
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} else {
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/* Parse 64-bit ELF symbol. */
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Elf64Symbol *elf64_symbol = (Elf64Symbol*)dynsym_ptr;
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st_type = ELF_ST_TYPE(elf64_symbol->st_info);
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is_valid = (elf64_symbol->st_name < dynstr_size && (st_type == STT_NOTYPE || st_type == STT_FUNC) && elf64_symbol->st_shndx == SHN_UNDEF);
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if (is_valid && symbol_str) *symbol_str = (dynstr_base_ptr + elf64_symbol->st_name);
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}
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return is_valid;
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}
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